Commit Graph

334503 Commits

Author SHA1 Message Date
Piotr Haber 1fffa905ad bcma: fix unregistration of cores
When cores are unregistered, entries
need to be removed from cores list in a safe manner.

Reported-by: Stanislaw Gruszka <sgruszka@redhat.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Piotr Haber <phaber@broadcom.com>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-15 14:45:51 -04:00
Felix Fietkau d4fa14cd62 mac80211: use ieee80211_free_txskb in a few more places
Free tx status skbs when draining power save buffers, pending frames, or
when tearing down a vif.
Fixes remaining conditions that can lead to hostapd/wpa_supplicant hangs when
running out of socket write memory.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-15 14:45:50 -04:00
Dan Carpenter 3e4f319dac brcmfmac: fix end of loop check (signedness bug)
The problem here is that we loop until "remained_buf_len" is less than
zero, but since it is unsigned, it never is.

"remained_buf_len" has to be large enough to hold the value from
"mgmt_ie_buf_len".  That variable is type u32, but it only holds small
values so I have changed to both variables to int.

Also I removed the bogus initialization from "mgmt_ie_buf_len" so that
GCC can detect if it is used unitialized.  I moved the declaration of
"remained_buf_len" closer to where it is used so it's easier to read.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-15 14:45:34 -04:00
Franky Lin 5dd161ff7b brcmfmac: set dongle mode accordingly when interface up
The mode of WiFi dongle should be initialized in brcmf_cfg80211_up
which get called when network interface is brought up. Otherwise
brcmf_cfg80211_get_station would return error.

Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-15 14:42:54 -04:00
Franky Lin a180b83bb1 brcmfmac: use control channel in roamed status reporting
Channel reported in scan results passed to cfg80211 is control
channel. But chanspec is reported while notifying cfg80211 about
roamed update. Cfg80211 complains because it could not find the
bss in the list. Report control channel while calling
cfg80211_roamed.

Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-15 14:42:53 -04:00
Hante Meuleman e270b302e4 brcmfmac: handle all exceptions as an error.
in brcmf_usb_probe_cb only return code ENOLINK was seen as an
error. This is wrong, all error codes should be returned to usb
subsystem.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-15 14:42:53 -04:00
Stanislaw Gruszka 4045f72bcf mac80211: check if key has TKIP type before updating IV
This patch fix corruption which can manifest itself by following crash
when switching on rfkill switch with rt2x00 driver:
https://bugzilla.redhat.com/attachment.cgi?id=615362

Pointer key->u.ccmp.tfm of group key get corrupted in:

ieee80211_rx_h_michael_mic_verify():

        /* update IV in key information to be able to detect replays */
        rx->key->u.tkip.rx[rx->security_idx].iv32 = rx->tkip_iv32;
        rx->key->u.tkip.rx[rx->security_idx].iv16 = rx->tkip_iv16;

because rt2x00 always set RX_FLAG_MMIC_STRIPPED, even if key is not TKIP.

We already check type of the key in different path in
ieee80211_rx_h_michael_mic_verify() function, so adding additional
check here is reasonable.

Cc: stable@vger.kernel.org # 3.0+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-15 14:42:53 -04:00
John W. Linville 3d02a9265c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth 2012-10-15 14:34:23 -04:00
Thomas Friebel 8ad33cdf97 drm/radeon: fix spelling typos in debugging output
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-10-15 13:21:02 -04:00
Egbert Eich 0829184711 drm/radeon: Don't destroy I2C Bus Rec in radeon_ext_tmds_enc_destroy().
radeon_i2c_fini() walks thru the list of I2C bus recs rdev->i2c_bus[]
to destroy each of them.
radeon_ext_tmds_enc_destroy() however also has code to destroy it's
associated I2C bus rec which has been obtained by radeon_i2c_lookup()
and is therefore also in the i2c_bus[] list.
This causes a double free resulting in a kernel panic when unloading
the radeon driver.
Removing destroy code from radeon_ext_tmds_enc_destroy() fixes this
problem.

agd5f: fix compiler warning

Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2012-10-15 13:21:02 -04:00
Alex Deucher 3691feea98 drm/radeon: check if pcie gen 2 is already enabled (v2)
If so, skip enabling it to save time.

v2: coding style fixes

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-10-15 13:21:02 -04:00
Alex Deucher c1a7ca0de3 drm/radeon/cayman: set VM max pfn at MC init
No need to emit them at VM flush as we no longer use
variable sized page tables now that we support 2 level
page tables.  This matches the behavior of SI (which
does not support variable sized page tables).

