Commit Graph

11769 Commits

Author SHA1 Message Date
Len Brown 653351b0b9 Pull bugzilla-5966 into release branch 2007-03-09 23:18:05 -05:00
Len Brown c207908fcc Pull altix into release branch 2007-03-09 23:17:39 -05:00
Arnd Bergmann c886c2bf80 [POWERPC] update cell_defconfig
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2007-03-10 00:07:52 +01:00
Geert Uytterhoeven ef596c697a [POWERPC] ps3: always make sure were running on a PS3
Add missing checks to PS3 specific drivers ps3av and sys-manager to verify that
we are actually running on a PS3 (pointed out by Arnd).

Correct existing checks in other subsystems/drivers to return -ENODEV instead
of zero.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2007-03-10 00:07:51 +01:00
Benjamin Herrenschmidt 94b2a4393c [POWERPC] Fix spu SLB invalidations
The SPU code doesn't properly invalidate SPUs SLBs when necessary,
for example when changing a segment size from the hugetlbfs code. In
addition, it saves and restores the SLB content on context switches
which makes it harder to properly handle those invalidations.

This patch removes the saving & restoring for now, something more
efficient might be found later on. It also adds a spu_flush_all_slbs(mm)
that can be used by the core mm code to flush the SLBs of all SPEs that
are running a given mm at the time of the flush.

In order to do that, it adds a spinlock to the list of all SPEs and move
some bits & pieces from spufs to spu_base.c

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2007-03-10 00:07:50 +01:00
Christoph Hellwig 50b520d4ef [POWERPC] avoid SPU_ACTIVATE_NOWAKE optimization
This optimization was added recently but is still buggy,
so back it out for now.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2007-03-10 00:07:49 +01:00
Arnd Bergmann aa0ed2bdb6 [POWERPC] spufs: fix possible memory corruption is spufs_mem_write
Due to a buggy unsigned comparison, it was possible to write
beyond the end of the local store file in spufs under some
circumstances.

This rewrites the buggy function to look more like
simple_copy_from_buffer.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Cc: Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2007-03-10 00:07:48 +01:00
Linus Torvalds a967e127d0 Merge branch 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] 85xx: Enable CONFIG_SERIAL_8250_SHARE_IRQ
  [POWERPC] Select u-image as default image for Linkstation
  [POWERPC] 83xx: Minor fixes for 834x_mds USB setup code
  [POWERPC] Fix warning in powermac pci.c
  [POWERPC] Fix warning in powermac feature.c
  [POWERPC] Fix warning in prom_parse.c of_irq_map_oldworld()
  [POWERPC] Celleb: bug fix caused by not casting pointer types
  [POWERPC] Add missing newline in xmon help output
  [POWERPC] No DEEPNAP on 970MP 1.0
2007-03-09 14:22:35 -08:00
Ralf Baechle bb9b813bb6 [MIPS] Sibyte: Fix ZBbus profiler
o Fix build error.
 o Handle error returns.
 o Deal with signals received while sleeping.
 o Don't allow to be selected when we're not building the directory with
   the driver anyway.
 o Coding style cleanups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-09 20:27:31 +00:00
Ralf Baechle ca6f5494f5 [MIPS] Sibyte: Do not allow enabling LDT support if PCI is disabled.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-09 20:27:30 +00:00
Linus Torvalds 30fbc9f77c Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] DEC: Remove call to register_prom_console.
2007-03-09 10:38:09 -08:00
Ralf Baechle 8960909ca7 [MIPS] DEC: Remove call to register_prom_console.
Register_prom_console was removed when mips was converted to early printk.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-09 12:14:52 +00:00
Dave Jones d0035aef39 [PATCH] build fix for i386 earlyquirk.c
missing close bracket.

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 22:39:23 -08:00
Len Brown fe69933652 [PATCH] ACPI: repair nvidia early quirk breakage on x86_64
x86_64 nvidia_bugs() broke when we bailed out on not finding the HPET.
However, the quirk works by checking for _not_ finding the HPET...

Delete the nvidia_hpet_detected flag and simply test for
not finding the HPET, which is simple to do now that
acpi_table_parse returns 1 on failure.

Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 16:06:07 -08:00
Tony Luck e3a696e03c [IA64] refresh config files
Bring defconfig, tiger_defconfig and zx1_defconfig up to date. Also
sprinkle KEXEC and KDUMP combinations around liberally so that my
usual regression test builds will see all combinations:

 tiger_defconfig gets KEXEC=y, CRASH_DUMP=n
 zx1_defconfig   gets KEXEC=n, CRASH_DUMP=y
 defconfig       gets KEXEC=y, CRASH_DUMP=y
 others remain at     KEXEC=n, CRASH_DUMP=n

Signed-off-by: Tony Luck <tomy.luck@intel.com>
2007-03-08 11:20:17 -08:00
Horms 2a3a2827c7 [IA64] put kdump_find_rsvd_region in __init
kdump_find_rsvd_region() is only called by
reserve_memory() which is in __init, so it seems that
kdump_find_rsvd_region() should also be in there.

Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-08 10:29:58 -08:00
Akiyama, Nobuyuki 8e43d75ad0 [IA64] add missing syscall trace clear
The ptrace misses clearing the syscall trace flag.
The increased syscall overhead is retained after the trace is finished.
This case happens when strace is terminated by force.

Signed-off-by: Akiyama, Nobuyuki <akiyama.nobuyuk@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-08 10:27:24 -08:00
Simon Horman 0ac1faca4a [IA64] Cleanup in crash.c
Grammatical fixes (s/freezed/frozen/)
Make some variables static
Change a C++ "//" comment to "/* ... */"

Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-08 10:25:06 -08:00
Russ Anderson 396e8e76c5 [IA64] Cache error recovery
Similar to memory error recovery, when a cache error is consumed
by a user process terminate the user instead of crashing the system.

Signed-off-by: Russ Anderson (rja@sgi.com)
Acked-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-08 09:44:45 -08:00
Russ Anderson 618b206f0b [IA64] Proper handling of TLB errors from duplicate itr.d dropins
Jack Steiner noticed that duplicate TLB DTC entries do not cause a
linux panic.  See discussion:

http://www.gelato.unsw.edu.au/archives/linux-ia64/0307/6108.html

The current TLB recovery code is recovering from the duplicate itr.d
dropins, masking the underlying problem.  This change modifies
the MCA recovery code to look for the TLB check signature of the
duplicate TLB entry and panic in that case.

Signed-off-by: Russ Anderson (rja@sgi.com)
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-08 09:41:46 -08:00
Jeff Dike 44f5c4ced6 [PATCH] uml: arch_prctl should set thread fs
In my previous x86_64 thread fix, I forgot to initialize thread.arch.fs in
arch_prctl.  A process calling arch_prctl to set %fs would lose it on the
next context switch.

It also turns out that you can switch to a process which is in the process
of exiting and which has lost its mm.  In this case, it's worse than
useless to try to call arch_prctl on the host process.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 07:38:22 -08:00
Davide Libenzi f6dfb4fd7d [PATCH] Add epoll compat_ code to fs/compat.c
IA64 and ARM-OABI are currently using their own version of epoll compat_
code.

An architecture needs epoll_event translation if alignof(u64) in 32 bit
mode is different from alignof(u64) in 64 bit mode.  If an architecture
needs epoll_event translation, it must define struct compat_epoll_event in
asm/compat.h and set CONFIG_HAVE_COMPAT_EPOLL_EVENT and use
compat_sys_epoll_ctl and compat_sys_epoll_wait.

All 64 bit architecture should use compat_sys_epoll_pwait.

[sfr: restructure and move to fs/compat.c, remove MIPS version
of compat_sys_epoll_pwait, use __put_user_unaligned]

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 07:38:22 -08:00
Paolo 'Blaisorblade' Giarrusso 47c51dff4a [PATCH] x86_64: fix 2.6.18 regression - PTRACE_OLDSETOPTIONS should be accepted
Also PTRACE_OLDSETOPTIONS should be accepted, as done by kernel/ptrace.c
and forced by binary compatibility.  UML/32bit breaks because of this -
since it is wise enough to use PTRACE_OLDSETOPTIONS to be binary compatible
with 2.4 host kernels.

Until 2.6.17 (commit f0f2d6536e) we had:

       default:
                return sys_ptrace(request, pid, addr, data);

Instead here we have:
        case PTRACE_GET_THREAD_AREA:
	case ...:
                return sys_ptrace(request, pid, addr, data);

        default:
                return -EINVAL;

This change was a style change - when a case is added, it must be
explicitly tested this way.  In this case, not enough testing was done.

Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 07:38:21 -08:00
Paolo 'Blaisorblade' Giarrusso de7b37cd01 [PATCH] um: fix errno usage
Avoid reusing userspace errno twice - it can be cleared by libc code
everywhere (in particular printk() does clear it in my setup).

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 07:38:21 -08:00
Paolo 'Blaisorblade' Giarrusso 0f97869df6 [PATCH] uml: activate_fd: return ENOMEM only when appropriate
Avoid returning ENOMEM in case of a duplicate IRQ - ENOMEM was saved into err
earlier.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 07:38:21 -08:00
Paolo 'Blaisorblade' Giarrusso ec0ac8ad33 [PATCH] um: fix confusion irq early reenabling
Fix confusion about call context - comments and code are inconsistent and
plain wrong, my fault.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 07:38:21 -08:00
Paolo 'Blaisorblade' Giarrusso b53378856f [PATCH] um: mark both consoles as CON_ANYTIME
Since both UML consoles do not use percpu variables, they may be called when
the cpu is still offline, and they may be marked CON_ANYTIME (this is
documented in kernel/printk.c, grep for CON_ANYTIME to find mentions of this).

Works well in testing done with lock debug enabled, should be safe but is not
needed for next release.

This would probably help also stderr_console.c, but this is yet to test.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 07:38:21 -08:00
Paolo 'Blaisorblade' Giarrusso 9ff1d36cf4 [PATCH] um: remove dead code about os_usr1_signal() and os_usr1_process()
os_usr1_signal() is totally unused, os_usr1_process() is used only by TT mode.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 07:38:21 -08:00
Paolo 'Blaisorblade' Giarrusso 83f4e8afc9 [PATCH] um: fix a memory leak in the multicast driver
Memory allocated by mcast_user_init must be freed in the matching mcast_remove.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-08 07:38:21 -08:00
Russell King a45570ebf3 Merge branch 'omap-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 2007-03-08 13:34:59 +00:00
Richard Purdie abc23585b9 [ARM] 4251/1: Fix sharpsl_pm dependency
The sharpsl_pm code depends on some symbols in the APM emulation code.
Add the dependency for now until a better solution can be found.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-03-08 13:34:02 +00:00
Richard Purdie 774830377b [ARM] 4249/1: Fix tosa compile failure
Fix tosa compile failure from commit
32f3f49910

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-03-08 13:33:58 +00:00
Uwe Kleine-König ce2b5ec353 [ARM] 4247/1: Fix long name for cc9p9360dev
The Product Manager of the cc9p insist on using the correct product names.

Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-03-08 13:33:56 +00:00
Len Brown 74586fca38 ACPI: fix Thinkpad 600/600E/600X interrupts
The root cause of this bug shows that this machine
could not possibly run an ACPI-aware OS without a
model specific workaround.

http://bugzilla.kernel.org/show_bug.cgi?id=5966

Signed-off-by: Len Brown <len.brown@intel.com>
2007-03-08 02:48:30 -05:00
Kumar Gala f194bda4ce [POWERPC] 85xx: Enable CONFIG_SERIAL_8250_SHARE_IRQ
On chip 8250 UARTs share an interrupts on existing 85xx processors.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-03-07 23:14:57 -06:00
Segher Boessenkool 49fdf3f078 [POWERPC] Select u-image as default image for Linkstation
Fixes image build error:

ln: accessing `arch/powerpc/boot/zImage': No such file or directory
make[1]: *** [arch/powerpc/boot/zImage] Error 1
make: *** [zImage] Error 2

Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: G. Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-03-07 23:04:47 -06:00
Li Yang aea12b7548 [POWERPC] 83xx: Minor fixes for 834x_mds USB setup code
Fix broken node manipulating code, and clarify inaccurate comment.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-03-07 22:46:03 -06:00
Linus Torvalds 06aa5b4aae Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] ARC: Fix several compiler warnings.
  [MIPS] ISA: Fix typo
  [CHAR] ds1286: Fix handling of seconds in RTC_ALM_SET ioctl.
2007-03-07 19:04:21 -08:00
Linus Torvalds c91a32503d Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] fsys_getcpu for IA64
  [IA64] remove duplicate declaration of efi_initialize_iomem_resources
  [IA64] Pick highest possible saved_max_pfn for crash_dump
  [IA64] fix NULL pointer in ia64/irq_chip-mask/unmask function
2007-03-07 19:03:51 -08:00
Ralf Baechle b2e569d876 [MIPS] ARC: Fix several compiler warnings.
CC      arch/mips/arc/init.o
arch/mips/arc/init.c: In function 'prom_init':
arch/mips/arc/init.c:27: warning: ISO C90 forbids mixed declarations and code
arch/mips/arc/init.c:35: warning: format ‘%08lx’ expects type ‘long unsigned int’, but argument 2 has type 'ULONG'
arch/mips/arc/init.c:28: warning: unused variable 'c'
arch/mips/arc/init.c:27: warning: unused variable ‘cnt’

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-08 01:10:30 +00:00
Fenghua Yu 3bc207d2b7 [IA64] fsys_getcpu for IA64
On 1.6GHz Montectio Tiger4, the following performance data is measured with
kernel built with defconfig which has NUMA configured:

Fastest sys_getcpu: 502 itc counts.
Fastest fsys_getcpu: 28 itc counts.

fsys_getcpu performance is largly impacted by whether data (node_to_cpu_map
etc) is in cache. It can take fsys_getcpu up to ~150 itc counts in cold
cache case.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-07 16:27:09 -08:00
Horms ddbad07630 [IA64] remove duplicate declaration of efi_initialize_iomem_resources
efi_initialize_iomem_resources() is declared in both include/linux/efi.h
and arch/ia64/kernel/setup.c. This patch removes the latter.

Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-07 16:18:38 -08:00
Tony Luck e55fdf11f3 [IA64] Pick highest possible saved_max_pfn for crash_dump
Berhhard Walle noted that on his HP rx8640 he ended up with saved_max_pfn
smaller than the highest address of system ram in /proc/iomem and proposed
a patch to base the address on the unrounded and unfiltered EFI memory
map address.  Simon Horman and Magnus Damm suggested that the whole test
be moved earlier in the function.  This is the combination of both of
these patches.

Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-07 16:13:25 -08:00
KAMEZAWA Hiroyuki e253eb0c08 [IA64] fix NULL pointer in ia64/irq_chip-mask/unmask function
This patch fixes boot failure because irq_desc->mask() is NULL.

- Added mask/unmask functions to ia64's irq desc function table.
- rename hw_interrupt_type to irq_chip. hw_interrupt_type is old name.
- Tony: Added same change to arch/ia64/sn/kernel/irq.c as pointed out
  by Eric Biederman ... mask/unmask functions there can be no-op.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-07 14:57:35 -08:00
Linus Torvalds 455921451a Merge branch 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32
* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32:
  avr32: dma-mapping.h
  [AVR32] Don't use kmap() in flush_icache_page()
  [AVR32] Fix bogus ti->flags manipulation in debug handler
  [AVR32] Fix typo in include/asm-avr32/Kbuild
  [AVR32] show_trace: Only walk valid stack addresses
  [AVR32] at32_spi_setup_slaves should be __init
2007-03-07 11:27:53 -08:00
Linus Torvalds d694c16bc3 Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: Kill off I/O cruft for R7780RP.
  sh: Revert lazy dcache writeback changes.
  sh: Enable SM501 support for RTS7751R2D.
  sh: Use L1_CACHE_BYTES for .data.cacheline_aligned.
  sysctl: Support vdso_enabled sysctl on SH.
  sh: Fix kernel thread stack corruption with preempt.
  doc: Add SH to vdso and earlyprintk in kernel-parameters.txt
  sh: Fix sigmask trampling in signal delivery.
  sh: Clear UBC when not in use.
2007-03-07 10:08:33 -08:00
Ingo Molnar d04f41e353 [PATCH] CPU hotplug: call check_tsc_sync_source() with irqs off
check_tsc_sync_source() depends on being called with irqs disabled (it
checks whether the TSC is coherent across two specific CPUs). This is
incidentally true during bootup, but not during cpu hotplug __cpu_up().
This got found via smp_processor_id() debugging.

disable irqs explicitly and remove the unconditional enabling of
interrupts. Add touch_nmi_watchdog() to the cpu_online_map busy loop.

this bug is present both on i386 and on x86_64.

Reported-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-07 10:07:24 -08:00
Benjamin Herrenschmidt b5d99e64bc [POWERPC] Fix warning in powermac pci.c
This fixes a warning due to unused result from pci_enable_device() in
powermac pci.c

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-03-08 04:09:34 +11:00
Benjamin Herrenschmidt e71c5c38ed [POWERPC] Fix warning in powermac feature.c
This fixes a warning due to unused return from pci_enable_device() in
powermac feature.c core99_ata100_enable() function.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-03-08 04:09:34 +11:00
Benjamin Herrenschmidt 84532c9120 [POWERPC] Fix warning in prom_parse.c of_irq_map_oldworld()
This function spews a warning due to possible use of an uninitialized
variable. This can happen on broken device-trees or when called with
a NULL argument. Makes ure we properly fail instead.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-03-08 04:09:33 +11:00
Ishizaki Kou 8388374f1c [POWERPC] Celleb: bug fix caused by not casting pointer types
This fixes a bug caused by changes of pointer type in
commit f1fda89522.

hose->cfg_addr type is "volatile unsigned int __iomem *", so
"hose->cfg_addr + X" will not make an intended address.

This patch also adds comments for usage of cfg_addr and cfg_data in
pci_controller structure.  We use them in irregular way, and the
original code is short of explanations about them.

Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-03-08 04:09:33 +11:00
Michael Ellerman c99176a230 [POWERPC] Add missing newline in xmon help output
My patch to add spu disassembly (af89fb8041)
removed a newline from the xmon help that it shouldn't have, put it back.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-03-08 04:09:33 +11:00
Olof Johansson 3546e811f1 [POWERPC] No DEEPNAP on 970MP 1.0
970MP rev 1.0 is reported to have nonworking DEEPNAP support, we've had
bug reports of lockups on those machines. Appearantly Apple used them
on some dual-core dual-cpu systems. Rev 1.1 is OK, and that's the one
that all 4-way systems seem to use.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2007-03-08 04:09:32 +11:00
Haavard Skinnemoen 28c1d39db8 [AVR32] Don't use kmap() in flush_icache_page()
flush_icache_page() can be called from atomic context, so we can't
use kmap(). Use page_address() instead.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
2007-03-07 10:50:29 +01:00
Haavard Skinnemoen a19b4a1405 [AVR32] Fix bogus ti->flags manipulation in debug handler
We should OR in a bitmask, not a bit offset, into ti->flags. This
might fix some strange behaviour when single stepping.

Also, use set_ti_thread_flag() to manipulate the flags to avoid
surprises in the future.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
2007-03-07 10:50:28 +01:00
Haavard Skinnemoen 3338368e92 [AVR32] show_trace: Only walk valid stack addresses
Terminate the frame pointer walk if (a) the address is outside the
task's kernel stack or (b) if the frame pointer isn't monotonically
increasing. Without this fix, show_trace() may enter an infinite
loop, walking through random data anywhere in memory.

Since any address within the kernel stack is guaranteed to be valid,
we may eliminate the __get_user() calls as well.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
2007-03-07 10:50:27 +01:00
Haavard Skinnemoen 9a596a6236 [AVR32] at32_spi_setup_slaves should be __init
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
2007-03-07 10:50:26 +01:00
Richard Woodruff 474844f708 ARM: OMAP: Fix OMAP2 dss2 so clk_set_parent works
This adds the delayed application attribute to the dss2 clock.  DSS2
can't select the 48MHz APLL with properly with out validating the
configuration as trigged by this flag.

Signed-off-by: Richard Woodruff <r-woodruff2@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-07 01:17:46 -08:00
Dirk Behme e6da2aa74a ARM: OMAP: Fix missing workqueue include in board-h2.c
ARM: OMAP: Fix missing #include <linux/workqueue.h> in
board-h2.c resulting in

In file included from arch/arm/mach-omap1/board-h2.c:40:
include/asm/arch/irda.h:27: error: field 'gpio_expa' has
incomplete type

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-07 01:17:46 -08:00
Tony Lindgren 766314867b ARM: OMAP: Include missing header
Include missing header for do_div()

Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-07 01:17:46 -08:00
Linus Torvalds fe1b4ba400 Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
  [S390] cio: Call cancel_halt_clear even when actl == 0.
  [S390] cio: Use path verification to check for path state.
  [S390] cio: Fix locking when calling notify function.
  [S390] Fixed handling of access register mode faults.
  [S390] dasd: Use default recovery for SNSS requests
  [S390] check_bugs() should be inline.
  [S390] tape: Compression overwrites crypto setting
  [S390] nss: disable kexec.
  [S390] reipl: move dump_prefix_page out of text section.
  [S390] smp: disable preemption in smp_call_function/smp_call_function_on
  [S390] kprobes breaks BUG_ON
2007-03-06 19:52:50 -08:00
Greg Ungerer 5d6deb940f [PATCH] m68knommu: remove local_bh_count
Remove un-used/un-referenced local_bh_count.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 18:08:38 -08:00
Greg Ungerer 1ed35e0d8a [PATCH] m68knommu: use irq_handler_t and rtc_time in prototypes
Use irq_handler_t for passing clock handler routine around.
And use new rtc_time in place of hwclock_time.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 18:08:38 -08:00
Greg Ungerer 8668fb5d8d [PATCH] m68knommu: use irq_handler_t and remove regs arg for 68328
Remove regs arg from bad interrupt handler.
Use irq_handler_t type for handler arg of local request_irq().

