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Merge tag 'v4.1-rc6' into drm-next
Linux 4.1-rc6
backmerge 4.1-rc6 as some of the later pull reqs are based on newer bases
and I'd prefer to do the fixup myself.
Pull ARM fixes from Russell King:
"Three fixes this time around:
- fix a memory leak which occurs when probing performance monitoring
unit interrupts
- fix handling of non-PMD aligned end of RAM causing boot failures
- fix missing syscall trace exit path with syscall tracing enabled
causing a kernel oops in the audit code"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8357/1: perf: fix memory leak when probing PMU PPIs
ARM: fix missing syscall trace exit
ARM: 8356/1: mm: handle non-pmd-aligned end of RAM
Pull MIPS fixes from Ralf Baechle:
"MIPS fixes for 4.1 all across the tree"
* 'upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/ralf/linux:
MIPS: strnlen_user.S: Fix a CPU_DADDI_WORKAROUNDS regression
MIPS: BMIPS: Fix bmips_wr_vec()
MIPS: ath79: fix build problem if CONFIG_BLK_DEV_INITRD is not set
MIPS: Fuloong 2E: Replace CONFIG_USB_ISP1760_HCD by CONFIG_USB_ISP1760
MIPS: irq: Use DECLARE_BITMAP
ttyFDC: Fix to use native endian MMIO reads
MIPS: Fix CDMM to use native endian MMIO reads
Pull turbostat tool fixes from Len Brown:
"Just one minor kernel dependency in this batch -- added a #define to
msr-index.h"
* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: update version number to 4.7
tools/power turbostat: allow running without cpu0
tools/power turbostat: correctly decode of ENERGY_PERFORMANCE_BIAS
tools/power turbostat: enable turbostat to support Knights Landing (KNL)
tools/power turbostat: correctly display more than 2 threads/core
This fixes a bug uncovered by a recent driver core change that
modified the implementation of the ACPI_COMPANION_SET() macro to
strictly rely on its second argument to be either NULL or a valid
pointer to struct acpi_device.
As it turns out, pcibios_root_bridge_prepare() on x86 and ia64
works with the assumption that the only code path calling
pci_create_root_bus() is pci_acpi_scan_root() and therefore
the sysdata argument passed to it will always match the
expectations of pcibios_root_bridge_prepare(). That need not
be the case, however, and in particular it is not the case for
the Xen pcifront driver that passes a pointer to its own private
data strcture as sysdata to pci_scan_bus_parented() which then
passes it to pci_create_root_bus() and it ends up being used
incorrectly by pcibios_root_bridge_prepare().
/
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Merge tag 'acpi-pci-4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull PCI / ACPI fix from Rafael Wysocki:
"This fixes a bug uncovered by a recent driver core change that
modified the implementation of the ACPI_COMPANION_SET() macro to
strictly rely on its second argument to be either NULL or a valid
pointer to struct acpi_device.
As it turns out, pcibios_root_bridge_prepare() on x86 and ia64 works
with the assumption that the only code path calling pci_create_root_bus()
is pci_acpi_scan_root() and therefore the sysdata argument passed to
it will always match the expectations of pcibios_root_bridge_prepare().