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2012-10-15 13:21:01 -04:00
Christian König 13e55c38f8 drm/radeon: separate pt alloc from lru add
Make it possible to allocate a persistent page table.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-10-15 13:21:01 -04:00
Christian König d72d43cfc5 drm/radeon: don't add the IB pool to all VMs v2
We want to use VMs without the IB pool in the future.

v2: also remove it from radeon_vm_finish.

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-10-15 13:21:01 -04:00
Christian König 90a51a3292 drm/radeon: allocate page tables on demand v4
Based on Dmitries work, but splitting the code into page
directory and page table handling makes it far more
readable and (hopefully) more reliable.

Allocations of page tables are made from the SA on demand,
that should still work fine since all page tables are of
the same size.

Also using the fact that allocations from the SA are mostly
continuously (except for end of buffer wraps and under very
high memory pressure) to group updates send to the chipset
specific code into larger chunks.

v3: mostly a rewrite of Dmitries previous patch.
v4: fix some typos and coding style

Signed-off-by: Dmitry Cherkasov <Dmitrii.Cherkasov@amd.com>
Signed-off-by: Christian König <deathsimple@vodafone.de>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-10-15 13:21:01 -04:00
Alex Deucher 23d4f1f246 drm/radeon: update comments to clarify VM setup (v2)
The actual set up and assignment of VM page tables
is done on the fly in radeon_gart.c.

v2: update vm size comments

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2012-10-15 13:21:00 -04:00
Alex Deucher 29dbe3bcd2 drm/radeon: allocate PPLLs from low to high
The order shouldn't matter, but there have been problems
reported on certain older asics.  This behaves more
like the original code before the PPLL allocation
rework.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc:  Markus Trippelsdorf <markus@trippelsdorf.de>
2012-10-15 13:21:00 -04:00
Alex Deucher cd23492af3 drm/radeon: fix compilation with backlight disabled
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-10-15 13:21:00 -04:00
Luca Tettamanti a1871936c0 drm/radeon: use %zu for formatting size_t
Fixes compiler warnings on 32bit.

Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-10-15 13:21:00 -04:00
Stanislaw Gruszka 6863255bd0 cfg80211/mac80211: avoid state mishmash on deauth
Avoid situation when we are on associate state in mac80211 and
on disassociate state in cfg80211. This can results on crash
during modules unload (like showed on this thread:
http://marc.info/?t=134373976300001&r=1&w=2) and possibly other
problems.

Reported-by: Pedro Francisco <pedrogfrancisco@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-10-15 17:21:34 +02:00
Johannes Berg df9b42963f Merge remote-tracking branch 'wireless/master' into mac80211 2012-10-15 17:20:54 +02:00
Randy Dunlap 29bb4cc5e0 docbook: networking: fix file paths for uapi headers
Update file paths in Documentation/DocBook/networking.tmpl for uapi headers.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-15 08:04:41 -07:00
Ralf Baechle 325adeb55e mm: huge_memory: Fix build error.
Certain configurations won't implicitly pull in <linux/pagemap.h> resulting
in the following build error:

  mm/huge_memory.c: In function 'release_pte_page':
  mm/huge_memory.c:1697:2: error: implicit declaration of function 'unlock_page' [-Werror=implicit-function-declaration]
  mm/huge_memory.c: In function '__collapse_huge_page_isolate':
  mm/huge_memory.c:1757:3: error: implicit declaration of function 'trylock_page' [-Werror=implicit-function-declaration]
  cc1: some warnings being treated as errors

Reported-by: David Daney <david.daney@cavium.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-15 07:59:15 -07:00
Russell King 68687c842c ARM: fix oops on initial entry to userspace with Thumb2 kernels
Daniel Mack reports an oops at boot with the latest kernels:

  Internal error: Oops - undefined instruction: 0 [#1] SMP THUMB2
  Modules linked in:
  CPU: 0    Not tainted  (3.6.0-11057-g584df1d #145)
  PC is at cpsw_probe+0x45a/0x9ac
  LR is at trace_hardirqs_on_caller+0x8f/0xfc
  pc : [<c03493de>]    lr : [<c005e81f>]    psr: 60000113
  sp : cf055fb0  ip : 00000000  fp : 00000000
  r10: 00000000  r9 : 00000000  r8 : 00000000
  r7 : 00000000  r6 : 00000000  r5 : c0344555  r4 : 00000000
  r3 : cf057a40  r2 : 00000000  r1 : 00000001  r0 : 00000000
  Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM Segment user
  Control: 50c5387d  Table: 8f3f4019  DAC: 00000015
  Process init (pid: 1, stack limit = 0xcf054240)
  Stack: (0xcf055fb0 to 0xcf056000)
  5fa0:                                     00000001 00000000 00000000 00000000
  5fc0: cf055fb0 c000d1a8 00000000 00000000 00000000 00000000 00000000 00000000
  5fe0: 00000000 be9b3f10 00000000 b6f6add0 00000010 00000000 aaaabfaf a8babbaa

The analysis of this is as follows.  In init/main.c, we issue:

	kernel_thread(kernel_init, NULL, CLONE_FS | CLONE_SIGHAND);

This creates a new thread, which falls through to the ret_from_fork
assembly, with r4 set NULL and r5 set to kernel_init.  You can see
this in your oops dump register set - r5 is 0xc0344555, which is the
address of kernel_init plus 1 which marks the function as Thumb code.

Now, let's look at this code a little closer - this is what the
disassembly looks like:

  c000d180 <ret_from_fork>:
  c000d180:       f03a fe08       bl      c0047d94 <schedule_tail>
  c000d184:       2d00            cmp     r5, #0
  c000d186:       bf1e            ittt    ne
  c000d188:       4620            movne   r0, r4
  c000d18a:       46fe            movne   lr, pc <-- XXXXXXX
  c000d18c:       46af            movne   pc, r5
  c000d18e:       46e9            mov     r9, sp
  c000d190:       ea4f 3959       mov.w   r9, r9, lsr #13
  c000d194:       ea4f 3949       mov.w   r9, r9, lsl #13
  c000d198:       e7c8            b.n     c000d12c <ret_to_user>
  c000d19a:       bf00            nop
  c000d19c:       f3af 8000       nop.w

This code was introduced in 9fff2fa0db (arm: switch to saner
kernel_execve() semantics).  I have marked one instruction, and it's
the significant one - I'll come back to that later.

Eventually, having had a successful call to kernel_execve(), kernel_init()
returns zero.

In returning, it uses the value in 'lr' which was set by the instruction
I marked above.  Unfortunately, this causes lr to contain 0xc000d18e -
an even address.  This switches the ISA to ARM on return but with a non
word aligned PC value.

So, what do we end up executing?  Well, not the instructions above - yes
the opcodes, but they don't mean the same thing in ARM mode.  In ARM mode,
it looks like this instead:

  c000d18c:       46e946af        strbtmi r4, [r9], pc, lsr #13
  c000d190:       3959ea4f        ldmdbcc r9, {r0, r1, r2, r3, r6, r9, fp, sp, lr, pc}^
  c000d194:       3949ea4f        stmdbcc r9, {r0, r1, r2, r3, r6, r9, fp, sp, lr, pc}^
  c000d198:       bf00e7c8        svclt   0x0000e7c8
  c000d19c:       8000f3af        andhi   pc, r0, pc, lsr #7
  c000d1a0:       e88db092        stm     sp, {r1, r4, r7, ip, sp, pc}
  c000d1a4:       46e81fff                        ; <UNDEFINED> instruction: 0x46e81fff
  c000d1a8:       8a00f3ef        bhi     0xc004a16c
  c000d1ac:       0a0cf08a        beq     0xc03493dc

I have included more above, because it's relevant.  The PSR flags which
we can see in the oops dump are nZCv, so Z and C are set.

All the above ARM instructions are not executed, except for two.
c000d1a0, which has no writeback, and writes below the current stack
pointer (and that data is lost when we take the next exception.) The
other instruction which is executed is c000d1ac, which takes us to...
0xc03493dc.  However, remember that bit 1 of the PC got set.  So that
makes the PC value 0xc03493de.

And that value is the value we find in the oops dump for PC.  What is
the instruction here when interpreted in ARM mode?

       0:       f71e150c                ; <UNDEFINED> instruction: 0xf71e150c

and there we have our undefined instruction (remember that the 'never'
condition code, 0xf, has been deprecated and is now always executed as
it is now being used for additional instructions.)