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 18:08:38 -08:00
Greg Ungerer 1ea9acc782 [PATCH] m68knommu: use irq_handler_t for passing handler types in 68328 setup
Use irq_handler_t type for passing around timer interrupt routine
in 368360 setup code.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 18:08:38 -08:00
Greg Ungerer b032fde909 [PATCH] m68knommu: use irq_handler_t for passing handler types in 68360 setup
Use irq_handler_t type for passing around timer interrupt routine.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 18:08:38 -08:00
Linus Torvalds 1ba73b99c3 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] kexec: Use EFI_LOADER_DATA for ELF core header
  [IA64] permon use-after-free fix
  [IA64] sync compat getdents
  [IA64] always build arch/ia64/lib/xor.o
  [IA64] Remove stack hard limit on ia64
  [IA64] point saved_max_pfn to the max_pfn of the entire system
  Revert "[IA64] swiotlb abstraction (e.g. for Xen)"
2007-03-06 18:05:10 -08:00
Linus Torvalds 185d84b4e1 Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] IP27: Build fix
  [MIPS] Wire up ioprio_set and ioprio_get.
  [MIPS] Fix __raw_read_trylock() to allow multiple readers
  [MIPS] Export __copy_user_inatomic.
  [MIPS] R2 bitops compile fix for gcc < 4.0.
  [MIPS] TX39: Remove redundant tx39_blast_icache() calls
  [MIPS] Cobalt: Fix early printk
  [MIPS] SMTC: De-obscure Malta hooks.
  [MIPS] SMTC: Add fordward declarations for mm_struct and task_struct.
  [MIPS] SMTC: <asm/mips_mt.h> must include <linux/cpumask.h>
  [MIPS] SMTC: <asm/smtc_ipi.h> must include <linux/spinlock.h>
  [MIPS] Atlas, Malta: Fix build warning.
2007-03-06 18:02:46 -08:00
Linus Torvalds 205c911da3 Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
  sis900 warning fixes
  mv643xx_eth: Place explicit port number in mv643xx_eth_platform_data
  pcnet32: Fix PCnet32 performance bug on non-coherent architecutres
  __devinit & __devexit cleanups for de2104x driver
  3c59x: Handle pci_enable_device() failure while resuming
  dmfe: Fix link detection
  dmfe: fix two bugs
  dmfe: trivial/spelling fixes
  revert "drivers/net/tulip/dmfe: support basic carrier detection"
  ucc_geth: returns NETDEV_TX_BUSY when BD ring is full
  ucc_geth: Fix BD processing
  natsemi: netpoll fixes
  bonding: Improve IGMP join processing
  bonding: only receive ARPs for us
  bonding: fix double dev_add_pack
2007-03-06 17:30:59 -08:00
Ralf Baechle 063ea774b0 [MIPS] IP27: Build fix
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07 00:07:18 +00:00
Ralf Baechle 08253b39f8 [MIPS] Wire up ioprio_set and ioprio_get.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07 00:07:18 +00:00
Ralf Baechle d0c91ae2bb [MIPS] Export __copy_user_inatomic.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07 00:07:17 +00:00
Atsushi Nemoto a5664c4075 [MIPS] TX39: Remove redundant tx39_blast_icache() calls
Apply commit 0550d9d13e to c-tx39.c too.
And fix a warning in local_tx39_flush_data_cache_page().

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07 00:07:16 +00:00
Yoichi Yuasa 0a22e0d43b [MIPS] Cobalt: Fix early printk
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07 00:07:16 +00:00
Ralf Baechle 57a2050c40 [MIPS] SMTC: De-obscure Malta hooks.
Should now be understandable why the thing works ...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07 00:07:16 +00:00
Ralf Baechle f76b7ea48a [MIPS] Atlas, Malta: Fix build warning.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07 00:07:15 +00:00
Magnus Damm cee87af2a5 [IA64] kexec: Use EFI_LOADER_DATA for ELF core header
The address where the ELF core header is stored is passed to the secondary
kernel as a kernel command line option.  The memory area for this header is
also marked as a separate EFI memory descriptor on ia64.

The separate EFI memory descriptor is at the moment of the type
EFI_UNUSABLE_MEMORY.  With such a type the secondary kernel skips over the
entire memory granule (config option, 16M or 64M) when detecting memory.
If we are lucky we will just lose some memory, but if we happen to have
data in the same granule (such as an initramfs image), then this data will
never get mapped and the kernel bombs out when trying to access it.

So this is an attempt to fix this by changing the EFI memory descriptor
type into EFI_LOADER_DATA.  This type is the same type used for the kernel
data and for initramfs.  In the secondary kernel we then handle the ELF
core header data the same way as we handle the initramfs image.

This patch contains the kernel changes to make this happen.  Pretty
straightforward, we reserve the area in reserve_memory().  The address for
the area comes from the kernel command line and the size comes from the
specialized EFI parsing function vmcore_find_descriptor_size().

The kexec-tools-testing code for this can be found here:
http://lists.osdl.org/pipermail/fastboot/2007-February/005983.html

Signed-off-by: Magnus Damm <magnus@valinux.co.jp>
Cc: Simon Horman <horms@verge.net.au>
Cc: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-06 14:50:33 -08:00
Nick Piggin 41d5e5d73e [IA64] permon use-after-free fix
Perfmon associates vmalloc()ed memory with a file descriptor, and installs
a vma mapping that memory.  Unfortunately, the vm_file field is not filled
in, so processes with mappings to that memory do not prevent the file from
being closed and the memory freed.  This results in use-after-free bugs and
multiple freeing of pages, etc.

I saw this bug on an Altix on SLES9.  Haven't reproduced upstream but it
looks like the same issue is there.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Stephane Eranian <eranian@hpl.hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-06 14:49:52 -08:00
Alexandr Andreev 50157b09b3 [IA64] sync compat getdents
Add VERIFY_WRITE check in the beginning like compat_sys_getdents() (EINVAL vs
EFAULT).

Signed-off-by: Alexandr Andreev <aandreev@openvz.org>
Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-06 14:49:24 -08:00
Lee Schermerhorn a27e5a13d5 [IA64] always build arch/ia64/lib/xor.o
Always build ia64 xor.o because multiple config options now depend on it.

Necessary to build .20-mm* on ia64 when, e.g., CONFIG_ASYNC_TX_DMA is
defined.  Don't know if '_ASYNC_TX_DMA makes sense on ia64.  If not, maybe
Kconfig should preclude it.

Could have defined a Kconfig option that defaults to true if MD_RAID456 ||
ASYNC_TX_DMA to control building of xor.o, but xor.o is only 848 bytes and
this IS ia64...

Signed-off-by:  Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Bob Picco <bob.picco@hp.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-06 14:48:52 -08:00
Horms f4a570997e [IA64] point saved_max_pfn to the max_pfn of the entire system
Make saved_max_pfn point to max_pfn of entire system.

Without this patch is so that vmcore is zero length on ia64.  This is
because saved_max_pfn was wrongly being set to the max_pfn of the crash
kernel's address space, rather than the max_pfg on the physical memory of
the machine - the whole purpose of vmcore is to access physical memory that
is not part of the crash kernel's addresss space.

Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Sort-Of-Acked-By: Jay Lan <jlan@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-06 14:47:54 -08:00
Jeff Dike 0e8cd28a08 [PATCH] uml: comment the initialization of a global
Comment the fact that sig_info is initialized early in boot, and thus doesn't
need any locking.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 09:30:26 -08:00
Jeff Dike b4cf95c69a [PATCH] uml: add a debugging message
Add a debugging message in the case that mapping a stub fails.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 09:30:26 -08:00
Jeff Dike 7c7a89499a [PATCH] uml: fix formatting violations in signal delivery code
Fix a few formatting bugs in the signal code.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 09:30:26 -08:00
Adrian Bunk 4a6753ca08 [PATCH] remove arch/i386/kernel/tsc.c:custom_sched_clock
Remove the no longer used custom_sched_clock.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Zachary Amsden <zach@vmware.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 09:30:25 -08:00
Thomas Gleixner e585047ef9 [PATCH] Scheduled removal of SA_xxx interrupt flags fixups 3
The obsolete SA_xxx interrupt flags have been used despite the scheduled
removal.  Fixup the remaining users.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-06 09:30:24 -08:00
Dale Farnsworth 84dd619e4d mv643xx_eth: Place explicit port number in mv643xx_eth_platform_data
We were using the platform_device.id field to identify which ethernet
port is used for mv643xx_eth device.  This is not generally correct.
It will be incorrect, for example, if a hardware platform uses a single
port but not the first port.  Here, we add an explicit port_number field
to struct mv643xx_eth_platform_data.

This makes the mv643xx_eth_platform_data structure required, but that
isn't an issue since all users currently provide it already.

Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-06 06:14:54 -05:00
Gerald Schaefer 482b05dd53 [S390] Fixed handling of access register mode faults.
Replaced check_user_space() + __check_access_register with the new
check_space(). The old functions made wrong assumptions about kernel
and user space when the kernel and user address spaces are switched
(kernel in home space, user in primary/secondary space).
Secondly the user process can switch to the accress register mode if
it is running in primary or secondary mode. In addition it can load
an arbitrary value to the access registers. If any other value than
0 for primary space or 1 for secondary space is loaded and memory
is accessed using the base register related to the access register,
the program should be terminated with a SIGSEGV. To achieve that the
DUALD pointer in the DUCT and the PSALD pointer in the PASTE need
to point to an array of 8 invalid access-list entries to get a
ALEN-translation exception if an invalid alet is used.

Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-03-05 23:35:54 +01:00
Heiko Carstens 9c9c17613a [S390] nss: disable kexec.
nss and kexec don't work together since kexec wants to write to the
read-only text section of the shared kernel image.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-03-05 23:35:45 +01:00
Heiko Carstens c5dd858670 [S390] reipl: move dump_prefix_page out of text section.
Reipl doesn't work on older machines were s390_reset_machine() gets
called. The reason is that the text section is read-only but the
variable dump_prefix_page is there. Since s390_reset_machine() writes
to it we get a protection exception.
Therefore move dump_prefix_page to the bss section.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-03-05 23:35:43 +01:00
Heiko Carstens 25864162c1 [S390] smp: disable preemption in smp_call_function/smp_call_function_on
Avoid sprinkling a _lot_ of preempt_disable/preempt_enable pairs.
This would be necessary for e.g. the iucv driver. Also this way we
are more consistent with other architectures which disable
preemption at least for smp_call_function.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-03-05 23:35:41 +01:00
Martin Schwidefsky f794c8279d [S390] kprobes breaks BUG_ON
The illegal operation handler calls the die notifier with DIE_BPT to
let kprobes pick up its breakpoint. If kprobes does not find its
breakpoint it returns NOTIFY_STOP instead of NOTIFY_DONE.
Since we use stop_machine_run on s390 to arm/disarm the kprobes
breakpoints the race that kprobe_handler tries to solve by checking
for the kprobes breakpoints does not exist. Removing the check makes
BUG_ON working again.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-03-05 23:35:38 +01:00
Ingo Molnar c3442e2965 [PATCH] paravirt: re-enable COMPAT_VDSO
CONFIG_PARAVIRT broke old glibc bootup: it silently turned off the
selectability of CONFIG_COMPAT_VDSO and thus rendered distro kernels
unbootable on old-style VDSO glibc setups.

the proper solution is to keep COMPAT_VDSO available - if a hypervisor
needs any modification of that concept then we'll judge those changes in
full context, once those changes are submitted.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 08:34:25 -08:00
Ingo Molnar 0d05ad2c09 [PATCH] paravirt: let users decide whether they want VMI
do not use default=y for CONFIG_VMI (we do not do that for any driver or
special-hardware feature): the overwhelming majority of Linux users does
not need it, and interested users and distributions can enable it
as-needed.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 08:23:51 -08:00
Ingo Molnar e9417fb324 [PATCH] paravirt: clarify VMI description
Clarify the description of the CONFIG_VMI option: describe the reality
that VMI is a VMWare-only interface for now. Once that changes and
another hypervisor adopts the VMI ABI we can change the text.