That need not be the case, however, and in particular it is not the
case for the Xen pcifront driver that passes a pointer to its own
private data strcture as sysdata to pci_scan_bus_parented() which then
passes it to pci_create_root_bus() and it ends up being used incorrectly
by pcibios_root_bridge_prepare()"
* tag 'acpi-pci-4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PCI / ACPI: Do not set ACPI companions for host bridges with parents
Two weeks worth of small bug fixes this time, nothing sticking out
this time:
- one defconfig change to adapt to a modified Kconfig symbol
- two fixes for i.MX for backwards compatibility with older DT
files that was accidentally broken
- one regression fix for irq handling on pxa
- three small dt files on omap, and one each for imx and exynos
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"Two weeks worth of small bug fixes this time, nothing sticking out
this time:
- one defconfig change to adapt to a modified Kconfig symbol
- two fixes for i.MX for backwards compatibility with older DT files
that was accidentally broken
- one regression fix for irq handling on pxa
- three small dt files on omap, and one each for imx and exynos"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: multi_v7_defconfig: Replace CONFIG_USB_ISP1760_HCD by CONFIG_USB_ISP1760
ARM: imx6: gpc: don't register power domain if DT data is missing
ARM: imx6: allow booting with old DT
ARM: dts: set display clock correctly for exynos4412-trats2
ARM: pxa: pxa_cplds: signedness bug in probe
ARM: dts: Fix WLAN interrupt line for AM335x EVM-SK
ARM: dts: omap3-devkit8000: Fix NAND DT node
ARM: dts: am335x-boneblack: disable RTC-only sleep
ARM: dts: fix imx27 dtb build rule
ARM: dts: imx27: only map 4 Kbyte for fec registers
Correct a regression introduced with 8453eebd [MIPS: Fix strnlen_user()
return value in case of overlong strings.] causing assembler warnings
and broken code generated in __strnlen_kernel_nocheck_asm:
arch/mips/lib/strnlen_user.S: Assembler messages:
arch/mips/lib/strnlen_user.S:64: Warning: Macro instruction expanded into multiple instructions in a branch delay slot
with the CPU_DADDI_WORKAROUNDS option set, resulting in the function
looping indefinitely upon mounting NFS root.
Use conditional assembly to avoid a microMIPS code size regression.
Using $at unconditionally would cause such a regression as there are no
16-bit instruction encodings available for ALU operations using this
register. Using $v1 unconditionally would produce short microMIPS
encodings, but would prevent this register from being used across calls
to this function.
The extra LI operation introduced is free, replacing a NOP originally
scheduled into the delay slot of the branch that follows.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10205/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
bmips_wr_vec() copies exception vector code from start to dst.
The call to dma_cache_wback() needs to flush (end-start) bytes,
starting at dst, from write-back cache to memory.
Signed-off-by: Petri Gynther <pgynther@google.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Kevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10193/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Since commit 100832abf0 ("usb: isp1760: Make HCD support
optional"), CONFIG_USB_ISP1760_HCD is automatically selected when
needed. Enabling that option in the defconfig is now a no-op, and no
longer enables ISP1760 HCD support.
Re-enable the ISP1760 driver in the defconfig by enabling
USB_ISP1760_HOST_ROLE instead.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
It includes a couple of fixes for i.MX6 GPC code to let the new kernel
be able to boot with old DTBs:
- Booting v4.1-rc kernel with old DTBs will fail with a fat warning
(require low-level debug to be seen), due to the adoption of stacked
IRQ domain. The first fix improves the situation by allowing kernel
boot up with old DTBs, although suspend/resume still breaks.
- Booting new kernel with old DTBs that do not have power-domain info
will result in a hang. The second patch fixes the hang by skipping
the kernel power-domain registration if DTB has no power-domain info.
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Merge tag 'imx-fixes-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Merge "The i.MX fixes for 4.1, 3rd round" from Shawn Guo:
It includes a couple of fixes for i.MX6 GPC code to let the new kernel
be able to boot with old DTBs:
- Booting v4.1-rc kernel with old DTBs will fail with a fat warning
(require low-level debug to be seen), due to the adoption of stacked
IRQ domain. The first fix improves the situation by allowing kernel
boot up with old DTBs, although suspend/resume still breaks.
- Booting new kernel with old DTBs that do not have power-domain info
will result in a hang. The second patch fixes the hang by skipping
the kernel power-domain registration if DTB has no power-domain info.
* tag 'imx-fixes-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx6: gpc: don't register power domain if DT data is missing
ARM: imx6: allow booting with old DT
- Set display clock correctly for exynos4412-trats2
: fix the following error
exynos-drm: No connectors reported connected with modes
[drm] Cannot find any crtc or sizes - going 1024x768
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Merge tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
Merge "Samsung fix for v4.1" from Kukjin Kim:
- Set display clock correctly for exynos4412-trats2
: fix the following error
exynos-drm: No connectors reported connected with modes
[drm] Cannot find any crtc or sizes - going 1024x768
* tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: set display clock correctly for exynos4412-trats2
This patch fixes allmodconfig, which fails to build due to
missing dma_alloc_attrs() and dma_free_attrs() functions.