This path also nicely explains the state of the stack we see in the oops
dump too.

The above is a consistent and sane story for how we got to the oops
dump, which all stems from the instruction at 0xc000d18a being wrong.

Reported-by: Daniel Mack <zonque@gmail.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-15 07:57:34 -07:00
Elison Niven 939ccba437 netfilter: xt_nat: fix incorrect hooks for SNAT and DNAT targets
In (c7232c9 netfilter: add protocol independent NAT core), the
hooks were accidentally modified:

SNAT hooks are POST_ROUTING and LOCAL_IN (before it was LOCAL_OUT).
DNAT hooks are PRE_ROUTING and LOCAL_OUT (before it was LOCAL_IN).

Signed-off-by: Elison Niven <elison.niven@cyberoam.com>
Signed-off-by: Sanket Shah <sanket.shah@cyberoam.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-10-15 13:39:12 +02:00
Pablo Neira Ayuso 0153d5a810 netfilter: xt_CT: fix timeout setting with IPv6
This patch fixes ip6tables and the CT target if it is used to set
some custom conntrack timeout policy for IPv6.

Use xt_ct_find_proto which already handles the ip6tables case for us.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-10-15 13:38:58 +02:00
Linus Walleij 51f58c68a3 pinctrl/nomadik: always use the simple irqdomain
Since the simple irqdomain will fall back to a linear domain
if the first_irq provided is <= 0, just use this, just make
sure the first_irq is negative in the device tree case.

Cc: Rob Herring <rob.herring@calxeda.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 09:09:27 +02:00
Linus Walleij b721370266 pinctrl/nomadik: provide stubs for legacy Nomadik
The compilation of the pinctrl driver failed on the legacy
Nomadik NHK8815 platform because it was not providing the PRCMU
interfaces needed to support the extended alternate functions
used by the ux500 series.

Solve this by providing some stubs for the legacy platform, to
avoid too much #ifdefs in the code per se. Theoretically this
actually allows the Nomadik and Ux500 to have a single kernel
image with support for the PRCM registers on the Ux500 (though
they have incompatible archs, but the spirit is there).

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 09:09:27 +02:00
Wei Yongjun b51b16a36f pinctrl: remove duplicated include from pinctrl-xway.c
Remove duplicated include.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 09:09:27 +02:00
Arnd Bergmann 7bec207427 pinctrl: sirf: remove sirfsoc_gpio_set_pull function
The prima2 platform advertises needing no mach/gpio.h header file,
but its pinctrl driver now has a sirfsoc_gpio_set_pull function
that uses constants defined in arch/arm/mach-prima2/include/mach/gpio.h,
which fails to build.

Fortunately, the sirfsoc_gpio_set_pull is not used anywhere in the
kernel, so we can safely remove it. Any out of tree drivers using
it will have to be converted to use proper pinctrl functions to
do the same.

Without this patch, building prima2_defconfig results in:

drivers/pinctrl/pinctrl-sirf.c: In function 'sirfsoc_gpio_set_pull':
drivers/pinctrl/pinctrl-sirf.c:1331:7: error: 'SIRFSOC_GPIO_PULL_NONE' undeclared (first use in this function)
drivers/pinctrl/pinctrl-sirf.c:1331:7: note: each undeclared identifier is reported only once for each function it appears in
drivers/pinctrl/pinctrl-sirf.c:1334:7: error: 'SIRFSOC_GPIO_PULL_UP' undeclared (first use in this function)
drivers/pinctrl/pinctrl-sirf.c:1338:7: error: 'SIRFSOC_GPIO_PULL_DOWN' undeclared (first use in this function)

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 09:09:27 +02:00
Wei Yongjun 3ee73aa077 pinctrl: fix return value in bcm2835_pinctrl_probe()
In case of error, the function pinctrl_register() returns
NULL not ERR_PTR(). The PTR_ERR() in the return value
should be replaced with error no.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 09:09:27 +02:00
Wei Yongjun 1cd6dc2e3c pinctrl: remove duplicated include from pinctrl-bcm2835.c
Remove duplicated include.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 09:09:27 +02:00
Tobias Klauser 8c6871979d pinctrl: bcm2835: Use existing pointer to struct device
The pointer to "pdev->dev" is already stored in "dev", so use it in
devm_request_and_ioremap().