As can be seen from the Xen paravirtualization patches submitted to lkml
the Xen project has chosen its own, non-VMI interface between Xen and
the para-Linux - so remove Xen from the description.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 08:23:51 -08:00
Ingo Molnar 3f1a73b6dd [PATCH] paravirt: remove NO_IDLE_HZ on x86
Temove the mistaken turning on of NO_IDLE_HZ on x86+PARAVIRT kernels.

It's an obsolete, limited form of dynticks.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 08:23:51 -08:00
Adrian Bunk 8f48561223 [PATCH] arch/i386/kernel/vmi.c must #include <asm/kmap_types.h>
CC      arch/i386/kernel/vmi.o
/home/bunk/linux/kernel-2.6/linux-2.6.21-rc2-mm1/arch/i386/kernel/vmi.c: In function 'vmi_map_pt_hook':
/home/bunk/linux/kernel-2.6/linux-2.6.21-rc2-mm1/arch/i386/kernel/vmi.c:387: error: 'KM_PTE0' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/linux-2.6.21-rc2-mm1/arch/i386/kernel/vmi.c:387: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/linux-2.6.21-rc2-mm1/arch/i386/kernel/vmi.c:387: error: for each function it appears in.)
/home/bunk/linux/kernel-2.6/linux-2.6.21-rc2-mm1/arch/i386/kernel/vmi.c:387: error: 'KM_PTE1' undeclared (first use in this function)
make[2]: *** [arch/i386/kernel/vmi.o] Error 1

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:54 -08:00
john stultz 6bb74df481 [PATCH] clocksource init adjustments (fix bug #7426)
This patch resolves the issue found here:
http://bugme.osdl.org/show_bug.cgi?id=7426

The basic summary is:
Currently we register most of i386/x86_64 clocksources at module_init
time. Then we enable clocksource selection at late_initcall time. This
causes some problems for drivers that use gettimeofday for init
calibration routines (specifically the es1968 driver in this case),
where durring module_init, the only clocksource available is the low-res
jiffies clocksource. This may cause slight calibration errors, due to
the small sampling time used.

It should be noted that drivers that require fine grained time may not
function on architectures that do not have better then jiffies
resolution timekeeping (there are a few). However, this does not
discount the reasonable need for such fine-grained timekeeping at init
time.

Thus the solution here is to register clocksources earlier (ideally when
the hardware is being initialized), and then we enable clocksource
selection at fs_initcall (before device_initcall).

This patch should probably get some testing time in -mm, since
clocksource selection is one of the most important issues for correct
timekeeping, and I've only been able to test this on a few of my own
boxes.

Signed-off-by: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:53 -08:00
David Rientjes 4540768011 [PATCH] x86_64: remove unusued 'flags' variable
Removes unused 'flags' variable from setup_IO_APIC_irq().

Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:53 -08:00
Thomas Gleixner a5f5e43e2b [PATCH] fix "NMI appears to be stuck"
Testing NMI watchdog ... CPU#0: NMI appears to be stuck (54->54)!
  CPU#1: NMI appears to be stuck (0->0)!

Keep the PIT/HPET alive when nmi_watchdog = 1 is given on the command
line.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:53 -08:00
Zachary Amsden c6b36e9a3c [PATCH] vmi: smp fixes
Critical fixes for SMP.

Fix a couple functions which needed to be __devinit and fix a bogus parameter
to AP startup that just so happened to work because the low virtual mapping of
memory was still established.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:53 -08:00
Zachary Amsden 772205f62e [PATCH] vmi: apic ops
Use para_fill instead of directly setting the APIC ops to the result of the
vmi_get_function call - this allows one to implement a VMI ROM without
implementing APIC functions, just using the native APIC functions.

While doing this, I realized that there is a lot more cleanup that should have
been done.  Basically, we should never assume that the ROM implements a
specific set of functions, and always allow fallback to the native
implementation.

This is critical for future compatibility.

Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
Signed-off-by: Zachary Amsden <zach@vmware.com>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:52 -08:00
Zachary Amsden a9eddc9528 [PATCH] vmi: fix nohz compile
More goo from hrtimers integration.  We do compile and run properly with NO_HZ
enabled.  There was a period when we didn't because of a missing export, but
that was since fixed.

And with the clocksource code now firmly in place, we can get rid of code that
fixes up the wallclock, since this is done in the common infrastructure.  This
actually fixes a timer bug as well, that was caused by do_settimeofday no
longer being callable with interrupts disabled due to the use of
on_each_cpu().

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:52 -08:00
Zachary Amsden e30fab3ad3 [PATCH] vmi: pit override
The time_init_hook in paravirt-ops no longer functions in the correct manner
after the integration of the hrtimers code.  The problem is that now the call
path for time initialization is:

  time_init :
       late_time_init = hpet_time_init;

  late_time_init -> hpet_time_init:
       setup_pit_timer (BAD)
       do_time_init --> (via paravirt.h)
          time_init_hook --> (via arch_hooks.h)
              time_init_hook (in SUBARCH/setup.c)

If this isn't confusing enough, the paravirt case goes through an indirect
function pointer in the paravirt-ops table.  The problem is, by the time the
paravirt hook is called, the pit timer is already enabled.

But paravirt guests have their own timer, and don't want to use the PIT.
Rather than intensify the struggle for power going on here, just make it all
nice and simple and just unconditionally do all timer setup in the
late_time_init hook.  This also has the advantage of enabling timers in the
same place in all code paths, so everyone has the same bugs and we don't have
outliers who break other code because they turn on timer too early or too
late.

So the paravirt-ops time init function is now by default hpet_time_init, which
is the time init function used for native hardware.  Paravirt guests have the
chance to override this when they setup the paravirt-ops table, and should
need no change.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:52 -08:00
Zachary Amsden eda08b1bef [PATCH] vmi: paravirt drop udelay op
Not respecting udelay causes problems with any virtual hardware that is passed
through to real hardware.  This can be noticed by any device that interacts
with the real world in real time - like AP startup, which takes real time.  Or
keyboard LEDs, which should blink in real-time.  Or floppy drives, but only
when passed through to a real floppy controller on OSes which can't
sufficiently buffer the floppy commands to emulate a zero latency floppy.  Or
IDE drives, when connecting to a physical CDROM.

This was mostly a hack to get the kernel to boot faster, but it introduced a
number of misvirtualization bugs, and Alan and Pavel argued pretty strongly
against it.  We were the only client, and now want to clean up this cruft.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:52 -08:00
Zachary Amsden 9a1c13e91f [PATCH] vmi: fix highpte
Provide a PT map hook for HIGHPTE kernels to designate where they are mapping
page tables.  This information is required so the physical address of PTE
updates can be determined; otherwise, the mm layer would have to carry the
physical address all the way to each PTE modification callsite, which is even
more hideous that the macros required to provide the proper hooks.

So lets not mess up arch neutral code to achieve this, but keep the horror in
an #ifdef HIGHPTE in include/asm-i386/pgtable.h.  I had to use macros here
because some types are not yet defined in all the include paths for this
header.

This patch is absolutely required for HIGHPTE kernels to operate properly with
VMI.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:52 -08:00
Zachary Amsden 1182d8528b [PATCH] vmi: cpu cycles fix
In order to share the common code in tsc.c which does CPU Khz calibration, we
need to make an accurate value of CPU speed available to the tsc.c code.  This
value loses a lot of precision in a VM because of the timing differences with
real hardware, but we need it to be as precise as possible so the guest can
make accurate time calculations with the cycle counters.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:52 -08:00
Zachary Amsden 6cb9a8350a [PATCH] vmi: sched clock paravirt op fix
The custom_sched_clock hook is broken.  The result from sched_clock needs to
be in nanoseconds, not in CPU cycles.  The TSC is insufficient for this
purpose, because TSC is poorly defined in a virtual environment, and mostly
represents real world time instead of scheduled process time (which can be
interrupted without notice when a virtual machine is descheduled).

To make the scheduler consistent, we must expose a different nature of time,
that is scheduled time.  So deprecate this custom_sched_clock hack and turn it
into a paravirt-op, as it should have been all along.  This allows the tsc.c
code which converts cycles to nanoseconds to be shared by all paravirt-ops
backends.

It is unfortunate to add a new paravirt-op, but this is a very distinct
abstraction which is clearly different for all virtual machine
implementations, and it gets rid of an ugly indirect function which I
ashamedly admit I hacked in to try to get this to work earlier, and then even
got in the wrong units.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:52 -08:00
Zachary Amsden 7507ba34e8 [PATCH] vmi: timer fixes round two
Critical bugfixes for the VMI-Timer code.

1) Do not setup a one shot alarm if we are keeping the periodic alarm
   armed.  Additionally, since the periodic alarm can be run at a lower rate
   than HZ, let's fixup the guard to the no-idle-hz mode appropriately.  This
   fixes the bug where the no-idle-hz mode might have a higher interrupt rate
   than the non-idle case.

2) The interrupt handler can no longer adjust xtime due to nested lock
   acquisition.  Drop this.  We don't need to check for wallclock time at
   every tick, it can be done in userspace instead.

3) Add a bypass to disable noidle operation.  This is useful as a last
   minute workaround, or testing measure.

4) The code to skip the IO_APIC timer testing (no_timer_check) should be
   conditional on IO_APIC, not SMP, since UP kernels can have this configured
   in as well.

Signed-off-by: Dan Hecht <dhecht@vmware.com>
Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:52 -08:00
David Brownell 0a938b9768 [PATCH] add CONFIG_GENERIC_GPIO
Most drivers using GPIOs already know they are running on a system that
supports the generic GPIO calls, because of other platform dependencies.
But the generic GPIO-based LED and input button drivers can't know that.

So this patch adds a Kconfig hook, GENERIC_GPIO, to mark the platforms
where <asm/gpio.h> will do the right thing.  Currently that's a bunch of
ARMs, and AVR32; more are on the way.

It also fixes a dependency bug for the gpio button input driver; it was
wrong to start with, now it covers all platforms with GENERIC_GPIO.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Richard Purdie <rpurdie@rpsys.net>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: <raph@8d.com>
Cc: <msvoboda@ra.rockwell.com>
Cc: pHilipp Zabel <philipp.zabel@gmail.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:51 -08:00
Eric W. Biederman f5f2b13129 [PATCH] msi: sanely support hardware level msi disabling
In some cases when we are not using msi we need a way to ensure that the
hardware does not have an msi capability enabled.  Currently the code has been
calling disable_msi_mode to try and achieve that.  However disable_msi_mode
has several other side effects and is only available when msi support is
compiled in so it isn't really appropriate.