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Merge tag 'xtensa-20150526' of git://github.com/czankel/xtensa-linux
Pull Xtensa fix from Chris Zankel:
"This fixes allmodconfig, which fails to build due to missing
dma_alloc_attrs() and dma_free_attrs() functions"
* tag 'xtensa-20150526' of git://github.com/czankel/xtensa-linux:
xtensa: Provide dummy dma_alloc_attrs() and dma_free_attrs()
Commit 97badf873a (device property: Make it possible to use
secondary firmware nodes) uncovered a bug in the x86 (and ia64) PCI
host bridge initialization code that assumes bridge->bus->sysdata
to always point to a struct pci_sysdata object which need not be
the case (in particular, the Xen PCI frontend driver sets it to point
to a different data type). If it is not the case, an incorrect
pointer (or a piece of data that is not a pointer at all) will be
passed to ACPI_COMPANION_SET() and that may cause interesting
breakage to happen going forward.
To work around this problem use the observation that the ACPI
host bridge initialization always passes NULL as parent to
pci_create_root_bus(), so if pcibios_root_bridge_prepare() sees
a non-NULL parent of the bridge, it should not attempt to set
an ACPI companion for it, because that means that
pci_create_root_bus() has been called by someone else.
Fixes: 97badf873a (device property: Make it possible to use secondary firmware nodes)
Reported-and-tested-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Changes mainly to account for minor differences in Knights Landing(KNL):
1. KNL supports C1 and C6 core states.
2. KNL supports PC2, PC3 and PC6 package states.
3. KNL has a different encoding of the TURBO_RATIO_LIMIT MSR
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Pull networking fixes from David Miller:
1) Don't use MMIO on certain iwlwifi devices otherwise we get a
firmware crash.
2) Don't corrupt the GRO lists of mac80211 contexts by doing sends via
timer interrupt, from Johannes Berg.
3) SKB tailroom is miscalculated in AP_VLAN crypto code, from Michal
Kazior.
4) Fix fw_status memory leak in iwlwifi, from Haim Dreyfuss.
5) Fix use after free in iwl_mvm_d0i3_enable_tx(), from Eliad Peller.
6) JIT'ing of large BPF programs is broken on x86, from Alexei
Starovoitov.
7) EMAC driver ethtool register dump size is miscalculated, from Ivan
Mikhaylov.
8) Fix PHY initial link mode when autonegotiation is disabled in
amd-xgbe, from Tom Lendacky.
9) Fix NULL deref on SOCK_DEAD socket in AF_UNIX and CAIF protocols,
from Mark Salyzyn.
10) credit_bytes not initialized properly in xen-netback, from Ross
Lagerwall.
11) Fallback from MSI-X to INTx interrupts not handled properly in mlx4
driver, fix from Benjamin Poirier.
12) Perform ->attach() after binding dev->qdisc in packet scheduler,
otherwise we can crash. From Cong WANG.
13) Don't clobber data in sctp_v4_map_v6(). From Jason Gunthorpe.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (30 commits)
sctp: Fix mangled IPv4 addresses on a IPv6 listening socket
net_sched: invoke ->attach() after setting dev->qdisc
xen-netfront: properly destroy queues when removing device
mlx4_core: Fix fallback from MSI-X to INTx
xen/netback: Properly initialize credit_bytes
net: netxen: correct sysfs bin attribute return code
tools: bpf_jit_disasm: fix segfault on disabled debugging log output
unix/caif: sk_socket can disappear when state is unlocked
amd-xgbe-phy: Fix initial mode when autoneg is disabled
net: dp83640: fix improper double spin locking.
net: dp83640: reinforce locking rules.
net: dp83640: fix broken calibration routine.
net: stmmac: create one debugfs dir per net-device
net/ibm/emac: fix size of emac dump memory areas
x86: bpf_jit: fix compilation of large bpf programs
net: phy: bcm7xxx: Fix 7425 PHY ID and flags
iwlwifi: mvm: avoid use-after-free on iwl_mvm_d0i3_enable_tx()
iwlwifi: mvm: clean net-detect info if device was reset during suspend
iwlwifi: mvm: take the UCODE_DOWN reference when resuming
iwlwifi: mvm: BT Coex - duplicate the command if sent ASYNC
...