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 09:09:27 +02:00
Arnd Bergmann 47dbec59c3 pinctrl: samsung: use __devinit section for init code
The samsung pinctrl driver has a probe function that is
__devinit and that calls a lot of other functions that are
marked __init, which kbuild complains about.

Marking everything __devinit means that the code does not
discarded when CONFIG_HOTPLUG is set, which is a little
more wasteful, but also more consistent

Without this patch, building exynos_defconfig results in:

WARNING: drivers/pinctrl/built-in.o(.devinit.text+0x124): Section mismatch in reference from the function samsung_pinctrl_probe() to the function .init.text:samsung_gpiolib_register()
The function __devinit samsung_pinctrl_probe() references
a function __init samsung_gpiolib_register().
If samsung_gpiolib_register is only used by samsung_pinctrl_probe then
annotate samsung_gpiolib_register with a matching annotation.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 09:09:27 +02:00
Paul Mundt 0dd4d5cbe4 sh: Fix up more fallout from pointless ARM __iomem churn.
It was already pointed out how to fix these cases before the offending
patches were merged, but unsurprisingly, that didn't happen. As this
change is entirely superfluous to begin with, simply shut things up by
casting everything away.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-10-15 14:08:48 +09:00
Paul Mundt cf7599322a sh: Wire up kcmp syscall.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-10-15 13:54:29 +09:00
Paul Mundt 850fbcffe2 UAPI Disintegration 2012-10-09
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Merge tag 'disintegrate-sh-20121009' of git://git.infradead.org/users/dhowells/linux-headers into sh-latest

UAPI Disintegration 2012-10-09
2012-10-15 13:47:38 +09:00
David S. Miller 08280e6c4c sparc64: Like x86 we should check current->mm during perf backtrace generation.
If the MM is not active, only report the top-level PC.  Do not try to
access the address space.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-14 17:59:40 -07:00
Linus Torvalds ddffeb8c4d Linux 3.7-rc1 2012-10-14 14:41:04 -07:00
Linus Torvalds a5ef3f7dcb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS update from Ralf Baechle:
 "Cleanups and fixes for breakage that occured earlier during this merge
  phase.  Also a few patches that didn't make the first pull request.
  Of those is the Alchemy work that merges code for many of the SOCs and
  evaluation boards thus among other code shrinkage, reduces the number
  of MIPS defconfigs by 5."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (22 commits)
  MIPS: SNI: Switch RM400 serial to SCCNXP driver
  MIPS: Remove unused empty_bad_pmd_table[] declaration.
  MIPS: MT: Remove kspd.
  MIPS: Malta: Fix section mismatch.
  MIPS: asm-offset.c: Delete unused irq_cpustat_t struct offsets.
  MIPS: Alchemy: Merge PB1100/1500 support into DB1000 code.
  MIPS: Alchemy: merge PB1550 support into DB1550 code
  MIPS: Alchemy: Single kernel for DB1200/1300/1550
  MIPS: Optimize TLB refill for RI/XI configurations.
  MIPS: proc: Cleanup printing of ASEs.
  MIPS: Hardwire detection of DSP ASE Rev 2 for systems, as required.
  MIPS: Add detection of DSP ASE Revision 2.
  MIPS: Optimize pgd_init and pmd_init
  MIPS: perf: Add perf functionality for BMIPS5000
  MIPS: perf: Split the Kconfig option CONFIG_MIPS_MT_SMP
  MIPS: perf: Remove unnecessary #ifdef
  MIPS: perf: Add cpu feature bit for PCI (performance counter interrupt)
  MIPS: perf: Change the "mips_perf_event" table unsupported indicator.
  MIPS: Align swapper_pg_dir to 64K for better TLB Refill code.
  vmlinux.lds.h: Allow architectures to add sections to the front of .bss
  ...
2012-10-14 14:39:05 -07:00
Linus Torvalds d25282d1c9 Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module signing support from Rusty Russell:
 "module signing is the highlight, but it's an all-over David Howells frenzy..."

Hmm "Magrathea: Glacier signing key". Somebody has been reading too much HHGTTG.