Instead this patch implements pci_msi_off which disables all msi and msix
capabilities unconditionally with no additional side effects.

pci_disable_device was redundantly clearing the bus master enable flag and
clearing the msi enable bit.  A device that is not allowed to perform bus
mastering operations cannot generate intx or msi interrupt messages as those
are essentially a special case of dma, and require bus mastering.  So the call
in pci_disable_device to disable msi capabilities was redundant.

quirk_pcie_pxh also called disable_msi_mode and is updated to use pci_msi_off.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Michael Ellerman <michael@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-05 07:57:50 -08:00
Paul Mundt ccd45ad405 sh: Kill off I/O cruft for R7780RP.
We don't have any use for these machvec fixups anymore, kill them all
off and go with the generic instead.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-05 20:19:57 +09:00
Paul Mundt 39e688a94b sh: Revert lazy dcache writeback changes.
These ended up causing too many problems on older parts,
revert for now..

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-05 19:46:47 +09:00
Paul Mundt c87a711134 sh: Enable SM501 support for RTS7751R2D.
This enables the SM501 drivers for the R2D board. Additional
work needs to be done to migrate off of the VoyagerGX cchip
code to make use of the rest of the mfd infrastructure.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-05 14:13:26 +09:00
Paul Mundt 87e29cacb7 sh: Use L1_CACHE_BYTES for .data.cacheline_aligned.
Previously this was using a hardcoded 32, use L1_CACHE_BYTES for
cacheline alignment instead.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-05 14:13:26 +09:00
Hideo Saito e6bcf562e5 sh: Fix kernel thread stack corruption with preempt.
When I run a preemptive kernel-2.6.20 for SH7780, a created
kthread(pdflush) can not exit by do_exit() in kernel_thread_helper. I
think that the created kthread should have a room for 'struct pt_regs'
space on the stack top, because __switch_to() will refer to the space as
follows using 'regs = task_pt_regs(prev)' and next condition may be true.

Signed-off-by: Hideo Saito <saito@densan.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-05 14:13:26 +09:00
Ryusuke Sakato c8bfa1fdc8 sh: Fix sigmask trampling in signal delivery.
There was a missing return in do_signal() that caused the saved
sigmask to be written back after having successfully delivered
the signal.

Signed-off-by: Ryusuke Sakato <sakato@hsdv.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-05 14:13:25 +09:00
Stuart Menefy 9432f96803 sh: Clear UBC when not in use.
This takes care of tearing down the UBC so it's not inadvertently
left configured at the next context switch time. Failure to do
this results in spurious SIGTRAPs in certain debug sequences.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-03-05 14:13:25 +09:00
Linus Torvalds 42270035c6 Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits)
  [ARM] Acorn: move the i2c bus driver into drivers/i2c
  [ARM] ARM SCSI: Don't try to dma_map_sg too many scatterlist entries
  [ARM] ARM FAS216: don't modify scsi_cmnd request_bufflen
  [ARM] rtc-pcf8583: Final fixes for this RTC on RiscPC
  [ARM] rtc-pcf8583: correct month and year offsets
  [ARM] rtc-pcf8583: don't use BCD_TO_BIN/BIN_TO_BCD
  [ARM] EBSA110: Work around build errors
  [ARM] 4241/1: Define mb() as compiler barrier on a uniprocessor system
  [ARM] 4239/1: S3C24XX: Update kconfig entries for PM
  [ARM] 4238/1: S3C24XX: docs: update suspend and resume
  [ARM] 4237/2: oprofile: Always allow backtraces on ARM
  [ARM] Yet more asm/apm-emulation.h stuff
  ARM: OMAP: Add missing get_irqnr_preamble and arch_ret_to_user for omap2
  ARM: OMAP: Use linux/delay.h not asm/delay.h
  ARM: OMAP: Remove obsolete alsa typedefs
  ARM: OMAP: omap1510->15xx conversions needed for sx1
  ARM: OMAP: Add missing includes to board-nokia770
  ARM: OMAP: Workqueue changes for board-h4.c
  ARM: OMAP: dmtimer.c omap1 register fix
  ARM: OMAP: board-nokia770: correct lcd name
  ...
2007-03-04 13:15:48 -08:00
Florian Fainelli 8b4ac6f316 [MIPS] MTX1: clear PCI errors
This patch clears PCI errors after showing more debug informations.

Signed-off-by: Florian Fainelli <florian.fainelli@int-evry.fr>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:45 +00:00
Florian Fainelli baa545fddd [MIPS] MTX1: add idsel cardbus ressources
Adds cardbus ressources for MTX1 boards which have a PCMCIA controller.

Signed-off-by: Florian Fainelli <florian.fainelli@int-evry.fr>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:44 +00:00
Florian Fainelli 6fff989157 [MIPS] MTX1: remove unneeded settings
This patch removes unnecessary settings at setup time.

Signed-off-by: Florian Fainelli <florian.fainelli@int-evry.fr>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:43 +00:00
Ralf Baechle 5b648a98db [MIPS] dma_sync_sg_for_cpu is a no-op except for non-coherent R10000s.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:42 +00:00
Yoichi Yuasa 47d7c44b87 [MIPS] Cobalt: update reserved resources
This patch has removed unused timer resource.
Moreover, the name of reserved resources ware changed.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:42 +00:00
Ralf Baechle 3a1d8217e1 [MIPS] SN: PCI fixup needs to include <irq.h>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:40 +00:00
Ralf Baechle 36a885306f [MIPS] Fix and cleanup the mess that a dozen prom_printf variants are.
early_printk is a so much saner thing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:37 +00:00
Ralf Baechle ca471c8604 [MIPS] DEC: Remove redeclarations of mips_machgroup and mips_machtype.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:36 +00:00
Atsushi Nemoto 12e4396bf0 [MIPS] No need to write c0_compare in plat_timer_setup
If R4k counter was used for hpt_timer and interrupt source,
c0_hpt_timer_init() initializes the c0_compare register.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:35 +00:00
Atsushi Nemoto a0574e0480 [MIPS] Convert to RTC-class ds1742 driver
The generic rtc-ds1742 driver can be used for RBTX4927 and JMR3927
(with __swizzle_addr trick).  This patch also removes MIPS local
DS1742 stuff.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:34 +00:00
Ralf Baechle 148171b2ac [MIPS] Oprofile: Add missing break statements.
This was causing oprofile to fail on R10000, R12000, R14000.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:34 +00:00
Atsushi Nemoto 69f2827657 [MIPS] jmr3927: build fix
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:32 +00:00
Ralf Baechle 821d313c25 [MIPS] Replace sys32_timer_create with the generic compat_sys_timer_create.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:30 +00:00
Ralf Baechle 08274cefdc [MIPS] Replace sys32_socketcall with the generic compat_sys_socketcall.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:30 +00:00
Ralf Baechle 440537ef40 [MIPS] N32 waitid is the same as o32.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:29 +00:00
Russell King c5eb2a2b65 [ARM] EBSA110: Work around build errors
Work around EBSA110 build errors by selecting NO_IOPORT.  EBSA110
can't support an IO port to MMIO mapping mechanism because the
MMIO and IO port spaces have quite different and complex addressing
requirements.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-03-03 11:55:01 +00:00
Dale Farnsworth 5ada386bad mv643xx_eth: move mac_addr inside mv643xx_eth_platform_data
The information contained within platform_data should be self-contained.
Replace the pointer to a MAC address with the actual MAC address in
struct mv643xx_eth_platform_data.

Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-02 20:16:10 -05:00
Ralf Baechle c8d64f8a05 jmr3927: do not call tc35815_killall().
No need to stop tc35815 before resetting the board.  This fixes the
build of tc35815 as a module.  This also means there is no caller of
tc35815_killall left, so remove that function also.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-02 19:55:07 -05:00
David S. Miller f6d0f9ea55 [SPARC]: Provide pci_device_to_OF_node() just like powerpc.
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-02 15:22:51 -08:00
David S. Miller 45bcca67ed [SPARC]: Handle unresolvable resources better in of_device.c
Just leave them as zero if we couldn't calculate it.

Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-02 15:22:50 -08:00
David S. Miller b85cdd490a [SPARC]: Fix bus handling in build_device_resources().
We mistakedly modify 'bus' in the innermost loop.  What
should happen is that at each register index iteration,
we start with the same 'bus'.

So preserve it's value at the top level, and use a loop
local variable 'dbus' for iteration.

This bug causes registers other than the first to be
decoded improperly.

Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-02 15:22:49 -08:00
Russell King 6139dbbb77 Merge branch 'omap-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 2007-03-02 12:04:16 +00:00
Ben Dooks 5bfe8cb621 [ARM] 4239/1: S3C24XX: Update kconfig entries for PM
Update help text with location of documentation
and duplicate the note on the speed of CRC

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-03-02 11:58:58 +00:00
Richard Purdie 1b7b56982f [ARM] 4237/2: oprofile: Always allow backtraces on ARM
Always allow backtrace when using oprofile on ARM, even if a PMU
isn't present.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-03-02 11:58:58 +00:00
Russell King 14fca61a98 [ARM] Yet more asm/apm-emulation.h stuff
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-03-02 11:58:57 +00:00
Tony Lindgren 04fbf6a291 ARM: OMAP: Use linux/delay.h not asm/delay.h
Use linux/delay.h not asm/delay.h

Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:13 -08:00
Vladimir Ananiev 99c658a6c0 ARM: OMAP: omap1510->15xx conversions needed for sx1
Convert 1510->15xx in generic omap code, so that sx1 can work.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:12 -08:00
Dirk Behme 193506106d ARM: OMAP: Add missing includes to board-nokia770
Add missing includes to board-nokia770 to make it
compile again.

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:12 -08:00
Dirk Behme 060ebf97b4 ARM: OMAP: Workqueue changes for board-h4.c
Workqueue changes for board-h4.c

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:12 -08:00
Matthew Percival 53037f4c10 ARM: OMAP: dmtimer.c omap1 register fix
When I went to use dmtimer7 it did not seem to work.  I noticed that
the base addresses for dmtimers 7 and 8 were set wrong.  A simple patch
to correct a small error.  Confirmed to fix the problem on an OSK.

Signed-off-by: Matthew Percival <matthew@capgo.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:11 -08:00
Arnaud Patard e016a40cab ARM: OMAP: board-nokia770: correct lcd name
Some time ago, the 'lcd_lph8923' device was renamed to 'lcd_mipid' but
the board-nokia770.c file was not updated accordingly, leading to not
working lcd.

This one-liner fixe the trouble.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:10 -08:00
David Brownell b097f494cc ARM: OMAP: omap GP timer: HZ != 100
Teach OMAP2 gp timer that HZ isn't always 100.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:10 -08:00
Dirk Behme 2f5c4b6f1c ARM: OMAP: Fix warning in mach-omap1
Fix warning

arch/arm/mach-omap1/pm.c: In function 'omap_pm_init':
arch/arm/mach-omap1/pm.c:765: warning: ignoring return value
of 'subsys_create_file', declared with attribute
warn_unused_result

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:10 -08:00
Dirk Behme ef772f2ee3 ARM: OMAP: Fix CONFIG_DEBUG_LL
Fix broken CONFIG_DEBUG_LL. In case of low level debugging
reconfigure some clocks early.

See

http://source.mvista.com/git/gitweb.cgi?p=linux-omap-2.6.git;a=commitdiff;h=3bfb289ccc6c4624fd5ff0381546935e105f4093

too.