Pull x86 fixes from Ingo Molnar:
"This tree includes:
- a fix that disables the compacted FPU XSAVE format by disabling
XSAVES support: the fixes are too complex and the breakages
ABI-affecting, so we want this to be quirked off in a robust way
and backported, to make sure no broken kernel is exposed to the new
hardware (which exposure is still very limited).
- an MCE printk message fix
- a documentation fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Disable XSAVES* support for now
x86/Documentation: Update the contact email for L3 cache index disable functionality
x86/mce: Fix MCE severity messages
If the devicetree is too old and does not provide the regulator and clocks
for the power domain, we need to avoid registering the power domain.
Otherwise runtime PM will try to control the domain, which will lead to
machine hangs without the proper DT configuration data.
This restores functionality to the kernel 4.0 level if an old DT is
detected, where the power domain is constantly powered on.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The GPC rewrite to IRQ domains has been on the premise that it may break
suspend/resume for new kernels on old DT, but otherwise keep things working
from a user perspective. This was an accepted compromise to be able to move
the GIC cleanup forward.
What actually happened was that booting a new kernel on an old DT crashes
before even the console is up, so the user does not even see the warning
that the DT is too old. The warning message suggests that this has been
known before, which is clearly unacceptable.
Fix the early crash by mapping the GPC memory space if the IRQ controller
doesn't claim it. This keeps at least CPUidle and the needed CPU wakeup
workarounds working. With this fixed the system is able to boot up
properly minus the expected suspend/resume breakage.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The related warning:
CC init/do_mounts.o
arch/alpha/kernel/osf_sys.c: In function 'SyS_osf_settimeofday':
arch/alpha/kernel/osf_sys.c:1028:14: warning: 'kts.tv_nsec' may be used uninitialized in this function [-Wmaybe-uninitialized]
kts.tv_nsec *= 1000;
^
arch/alpha/kernel/osf_sys.c:1016:18: note: 'kts' was declared here
struct timespec kts;
^
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
And still left the missing unimplemented syscalls as warnings. The
related warnings for missing implemented syscalls:
CALL scripts/checksyscalls.sh
<stdin>:1241:2: warning: #warning syscall getrandom not implemented [-Wcpp]
<stdin>:1244:2: warning: #warning syscall memfd_create not implemented [-Wcpp]
<stdin>:1250:2: warning: #warning syscall execveat not implemented [-Wcpp]
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Fix the bootpfile and bootpzfile make targets to creat BOOTP images.
Both targets were broken due to some missing defines to re-map ELF
constants. In addition the old code used the generic vsprintf function
of the kernel which we now replace by a simple and much smaller
implementation for the bootloader.
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Matt Turner <mattst88@gmail.com>
The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity (and consistency
with do_fork() and other arch-specific implementations of copy_thread()).
Signed-off-by: Alex Dowad <alexinbeijing@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>. Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
Acked-by: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
The srm console is always built in. It will never be modular,
so using module_init as an alias for __initcall is rather
misleading.
Fix this up now, so that we can relocate module_init from
init.h into module.h in the future. If we don't do this, we'd
have to add module.h to obviously non-modular code, and that
would be a worse thing.
Direct use of __initcall is discouraged, vs prioritized ones.