* 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (37 commits)
  X.509: Fix indefinite length element skip error handling
  X.509: Convert some printk calls to pr_devel
  asymmetric keys: fix printk format warning
  MODSIGN: Fix 32-bit overflow in X.509 certificate validity date checking
  MODSIGN: Make mrproper should remove generated files.
  MODSIGN: Use utf8 strings in signer's name in autogenerated X.509 certs
  MODSIGN: Use the same digest for the autogen key sig as for the module sig
  MODSIGN: Sign modules during the build process
  MODSIGN: Provide a script for generating a key ID from an X.509 cert
  MODSIGN: Implement module signature checking
  MODSIGN: Provide module signing public keys to the kernel
  MODSIGN: Automatically generate module signing keys if missing
  MODSIGN: Provide Kconfig options
  MODSIGN: Provide gitignore and make clean rules for extra files
  MODSIGN: Add FIPS policy
  module: signature checking hook
  X.509: Add a crypto key parser for binary (DER) X.509 certificates
  MPILIB: Provide a function to read raw data into an MPI
  X.509: Add an ASN.1 decoder
  X.509: Add simple ASN.1 grammar compiler
  ...
2012-10-14 13:39:34 -07:00
Matt Fleming b6eea87fc6 x86, boot: Explicitly include autoconf.h for hostprogs
The hostprogs need access to the CONFIG_* symbols found in
include/generated/autoconf.h.  But commit abbf1590de ("UAPI: Partition
the header include path sets and add uapi/ header directories") replaced
$(LINUXINCLUDE) with $(USERINCLUDE) which doesn't contain the necessary
include paths.

This has the undesirable effect of breaking the EFI boot stub because
the #ifdef CONFIG_EFI_STUB code in arch/x86/boot/tools/build.c is
never compiled.

It should also be noted that because $(USERINCLUDE) isn't exported by
the top-level Makefile it's actually empty in arch/x86/boot/Makefile.

Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-14 12:41:28 -07:00
Ingo Molnar 7d380c8f1e perf: Fix UAPI fallout
The UAPI commits forgot to test tooling builds such as tools/perf/,
and this fixes the fallout.

Manual conversion.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-14 12:22:52 -07:00
Linus Torvalds 3d6ee36dfb Merge branch 'late-for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM update from Russell King:
 "This is the final round of stuff for ARM, left until the end of the
  merge window to reduce the number of conflicts.  This set contains the
  ARM part of David Howells UAPI changes, and a fix to the ordering of
  'select' statements in ARM Kconfig files (see the appropriate commit
  for why this happened - thanks to Andrew Morton for pointing out the
  problem.)

  I've left this as long as I dare for this window to avoid conflicts,
  and I regenerated the config patch yesterday, posting it to our
  mailing list for review and testing.  I have several acks which
  include successful test reports for it.

  However, today I notice we've got new conflicts with previously unseen
  code...  though that conflict should be trivial (it's my changes vs a
  one liner.)"

* 'late-for-linus' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: config: make sure that platforms are ordered by option string
  ARM: config: sort select statements alphanumerically
  UAPI: (Scripted) Disintegrate arch/arm/include/asm

Fix up fairly conflict in arch/arm/Kconfig (the select re-organization
vs recent addition of GENERIC_KERNEL_EXECVE)
2012-10-13 17:18:53 -07:00
Linus Torvalds 0b381a286e UAPI Disintegration 2012-10-13
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Merge tag 'disintegrate-main-20121013' of git://git.infradead.org/users/dhowells/linux-headers

Pull UAPI disintegration for include/linux/{,byteorder/}*.h from David Howells:
 "The patches contained herein do the following:

 (1) Remove kernel-only stuff in linux/ppp-comp.h from the UAPI.  I checked
     this with Paul Mackerras before I created the patch and he suggested some
     extra bits to unexport.

 (2) Remove linux/blk_types.h entirely from the UAPI as none of it is userspace
     applicable, and remove from the UAPI that part of linux/fs.h that was the
     reason for linux/blk_types.h being exported in the first place.  I
     discussed this with Jens Axboe before creating the patch.

 (3) The big patch of the series to disintegrate include/linux/*.h as a unit.
     This could be split up, though there would be collisions in moving stuff
     between the two Kbuild files when the parts are merged as that file is
     sorted alphabetically rather than being grouped by subsystem.

     Of this set of headers, 17 files have changed in the UAPI exported region
     since the 4th and only 8 since the 9th so there isn't much change in this
     area - as one might expect.

     It should be pretty obvious and straightforward if it does come to fixing
     up: stuff in __KERNEL__ guards stays where it is and stuff outside moves
     to the same file in the include/uapi/linux/ directory.