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:09 -08:00
Dirk Behme e6687290ae ARM: OMAP: Fix warning in mach-omap2
Fix warning

arch/arm/mach-omap2/timer-gp.c: In function
'omap2_gp_timer_init':
arch/arm/mach-omap2/timer-gp.c:70: warning: implicit
declaration of function 'setup_irq'

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:09 -08:00
Dirk Behme 2121880e88 ARM: OMAP: Fix warnings in plat-omap
Fix warnings

arch/arm/plat-omap/dmtimer.c: In function
'omap_dm_timer_modify_idlect_mask':
arch/arm/plat-omap/dmtimer.c:317: warning: no return
statement in function returning non-void

arch/arm/plat-omap/mailbox.c: In function 'omap_mbox_init':
arch/arm/plat-omap/mailbox.c:231: warning: ignoring return
value of 'class_device_create_file', declared with attribute
warn_unused_result

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:09 -08:00
Dirk Behme b286f7ba30 ARM: OMAP: No IRQF_TRIGGER set_type function for IRQ 353 (MPUIO)
No IRQF_TRIGGER set_type function for IRQ 353 (MPUIO)

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:09 -08:00
Marek Vašut 65d873caab ARM: OMAP: OMAP310 Serial
This makes serial usable also on omap310, not only 1510.
(changing 1510->15xx)

Signed-off-by: Marek Vašut <marek.vasut@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:09 -08:00
Timo Teras 681e9940da ARM: OMAP: Proper handling of DMA4_IRQSTATUS_L0
The register bits are reset by writing one. Remove the unneeded reads and
fix writes to not clear too many bits.

Signed-off-by: Timo Teras <timo.teras@solidboot.com>
Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:09 -08:00
Dirk Behme 6f9c92f1b9 ARM: OMAP: Fix warning in clock.c
Fix warning:

arch/arm/mach-omap1/clock.c: In function
'omap1_clk_enable_generic':
arch/arm/mach-omap1/clock.c:499: warning: 'return' with no
value, in function returning non-void

Signed-off-by: Dirk Behme <dirk.behme_at_gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:09 -08:00
Andrzej Zaborowski ef557d76df ARM: OMAP: correct misc 15xx and non-15xx platform code
Disable accesses to SOFT_REQ_REG2 and ULPD_SOFT_DISABLE_REQ_REG
registers for 15xx processors that don't have these registers. Enable
level 2 interrupt handler for processors that identify as OMAP 15xx
(e.g 310) and not 1510 specifically. Also fix the following compiler
warning (only visible with CONFIG_OMAP_RESET_CLOCKS):

arch/arm/mach-omap1/clock.c: In function 'omap1_clk_disable_unused':
arch/arm/mach-omap1/clock.c:634: warning: 'return' with a value, in
function returning void

Signed-off-by: Andrzej Zaborowski <balrog@zabor.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2007-03-02 01:47:08 -08:00
Linus Torvalds 132a69c6cc Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Fix parport_pc build.
  [SPARC64]: Update defconfig.
2007-03-01 17:28:31 -08:00
Yoichi Yuasa 3a0ee2ce8c [PATCH] fix memory leak in dma_declare_coherent_memory()
When it goes to free1_out, dev->dma_mem has not been freed.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-01 14:53:39 -08:00
Geert Uytterhoeven 3f555c700b [PATCH] ps3: introduce CONFIG_PS3_ADVANCED
ps3: Introduce CONFIG_PS3_ADVANCED, as suggested by Roman Zippel, and use
it to control questions about PS3 subsystems that may not be obvious for
the casual user.

This gets rid of the following warning on non-powerpc platforms: |
drivers/video/Kconfig:1604:warning: 'select' used by config symbol 'FB_PS3'
refer to undefined symbol 'PS3_PS3AV'

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-01 14:53:38 -08:00
Jeff Dike 14251809b1 [PATCH] uml: host VDSO fix
This fixes a problem seen by a number of people running UML on newer host
kernels.  init would hang with an infinite segfault loop.

It turns out that the host kernel was providing a AT_SYSINFO_EHDR of
0xffffe000, which faked UML into believing that the host VDSO page could be
reused.  However, AT_SYSINFO pointed into the middle of the address space, and
was unmapped as a result.  Because UML was providing AT_SYSINFO_EHDR and
AT_SYSINFO to its own processes, these would branch to nowhere when trying to
use the VDSO.

The fix is to also check the location of AT_SYSINFO when deciding whether to
use the host's VDSO.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-01 14:53:38 -08:00
Allan Graves cf2775f175 [PATCH] uml: enable RAW
Add the RAW device driver options to the UML Kconfig.char file so that you may
use them in UML.

Signed-off-by: Allan Graves<allan.graves@gmail.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-01 14:53:38 -08:00
Jeff Dike 04a51e66ad [PATCH] uml: add back accidentally removed error
In the 2.6.20 hang patch, I accidentally threw out an error message.
This puts it back.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-01 14:53:38 -08:00
Jeff Dike af72790221 [PATCH] uml: fix host LDT lookup initialization locking, try 2
Add some locking to host_ldt_entries to prevent racing when reading LDT
information from the host.

The locking is somewhat more careful than my previous attempt.  Now, only
the check of host_ldt_entries is locked.  The lock is dropped immediately
afterwards, and if the LDT needs initializing, that (and the memory
allocations needed) proceed outside the lock.

Also fixed some style violations.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-01 14:53:38 -08:00
David Howells fa6427542c [PATCH] FRV: No ZONE_DMA
FRV does not require a ZONE_DMA, so all DMA'able pages that aren't highmem
should be in ZONE_NORMAL.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-01 14:53:36 -08:00
Adrian Bunk 5357fc1450 [PATCH] arch/arm26/kernel/entry.S: remove dead code
CONFIG_ALIGNMENT_TRAP is never set on arm26.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-01 14:53:35 -08:00
John Keller 3fd0b2d9ad ACPI: Altix: reinitialize acpi tables
To provide compatibilty with SN kernels that do and do not
have ACPI IO support, the SN PROM must build different
versions of some ACPI tables based on which kernel is booting.
As such, the tables may have to change at kernel boot time.
By default, prior to kernel boot, the PROM builds an empty
DSDT (header only) and no SSDTs. If an ACPI capable kernel
boots, the kernel will notify the PROM, at platform setup time,
and the PROM will build full DSDT and SSDT tables.

With the latest changes to acpi_table_init(), the table lengths
are saved, and when our PROM changes them, the changes are not seen,
and the kernel will crash on boot. Because of issues with kexec support,
we are not able to create the tables prior to acpi_table_init().
As a result, we are making a second call to acpi_table_init() to
process the rebuilt DSDT and SSDTs.

Signed-off-by: John Keller <jpk@sgi.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2007-03-01 02:32:58 -05:00
David S. Miller 5f1ef5108a [SPARC64]: Update defconfig.
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-28 09:51:15 -08:00
Eric W. Biederman 2ff7354fe8 [PATCH] x86_64/i386 irq: Fix !CONFIG_SMP compilation
When removing set_native_irq I missed the fact that it was
called in a couple of places that were compiled even when
SMP support is disabled.  And since the irq_desc[].affinity
field only exists in SMP things broke.

Thanks to Simon Arlott <simon@arlott.org> for spotting this.

There are a couple of ways to fix this but the simplest one
is to just remove the assignments.  The affinity field is only
used to display a value to the user, and nothing on either i386
or x86_64 reads it or depends on it being any particlua value,
so skipping the assignment is safe.  The assignment that
is being removed is just for the initial affinity value before
the user explicitly sets it.  The irq_desc array initializes
this field to CPU_MASK_ALL so the field is initialized to
a reasonable value in the SMP case without being set.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-28 08:52:31 -08:00
David S. Miller bb4c18cbba [SPARC64]: Fix PCI interrupts on E450 et al.
When the PCI controller OBP node lacks an interrupt-map
and interrupt-map-mask property, we need to form the
INO by hand.  The PCI swizzle logic was not doing that
properly.

This was a regression added by the of_device code.

Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-27 09:46:52 -08:00
Kyle McMartin 01363220f5 [PARISC] clocksource: Move update_cr16_clocksource later in boot
smp_cpus_done is too early for us... before we even do a device
inventory! Move update_cr16_clocksource into the tail end of
processor_probe() and stub it out on CONFIG_SMP=n builds.

Verified that clocksource0 is properly updated to use jiffies
on an SMP build.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2007-02-26 22:21:22 -05:00
Kyle McMartin b2a8289a61 [PARISC] time: clocksource lost update_callback
So move the code to be called by smp_cpus_done, which is
after we've figured out if there's more than one cpu
actually present.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2007-02-26 21:24:56 -05:00
Kyle McMartin 87c8174727 [PARISC] time: Convert clocksource is_continuous to flag
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2007-02-26 20:15:18 -05:00
Kyle McMartin 00d1f3c31a [PARISC] clocksource_cr16: Use clocksource_change_rating()
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2007-02-26 20:10:42 -05:00
Kyle McMartin 0ff851e190 [PARISC] Remove __read_mostly annotation from command_line
Who cares if it's in the read mostly section when it's
going to be discarded anyway?

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
2007-02-26 20:08:46 -05:00
Ralf Baechle c68644d330 [MIPS] Make SMTC_IDLE_HOOK_DEBUG a proper option in Kconfig.debug.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:06 +00:00
Ralf Baechle e016c38d18 [MIPS] Fix foobar in wiring up compat_sys_epoll_pwait syscall.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:06 +00:00
Ralf Baechle b772e6d272 [MIPS] Always fixup unaligned accesses in kernel mode.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:06 +00:00
Thomas Bogendoerfer 9b43fb6bc1 [MIPS] Fix dma_sync_*_for_device() functions
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:06 +00:00
Thomas Bogendoerfer f13cc01d8d [MIPS] SNI: MIPS_CPU_IRQ_BASE cleanup
Use MIPS_CPU_IRQ_BASE instead of own define.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:06 +00:00
Ralf Baechle 3dac2561e2 [MIPS] RTLX: Delete multiple definition of ret shaddowing each other.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:06 +00:00
Ralf Baechle c4c4018b04 [MIPS] RTLX, VPE: Make open actually atomic.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:06 +00:00
Thomas Koeller cbc8413567 [MIPS] excite: Set serial driver iotype to UPIO_RM9000
Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:06 +00:00
Thomas Koeller be91589ee8 [MIPS] excite: Rename CONFIG option
This change is purely cosmetical.

Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:05 +00:00
Atsushi Nemoto 4419708807 [MIPS] Mark pcibios_fixup_device_resources() as __devinit
pcibios_fixup_device_resources() is called by pcibios_fixup_bus() which is
marked as __devinit.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:05 +00:00
Atsushi Nemoto d2af363cfb [MIPS] Kill redundant EXTRA_AFLAGS
Many Makefiles in arch/mips have EXTRA_AFLAGS := $(CFLAGS) line.  This
is redundant while AFLAGS contains $(cflags-y) and any options only
listed in CFLAGS (not in cflags-y) should be unnecessary for asm
sources.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:05 +00:00
Ralf Baechle 67e2cccec6 [MIPS] RTLX: Handle signals when sleeping.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:05 +00:00
Yoichi Yuasa cc39cb15a6 [MIPS] TB0287: Enable SM501 driver support in defconfig
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:04 +00:00
Linus Torvalds 221dee285e Revert "[CPUFREQ] constify cpufreq_driver where possible."
This reverts commit aeeddc1435, which was
half-baked and broken.  It just resulted in compile errors, since
cpufreq_register_driver() still changes the 'driver_data' by setting
bits in the flags field.  So claiming it is 'const' _really_ doesn't
work.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 14:55:48 -08:00
Linus Torvalds 6f8c480f99 Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq
* master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq:
  [CPUFREQ] constify some data tables.
  [CPUFREQ] constify cpufreq_driver where possible.
  {rd,wr}msr_on_cpu SMP=n optimization
  [CPUFREQ] cpufreq_ondemand.c: don't use _WORK_NAR
  rdmsr_on_cpu, wrmsr_on_cpu
  [CPUFREQ] Revert default on deprecated config X86_SPEEDSTEP_CENTRINO_ACPI
2007-02-26 14:17:50 -08:00
Linus Torvalds 038c068f63 Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] CLPS7500 doesn't have IO ports
  [ARM] Fix more apm-emulation.h
  [ARM] 4234/1: Introduce get_irqnr_preamble and arch_ret_to_user for ns9xxx.
  [ARM] 4233/1: nand/s3c2410.c: warning fix
  [ARM] 4226/1: initial .data and .bss mappings of XIP kernel should be TEXT_OFFSET
  [ARM] 4224/2: allow XIP kernel to boot again
  [ARM] 4232/1: AT91: Generic GPIO bug
  [ARM] 4231/1: AT91: Merge and typo fixes.
  [ARM] 4229/1: S3C2410: Add MACH_QT2410 to s3c2410_defconfig
  [ARM] 4228/2: S3C24XX: update s3c2410_defconfig for 2.6.21-rc1
2007-02-26 13:19:17 -08:00
Russell King e41698894d [ARM] CLPS7500 doesn't have IO ports
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-26 21:07:30 +00:00
Russell King 61fde514c2 [ARM] Fix more apm-emulation.h
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-26 21:04:29 +00:00
Ingo Molnar 25165120f2 [PATCH] x86: add -freg-struct-return to CFLAGS
Jeremy Fitzhardinge suggested the use of -freg-struct-return, which does
structure-returns (such as when using pte_t) in registers instead of on
the stack.

that is indeed so, and this option reduced the kernel size a bit:

    text    data     bss     dec     hex filename
 4799506  543456 3760128 9103090  8ae6f2 vmlinux.before
 4798117  543456 3760128 9101701  8ae185 vmlinux.after

the resulting kernel booted fine on my testbox. Lets go for it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 12:53:30 -08:00
Linus Torvalds b0138a6cb7 Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6: (78 commits)
  [PARISC] Use symbolic last syscall in __NR_Linux_syscalls
  [PARISC] Add missing statfs64 and fstatfs64 syscalls
  Revert "[PARISC] Optimize TLB flush on SMP systems"
  [PARISC] Compat signal fixes for 64-bit parisc
  [PARISC] Reorder syscalls to match unistd.h
  Revert "[PATCH] make kernel/signal.c:kill_proc_info() static"
  [PARISC] fix sys_rt_sigqueueinfo
  [PARISC] fix section mismatch warnings in harmony sound driver
  [PARISC] do not export get_register/set_register
  [PARISC] add ENTRY()/ENDPROC() and simplify assembly of HP/UX emulation code
  [PARISC] convert to use CONFIG_64BIT instead of __LP64__
  [PARISC] use CONFIG_64BIT instead of __LP64__
  [PARISC] add ASM_EXCEPTIONTABLE_ENTRY() macro
  [PARISC] more ENTRY(), ENDPROC(), END() conversions
  [PARISC] fix ENTRY() and ENDPROC() for 64bit-parisc
  [PARISC] Fixes /proc/cpuinfo cache output on B160L
  [PARISC] implement standard ENTRY(), END() and ENDPROC()
  [PARISC] kill ENTRY_SYS_CPUS
  [PARISC] clean up debugging printks in smp.c
  [PARISC] factor syscall_restart code out of do_signal
  ...

Fix conflict in include/linux/sched.h due to kill_proc_info() being made
publicly available to PARISC again.
2007-02-26 12:48:06 -08:00
Linus Torvalds c90c69a508 Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC] uctrl: Check request_irq() return value.
  [SPARC64]: Update defconfig.
  [SPARC64] bbc_i2c: Fix kenvctrld eating %100 cpu.
  [SPARC64]: Fix arch_teardown_msi_irq().
  [SPARC64]: virt_irq_free only needed when CONFIG_PCI_MSI
  [SPARC]: Remove the broken SUN_AURORA driver.
2007-02-26 12:06:08 -08:00
Linus Torvalds 63ae0e5be3 Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Fix port 0 mac address for mips mv6434x platforms
  [SERIAL] serial_txx9 driver update
  Revert "[PATCH] Generic ioremap_page_range: mips conversion"
  [MIPS] Cobalt: Rename "Colo" MTD partition to "firmware".
  [MIPS] SMP: Get smp_tune_scheduling to do something useful.
  [MIPS] Add basic SMARTMIPS ASE support
2007-02-26 11:40:46 -08:00
David S. Miller c5b002c1bf [SPARC64]: Update defconfig.
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-26 11:35:50 -08:00
David S. Miller abfd336cd7 [SPARC64]: Fix arch_teardown_msi_irq().
Need to use get_irq_msi() not get_irq_data().

Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-26 11:35:48 -08:00
David S. Miller 5746c99dfa [SPARC64]: virt_irq_free only needed when CONFIG_PCI_MSI
Noticed by Meelis Roos.

Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-26 11:35:46 -08:00
Eric W. Biederman 610142927b [PATCH] x86_64 irq: Safely cleanup an irq after moving it.
The problem:  After moving an interrupt when is it safe to teardown
the data structures for receiving the interrupt at the old location?

With a normal pci device it is possible to issue a read to a device
to flush all posted writes.  This does not work for the oldest ioapics
because they are on a 3-wire apic bus which is a completely different
data path.  For some more modern ioapics when everything is using
front side bus delivery you can flush interrupts by simply issuing a
read to the ioapic.  For other modern ioapics emperical testing has
shown that this does not work.

So it appears the only reliable way to know the last of the irqs from an
ioapic have been received from before the ioapic was reprogrammed is to
received the first irq from the ioapic from after it was reprogrammed.

Once we know the last irq message has been received from an ioapic
into a local apic we then need to know that irq message has been
processed through the local apics.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:08 -08:00
Eric W. Biederman bc5e81a151 [PATCH] x86_64 irq: Add constants for the reserved IRQ vectors.
For the ISA irqs we reserve 16 vectors.  This patch adds constants for
those vectors and modifies the code to use them.  Making the code a
little clearer and making it possible to move these vectors in the future.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:08 -08:00
Eric W. Biederman b93179bdfc [PATCH] x86_64 irq: Remove unnecessary irq 0 setup.
The code in io_apic.c and in i8259.c currently hardcode the same
vector for the timer interrupt so there is no reason for a special
assignment for the timer as the setup for the i8259 already takes care
of this.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:08 -08:00
Eric W. Biederman dfbffdd81c [PATCH] x86_64 irq: Simplify assign_irq_vector's arguments.
Currently assign_irq_vector works mostly by side effect and returns
the results of it's changes to the caller.  Which makes for a lot of
arguments to pass/return and confusion as to what to do if you need
the status but you aren't calling assign_irq_vector.

This patch stops returning values from assign_irq_vector that can be
retrieved just as easily by examining irq_cfg, and modifies the
callers to retrive those values from irq_cfg when they need them.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:08 -08:00
Eric W. Biederman 13a79503ab [PATCH] x86_64 irq: Begin consolidating per_irq data in structures.
Currently the io_apic.c has several parallel arrays for different
kinds of data that can be know about an irq.  The parallel arrays
make the code harder to maintain and make it difficult to remove
the static limits on the number of the number of irqs.

This patch pushes irq_data and irq_vector into a irq_cfg array and
updates the code to use it.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:08 -08:00
Eric W. Biederman e273d140d9 [PATCH] x86_64 irq: Use NR_IRQS not NR_IRQ_VECTORS
NR_IRQ_VECTORS is currently a compatiblity define set to NR_IRQs.
This patch updates the users of NR_IRQ_VECTORS to use NR_IRQs instead
so that NR_IRQ_VECTORS can be removed.

There is still shared code with arch/i386 that uses NR_IRQ_VECTORS
so we can't remove the #define just yet :(

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:08 -08:00
Eric W. Biederman f45bcd7022 [PATCH] x86_64 irq: In __DO_ACTION perform the FINAL action for every entry.
If we have an irq that comes from multiple io_apic pins the FINAL action
(which is io_apic_sync or nothing) needs to be called for every entry or
else if the two pins come from different io_apics we may not wait until
after the action happens on the io_apic.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:08 -08:00
Eric W. Biederman 5ff5115efa [PATCH] x86_64 irq: Simplfiy the set_affinity logic.
For some reason the code has been picking TARGET_CPUS when asked to
set the affinity to an empty set of cpus.  That is just silly it's
extra work.  Instead if there are no cpus to set the affinity to we
should just give up immediately.  That is simpler and a little more
intuitive.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:08 -08:00
Eric W. Biederman a8c8a36736 [PATCH] x86_64 irq: Refactor setup_IO_APIC_irq
Currently we have two routines that do practically the same thing
setup_IO_APIC_irq and io_apic_set_pci_routing.  This patch makes
setup_IO_APIC_irq the common factor of these two previous routines.
For setup_IO_APIC_irq all that was needed was to pass the trigger
and polarity to make the code a proper subset of io_apic_set_pci_routing.

Hopefully consolidating these two routines will improve maintenance
there were several differences that simply appear to be one routine
or the other getting it wrong.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:07 -08:00
Eric W. Biederman a27bc06dd8 [PATCH] x86_64 irq: Remove the unused vector parameter from ioapic_register_intr
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:07 -08:00
Eric W. Biederman e560c8bd86 [PATCH] x86_64 irq: Kill declaration of removed array, interrupt
It's dead Jim.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:07 -08:00
Eric W. Biederman 9f0a5ba550 [PATCH] irq: Remove set_native_irq_info
This patch replaces all instances of "set_native_irq_info(irq, mask)"
with "irq_desc[irq].affinity = mask".  The latter form is clearer
uses fewer abstractions, and makes access to this field uniform
accross different architectures.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:07 -08:00
Eric W. Biederman fc5d56f987 [PATCH] x86_64 irq: Simplfy __assign_irq_vector
By precomputing old_mask I remove an extra if statement, remove an
indentation level and make the code slightly easier to read.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 10:34:07 -08:00
Linus Torvalds ea3d5226f5 Revert "[PATCH] i386: add idle notifier"
This reverts commit 2ff2d3d747.

Uwe Bugla reports that he cannot mount a floppy drive any more, and Jiri
Slaby bisected it down to this commit.

Benjamin LaHaise also points out that this is a big hot-path, and that
interrupt delivery while idle is very common and should not go through
all these expensive gyrations.

Fix up conflicts in arch/i386/kernel/apic.c and arch/i386/kernel/irq.c
due to other unrelated irq changes.