Use of device_initcall is consistent with what __initcall
maps onto, and hence does not change the init order, making the
impact of this change zero. Should someone with real hardware
for boot testing want to change it later to arch_initcall or
console_initcall, they can do that at a later date.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Commit 9a46ad6d6d "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one interrupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Shaohua Li <shli@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jiri Kosina <trivial@kernel.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Everything in arch/alpha/include/uapi/asm/types.h is protected by
"#ifndef __KERNEL__", so it's unused for kernelspace.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Matt Turner <mattst88@gmail.com>
PCI core will initialize device MSI/MSI-X capability in
pci_msi_init_pci_dev(). So device driver should use
pci_dev->msi_cap/msix_cap to determine whether the device
support MSI/MSI-X instead of using
pci_find_capability(pci_dev, PCI_CAP_ID_MSI/MSIX).
Access to PCIe device config space again will consume more time.
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Matt Turner <mattst88@gmail.com>
Cc: Phil Carmody <pc+lkml@asdf.org>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Matt Turner <mattst88@gmail.com>
Since commit 100832abf0 ("usb: isp1760: Make HCD support
optional"), CONFIG_USB_ISP1760_HCD is automatically selected when
needed. Enabling that option in the defconfig is now a no-op, and no
longer enables ISP1760 HCD support.
Re-enable the ISP1760 driver in the defconfig by enabling
USB_ISP1760_HOST_ROLE instead.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/10180/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Use the generic mechanism to declare a bitmap instead of unsigned long.
This could fix an overwrite defect of whatever follows irq_map.
Not all "#define NR_IRQS <value>" are a multiple of BITS_PER_LONG so
using DECLARE_BITMAP allocates the proper number of longs required
for the possible bits.
For instance:
arch/mips/include/asm/mach-ath79/irq.h:#define NR_IRQS 51
arch/mips/include/asm/mach-db1x00/irq.h:#define NR_IRQS 152
arch/mips/include/asm/mach-lantiq/falcon/irq.h:#define NR_IRQS 328
Signed-off-by: Joe Perches <joe@perches.com>
Cc: linux-mips <linux-mips@linux-mips.org>
Cc: LKML <linux-kernel@vger.kernel.org>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: Manuel Lauss <manuel.lauss@googlemail.com>
Cc: John Crispin <blogic@openwrt.org>
Patchwork: https://patchwork.linux-mips.org/patch/10091/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
xtensa:allmodconfig fails to build with the following errors.
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:
In function ‘gk20a_instobj_dtor_dma’:
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:154:2: error:
implicit declaration of function ‘dma_free_attrs’
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:
In function ‘gk20a_instobj_ctor_dma’:
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:218:2: error:
implicit declaration of function ‘dma_alloc_attrs’
Xtensa does not provide those functions at this time.
Provide dummy implementations to avoid build errors.
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Chris Zankel <chris@zankel.net>
x86 has variable length encoding. x86 JIT compiler is trying
to pick the shortest encoding for given bpf instruction.
While doing so the jump targets are changing, so JIT is doing
multiple passes over the program. Typical program needs 3 passes.
Some very short programs converge with 2 passes. Large programs
may need 4 or 5. But specially crafted bpf programs may hit the
pass limit and if the program converges on the last iteration
the JIT compiler will be producing an image full of 'int 3' insns.
Fix this corner case by doing final iteration over bpf program.
Fixes: 0a14842f5a ("net: filter: Just In Time compiler for x86-64")
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Tested-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch sets display clock correctly. If Display clock isn't set
correctly then you would find below messages and Display controller
doesn't work correctly.
exynos-drm: No connectors reported connected with modes
[drm] Cannot find any crtc or sizes - going 1024x768
Fixes: abc0b1447d ("drm: Perform basic sanity checks on probed modes")
Cc: <stable@vger.kernel.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
Pull networking fixes from David Miller:
1) Don't leak ipvs->sysctl_tbl, from Tommi Rentala.
2) Fix neighbour table entry leak in rocker driver, from Ying Xue.
3) Do not emit bonding notifications for unregistered interfaces, from
Nicolas Dichtel.
4) Set ipv6 flow label properly when in TIME_WAIT state, from Florent
Fourcot.
5) Fix regression in ipv6 multicast filter test, from Henning Rogge.