     If a new file appears then things get a bit more complicated as the
     "headers +=" line has to move to include/uapi/linux/Kbuild.  Only one new
     file has appeared since the 9th and I judge this type of event relatively
     unlikely.

 (4) A patch to disintegrate include/linux/byteorder/*.h as a unit.

  Signed-off-by: David Howells <dhowells@redhat.com>"

* tag 'disintegrate-main-20121013' of git://git.infradead.org/users/dhowells/linux-headers:
  UAPI: (Scripted) Disintegrate include/linux/byteorder
  UAPI: (Scripted) Disintegrate include/linux
  UAPI: Unexport linux/blk_types.h
  UAPI: Unexport part of linux/ppp-comp.h
2012-10-13 13:28:32 -07:00
Linus Torvalds 034b5eeb6b UAPI Disintegration 2012-10-09
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Merge tag 'disintegrate-spi-20121009' of git://git.infradead.org/users/dhowells/linux-headers

Pull spi UAPI disintegration from David Howells:
 "This is to complete part of the Userspace API (UAPI) disintegration
  for which the preparatory patches were pulled recently.  After these
  patches, userspace headers will be segregated into:

        include/uapi/linux/.../foo.h

  for the userspace interface stuff, and:

        include/linux/.../foo.h

  for the strictly kernel internal stuff.

  Signed-off-by: David Howells <dhowells@redhat.com>
  Acked-by: Grant Likely <grant.likely@secretlab.ca>"

* tag 'disintegrate-spi-20121009' of git://git.infradead.org/users/dhowells/linux-headers:
  UAPI: (Scripted) Disintegrate include/linux/spi
2012-10-13 13:26:39 -07:00
Linus Torvalds 7c5a473469 OpenRISC UAPI disintegration work from David Howells.
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Merge tag 'openrisc-uapi' of git://openrisc.net/jonas/linux

Pull OpenRISC uapi disintegration from Jonas Bonn:
 "OpenRISC UAPI disintegration work from David Howells"

* tag 'openrisc-uapi' of git://openrisc.net/jonas/linux:
  UAPI: (Scripted) Disintegrate arch/openrisc/include/asm
2012-10-13 13:25:19 -07:00
Linus Torvalds 09a9ad6a1f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull user namespace compile fixes from Eric W Biederman:
 "This tree contains three trivial fixes.  One compiler warning, one
  thinko fix, and one build fix"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  btrfs: Fix compilation with user namespace support enabled
  userns: Fix posix_acl_file_xattr_userns gid conversion
  userns: Properly print bluetooth socket uids
2012-10-13 13:23:39 -07:00
Linus Torvalds 9db908806b md updates for 3.7
"discard" support, some dm-raid improvements and other assorted
 bits and pieces.
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Merge tag 'md-3.7' of git://neil.brown.name/md

Pull md updates from NeilBrown:
 - "discard" support, some dm-raid improvements and other assorted bits
   and pieces.

* tag 'md-3.7' of git://neil.brown.name/md: (29 commits)
  md: refine reporting of resync/reshape delays.
  md/raid5: be careful not to resize_stripes too big.
  md: make sure manual changes to recovery checkpoint are saved.
  md/raid10: use correct limit variable
  md: writing to sync_action should clear the read-auto state.
  Subject: [PATCH] md:change resync_mismatches to atomic64_t to avoid races
  md/raid5: make sure to_read and to_write never go negative.
  md: When RAID5 is dirty, force reconstruct-write instead of read-modify-write.
  md/raid5: protect debug message against NULL derefernce.
  md/raid5: add some missing locking in handle_failed_stripe.
  MD: raid5 avoid unnecessary zero page for trim
  MD: raid5 trim support
  md/bitmap:Don't use IS_ERR to judge alloc_page().
  md/raid1: Don't release reference to device while handling read error.
  raid: replace list_for_each_continue_rcu with new interface
  add further __init annotations to crypto/xor.c
  DM RAID: Fix for "sync" directive ineffectiveness
  DM RAID: Fix comparison of index and quantity for "rebuild" parameter
  DM RAID: Add rebuild capability for RAID10
  DM RAID: Move 'rebuild' checking code to its own function
  ...
2012-10-13 13:22:01 -07:00
Russell King 244acb1ba3 Merge branch 'config' into late-for-linus 2012-10-13 17:14:17 +01:00