Cc: Stephane Eranian <eranian@hpl.hp.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Andrew Morton <akpm@osdl.org>
Cc: Uwe Bugla <uwe.bugla@gmx.de>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-26 09:21:46 -08:00
Nicolas Pitre ec3622d963 [ARM] 4226/1: initial .data and .bss mappings of XIP kernel should be TEXT_OFFSET
aware

Since TEXT_OFFSET is meant to determine RAM location for kernel use,
itshould affect .data and .bss initial mapping in the XIP case.
Otherwise a XIP kernel would crash if TEXT_OFFSET gets somewhat larger
than 2MB.

Corresponding code is also moved up a bit to be near the similar .text
mapping code making the whole a bit more straight forward to understand.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-25 16:41:39 +00:00
Nicolas Pitre e98ff7f6d8 [ARM] 4224/2: allow XIP kernel to boot again
Since commit 2552fc27ff XIP kernels failed
to boot because (_end - PAGE_OFFSET - 1) is much smaller than the size
of the kernel text and data in the XIP case, causing the kernel not to
be entirely mapped.

Even in the non-XIP case, the use of (_end - PAGE_OFFSET - 1) is wrong
because it produces a too large value if TEXT_OFFSET is larger than 1MB.

Finally the original code was performing one loop too many.

Let's break the loop when the section pointer has passed the last byte
of the kernel instead.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-25 16:41:38 +00:00
John Keller 690b8d9d54 ACPI: Altix: cannot register acpi bus driver before bus scan
SN code to initialize the Hub/TIO infrastructure needs to
execute before bus scanning. This was previously done with
an early call to acpi_bus_register_driver().  But now that
ACPI is using the Linux driver model, a driver cannot be registered
that early. Make changes to have the init routines invoked via
calls to acpi_get_devices().

Signed-off-by: John Keller <jpk@sgi.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-23 23:06:59 -05:00
Dave Jones bd5ab26a7d [CPUFREQ] constify some data tables.
Signed-off-by: Dave Jones <davej@redhat.com>
2007-02-22 19:11:16 -05:00
Dave Jones aeeddc1435 [CPUFREQ] constify cpufreq_driver where possible.
Not all cases are possible due to ->flags being set at runtime
on some drivers.

Signed-off-by: Dave Jones <davej@redhat.com>
2007-02-22 19:08:27 -05:00
Andrew Victor 0ebffe39f8 [ARM] 4232/1: AT91: Generic GPIO bug
The new gpio_direction_input() and gpio_direction_output() functions
were both enabling output mode.  When configuring a GPIO for input mode,
you need to program the ODR (Output Disable Register).

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-22 14:53:32 +00:00
Andrew Victor 7f6e2d992d [ARM] 4231/1: AT91: Merge and typo fixes.
The duplicate file "include/asm-arm/arch-at91rm9200/entry-macro.S" can
be removed - it was already moved to include/asm-arm/arch-at91/.

Fix 3 small typo's - two in comments, and the incorrect clock was
specified for the LCD device.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-22 14:53:30 +00:00
Ben Dooks f8dbf45fab [ARM] 4229/1: S3C2410: Add MACH_QT2410 to s3c2410_defconfig
Add the Armzone QT2410 to the list of built
machines in the s3c2410_defconfig

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-22 14:53:25 +00:00
Ben Dooks b9c28081a7 [ARM] 4228/2: S3C24XX: update s3c2410_defconfig for 2.6.21-rc1
Udpate s3c2410_defconfig for 2.6.21-rc1

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2007-02-22 14:53:24 +00:00
Dale Farnsworth 2e8e2d49b1 [MIPS] Fix port 0 mac address for mips mv6434x platforms
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-22 00:50:45 +00:00
Ralf Baechle 5ce704f877 Revert "[PATCH] Generic ioremap_page_range: mips conversion"
The generic version truncates addresses.

This reverts commit 8e087929df.
2007-02-22 00:50:45 +00:00
Ralf Baechle 0eb9d788f2 [MIPS] Cobalt: Rename "Colo" MTD partition to "firmware".
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-22 00:50:45 +00:00
Ralf Baechle de7fa296b6 [MIPS] SMP: Get smp_tune_scheduling to do something useful.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-22 00:50:45 +00:00
Franck Bui-Huu 9693a85378 [MIPS] Add basic SMARTMIPS ASE support
This patch adds trivial support for SMARTMIPS extension. This extension
is currently implemented by 4KS[CD] CPUs.

Basically it saves/restores ACX register, which is part of the SMARTMIPS
ASE, when needed. This patch does *not* add any support for Smartmips MMU
features.

Futhermore this patch does not add explicit support for 4KS[CD] CPUs since
they are respectively mips32 and mips32r2 compliant.  So with the current
processor configuration, a platform that has such CPUs needs to select
both configs:

	CPU_HAS_SMARTMIPS
	SYS_HAS_CPU_MIPS32_R[12]

This is due to the processor configuration which is mixing up all the
architecture variants and the processor types.

The drawback of this, is that we currently pass '-march=mips32' option to
gcc when building a kernel instead of '-march=4ksc' for 4KSC case. This
can lead to a kernel image a little bit bigger than required.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-22 00:50:44 +00:00
Guy Martin 2ed0e24359 [PARISC] Add missing statfs64 and fstatfs64 syscalls
Signed-off-by: Guy Martin <gmsoft@tuxicoman.be>
2007-02-21 15:33:59 +00:00
Michael Holzheu 4562c9fffc [S390] Replace $(ARCH) macros in Makefile
Since $(ARCH) is always "s390" we can replace it with "s390".

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:46 +01:00
Heiko Carstens 615b04b301 [S390] nss: Free unused memory in kernel image.
With CONFIG_SHARED_KERNEL the kernel text segment that might be in a
read only memory sections starts at 1MB. Memory between 0x12000 and
0x100000 is unused then. Free this, so we have appr. an extra MB
of memory available.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:37 +01:00
Heiko Carstens 229d9c6dfb [S390] bss section clearing.
Clear only memory from __bss_start to __bss_stop when clearing the bss
section. Not until _end, which currently happens to be the same.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:29 +01:00
Michael Holzheu 2b93293675 [S390] Remove BUG() statement
To avoid ugly warings for older gccs, we replace
BUG() with "return NULL", which is just as well.

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:24 +01:00
Michael Holzheu 46b05d2617 [S390] New header file ipl.h
Setup.h has been misused for ipl related stuff in the past. We now move
everything, which has to do with ipl and reipl to a new header file named
"ipl.h".

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:21 +01:00
Michael Holzheu 72960a02c2 [S390] New get_cpu_id() inline assembly
Replace two stidp inline assemblies with one global implementation.

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:18 +01:00
Heiko Carstens 6c732de2d3 [S390] etr: Add barrier() to etr_sync_cpu_start().
Force reading of *in_sync in while loop. Loops where the content that
is checked for is changed by a different cpu always should have some
sort of barrier() semantics.
Otherwise this might lead to very subtle bugs.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:15 +01:00
Heiko Carstens 118bcd31b3 [S390] Optional ZONE_DMA for s390.
Disable ZONE_DMA on 31-bit. All memory is addressable by all
devices and we do not need any special memory pool.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:12 +01:00
Jan Glauber 63db6e8d41 [S390] smp_call_function cleanup
Introduce __smp_call_function_map which calls a function on all cpus
given with a cpumask_t. Use it to implement smp_call_function and
smp_call_function_on. Replace smp_ext_bitcall_others with smp_ext_bitcall
and a for_each_cpu_mask loop. Use a cpumask_t instead of an atomic_t for
cpu counting and print a warning if preempt is on in
__smp_call_function_map().

Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:06 +01:00
Martin Schwidefsky bf6f6aa46f [S390] prevent softirqs if delay is called disabled
The new delay implementation uses the clock comparator and an external
interrupt even if it is called disabled for interrupts. To do this
all external interrupt source except clock comparator are switched of
before enabling external interrupts. The external interrupt at the
end of the delay period may not execute softirqs or we can end up in a
dead-lock.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:55:00 +01:00
Martin Schwidefsky 489c80ba8a [S390] update default configuration
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-02-21 10:54:57 +01:00
Philipp Zabel 5b7e42b2d3 [PATCH] GPIO API: SA1100 wrapper cleanup
Based on the discussion last december (http://lkml.org/lkml/2006/12/20/241),
this patch
  - adds gpio_direction_input/output functions to
    generic.c instead of making them inline,
  - fixes comment and includes and uses inline functions
    instead of macros in gpio.h

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-20 17:10:16 -08:00
Philipp Zabel 3deac046e2 [PATCH] GPIO API: PXA wrapper cleanup
Based on the discussion last december (http://lkml.org/lkml/2006/12/20/242),
this patch:

  - moves the PXA_LAST_GPIO check into pxa_gpio_mode
  - fixes comment and includes in gpio.h
  - replaces the gpio_set/get_value macros with inline
    functions and adds a non-inline version to avoid
    code explosion when gpio is not a constant.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Nicolas Pitre <nico@cam.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-20 17:10:16 -08:00
Linus Torvalds e696268a73 Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 4165/1: S3C24XX: Select CONFIG_NO_IOPORT
  [ARM] Fix s3c2410 ALSA audio for typedef elimination
  [ARM] Fix ARM AACI ALSA driver
  [ARM] fix mach-at91 build breakage
  [ARM] Fix jornada720 build errors
  [ARM] Fix iop13xx build error
  [ARM] Fix build error caused by move of apm
  [ARM] 4223/1: ixdp2351 : Fix for a define error
  [ARM] 4187/1: iop: unify time implementation across iop32x, iop33x, and iop13xx
  [ARM] 4186/1: iop: remove cp6_enable/disable routines
  [ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user
2007-02-20 12:14:32 -08:00
Adrian Bunk b44755cfaa {rd,wr}msr_on_cpu SMP=n optimization
Let's save a few bytes in the CONFIG_SMP=n case.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Dave Jones <davej@redhat.com>
2007-02-20 14:29:37 -05:00
Alexey Dobriyan b077ffb3b7 rdmsr_on_cpu, wrmsr_on_cpu
There was OpenVZ specific bug rendering some cpufreq drivers unusable on SMP.
In short, when cpufreq code thinks it confined itself to needed cpu by means
of set_cpus_allowed() to execute rdmsr, some "virtual cpu" feature can migrate
process to anywhere.  This triggers bugons and does wrong things in general.

This got fixed by introducing rdmsr_on_cpu and wrmsr_on_cpu executing rdmsr
and wrmsr on given physical cpu by means of smp_call_function_single().

Dave Jones mentioned cpufreq might be not only user of rdmsr_on_cpu() and
wrmsr_on_cpu(), so I'm putting them into arch/{i386,x86_64}/lib/ .

Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
2007-02-20 14:23:43 -05:00
Thomas Renninger 22f7bb0329 [CPUFREQ] Revert default on deprecated config X86_SPEEDSTEP_CENTRINO_ACPI
Revert default on deprecated config X86_SPEEDSTEP_CENTRINO_ACPI

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>

 arch/i386/kernel/cpu/cpufreq/Kconfig |    1 -
 arch/x86_64/kernel/cpufreq/Kconfig   |    1 -
 2 files changed, 2 deletions(-)
2007-02-20 14:23:43 -05:00
Russell King 5a84d15906 Merge ARM fixes 2007-02-20 19:13:30 +00:00