6) do_replace() in various footables netfilter modules is missing a
check for 0 counters in the datastructure provided by the user. Fix
from Dave Jones, and found with trinity.
7) Fix RCU bug in packet scheduler classifier module unloads, from
Daniel Borkmann.
8) Avoid deadlock in tcp_get_info() by using u64_sync. From Eric
Dumzaet.
9) Input packet processing can race with inetdev_destroy() teardown,
fix potential OOPS in ip_error() by explicitly testing whether the
inetdev is still attached. From Eric W Biederman.
10) MLDv2 parser in bridge multicast code breaks too early while
parsing. Fix from Thadeu Lima de Souza Cascardo.
11) Asking for settings on non-zero PHYID doesn't work because we do not
import the command structure from the user and use the PHYID
provided there. Fix from Arun Parameswaran.
12) Fix UDP checksums with IPV6 RAW sockets, from Vlad Yasevich.
13) Missing NF_TABLES depends for TPROXY etc can cause build failures,
fix from Florian Westphal.
14) Fix netfilter conntrack to handle RFC5961 challenge ACKs properly,
from Jesper Dangaard Brouer.
15) If netlink autobind retry fails, we have to reset the sockets portid
back to zero. From Herbert Xu.
16) VXLAN netns exit code unregisters using wrong device, from John W
Linville.
17) Add some USB device IDs to ath3k and btusb bluetooth drivers, from
Dmitry Tunin and Wen-chien Jesse Sung.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
bridge: fix lockdep splat
net: core: 'ethtool' issue with querying phy settings
bridge: fix parsing of MLDv2 reports
ARM: zynq: DT: Use the zynq binding with macb
net: macb: Disable half duplex gigabit on Zynq
net: macb: Document zynq gem dt binding
ipv4: fill in table id when replacing a route
cdc_ncm: Fix tx_bytes statistics
ipv4: Avoid crashing in ip_error
tcp: fix a potential deadlock in tcp_get_info()
net: sched: fix call_rcu() race on classifier module unloads
net: phy: Make sure phy_start() always re-enables the phy interrupts
ipv6: fix ECMP route replacement
ipv6: do not delete previously existing ECMP routes if add fails
Revert "netfilter: bridge: query conntrack about skb dnat"
netfilter: ensure number of counters is >0 in do_replace()
netfilter: nfnetlink_{log,queue}: Register pernet in first place
tcp: don't over-send F-RTO probes
tcp: only undo on partial ACKs in CA_Loss
net/ipv6/udp: Fix ipv6 multicast socket filter regression
...
Pull another crypto fix from Herbert Xu:
"Fix ICV corruption in s390/ghash when the same tfm is used by more
than one thread"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: s390/ghash - Fix incorrect ghash icv buffer handling.
Use the new zynq binding for macb ethernet, since it will disable half
duplex gigabit like the Zynq TRM says to do.
Signed-off-by: Nathan Sullivan <nathan.sullivan@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
"base_irq" needs to be signed for the error handling to work. Also we
can remove the initialization because we re-assign it later.
Fixes: aa8d6b73ea ('ARM: pxa: pxa_cplds: add lubbock and mainstone IO')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Multitheaded tests showed that the icv buffer in the current ghash
implementation is not handled correctly. A move of this working ghash
buffer value to the descriptor context fixed this. Code is tested and
verified with an multithreaded application via af_alg interface.
Cc: stable@vger.kernel.org
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Gerald Schaefer <geraldsc@linux.vnet.ibm.com>
Reported-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
and on x86. The rest is fixes for bugs with newer Intel
processors.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"This includes a fix for two oopses, one on PPC and on x86.
The rest is fixes for bugs with newer Intel processors"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm/fpu: Enable eager restore kvm FPU for MPX
Revert "KVM: x86: drop fpu_activate hook"
kvm: fix crash in kvm_vcpu_reload_apic_access_page
KVM: MMU: fix SMAP virtualization
KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages
KVM: MMU: fix smap permission check
KVM: PPC: Book3S HV: Fix list traversal in error case
Pull s390 fixes from Martin Schwidefsky:
"Bug fixes.
Three for our crypto code, two for eBPF, and one memory management fix
to get machines with memory > 8TB working"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: correct return value of pmd_pfn
s390/crypto: fix stckf loop
s390/zcrypt: Fix invalid domain handling during ap module unload
s390/bpf: Fix gcov stack space problem
s390/zcrypt: fixed ap poll timer behavior
s390/bpf: Adjust ALU64_DIV/MOD to match interpreter change
- Disable BeagleBone black RTC-only sleep mode because of hardare
related issues
- Fix NAND on Devkit8000
- Fix WLAN interrupt line on AM335x EVM-SK
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Merge tag 'omap-for-v4.1/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "Few minimal omap device tree fixes for v4.1-rc series" from Tony Lindgren:
- Disable BeagleBone black RTC-only sleep mode because of hardare
related issues
- Fix NAND on Devkit8000
- Fix WLAN interrupt line on AM335x EVM-SK
* tag 'omap-for-v4.1/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Fix WLAN interrupt line for AM335x EVM-SK
ARM: dts: omap3-devkit8000: Fix NAND DT node
ARM: dts: am335x-boneblack: disable RTC-only sleep
While Sitara AM335x SoCs are very close to OMAP SoCs, the 32-line GPIO
controllers are numbered from 0 on AM335x and from 1 on OMAP. But when
the configuration for the TI WLAN controllers was converted from
platform data to device tree, this detail was overlooked, as 10 boards
were using OMAP with the WL12xx and WL18xx controllers, and only one
was based on AM335x.
This invalid configuration prevents the WL1271 module on the AM335x
EVM-SK from notifying interrupts to the SoC, and breaks the wlan driver.
The DTS must be corrected to use the correct GPIO controller.
Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add nand-ecc-opt and device-width properties to enable nand support on
Devkit8000.
Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Fixes: http://bugs.elinux.org/issues/143
Entering RTC-only sleep is only properly supported on early prototypes series
(pre-A6) of the BeagleBone Black. Since rev (A6A), which include all production
versions, it is not support at due to.
(rev A6) enable of the 3v3b regulator moved from LDO2 to LDO4 (3v3a)
side-effect: 3v3b rail remains on in sleep-mode (also in off-mode when battery-powered)
(rev A6A) am335x vdds supply moved from LDO3 to LDO1
side-effect: vdds remains supplied in sleep-mode
Reported-by: Matthijs van Duin <matthijsvanduin@gmail.com>
Tested-by: Matthijs van Duin <matthijsvanduin@gmail.com>
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Johan Hovold <johan@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The MPX feature requires eager KVM FPU restore support. We have verified
that MPX cannot work correctly with the current lazy KVM FPU restore
mechanism. Eager KVM FPU restore should be enabled if the MPX feature is
exposed to VM.
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Liang Li <liang.z.li@intel.com>
[Also activate the FPU on AMD processors. - Paolo]
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The kernel's handling of 'compacted' xsave state layout is buggy:
http://marc.info/?l=linux-kernel&m=142967852317199
I don't have such a system, and the description there is vague, but
from extrapolation I guess that there were two kinds of bugs
observed:
- boot crashes, due to size calculations being wrong and the dynamic
allocation allocating a too small xstate area. (This is now fixed
in the new FPU code - but still present in stable kernels.)
- FPU state corruption and ABI breakage: if signal handlers try to
change the FPU state in standard format, which then the kernel
tries to restore in the compacted format.
These breakages are scary, but they only occur on a small number of
systems that have XSAVES* CPU support. Yet we have had XSAVES support
in the upstream kernel for a large number of stable kernel releases,
and the fixes are involved and unproven.
So do the safe resolution first: disable XSAVES* support and only
use the standard xstate format. This makes the code work and is
easy to backport.
On top of this we can work on enabling (and testing!) proper
compacted format support, without backporting pressure, on top of the
new, cleaned up FPU code.
Cc: <stable@vger.kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Dave Airlie