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Read-only large sptes can be created due to read-only faults as
follows:
- QEMU pagetable entry that maps guest memory is read-only
due to COW.
- Guest read faults such memory, COW is not broken, because
it is a read-only fault.
- Enable dirty logging, large spte not nuked because it is read-only.
- Write-fault on such memory causes guest to loop endlessly
(which must go down to level 1 because dirty logging is enabled).
Fix by dropping large spte when necessary.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This silences build warnings about unexported variables and functions.
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: http://lkml.kernel.org/r/20140209215644.GA30339@www.outflux.net
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Include kASLR offset in VMCOREINFO ELF notes to assist in debugging.
[ hpa: pushing this for v3.14 to avoid having a kernel version with
kASLR where we can't debug output. ]
Signed-off-by: Eugene Surovegin <surovegin@google.com>
Link: http://lkml.kernel.org/r/20140123173120.GA25474@www.outflux.net
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k update from Geert Uytterhoeven:
- More barrier.h consolidation
- Sched_[gs]etattr() syscalls
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Wire up sched_setattr and sched_getattr
m68k: Switch to asm-generic/barrier.h
m68k: Sort arch/m68k/include/asm/Kbuild
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Pull tensa fixes from Chris Zankel:
"This series includes fixes for potentially serious bugs in the
routines spilling processor registers to stack, as well as other
issues and compiler errors and warnings.
- allow booting xtfpga on boards with new uBoot and >128MBytes memory
- drop nonexistent GPIO32 support from fsf variant
- don't select USE_GENERIC_SMP_HELPERS
- enable common clock framework support, set up ethoc clock on xtfpga
- wire up sched_setattr and sched_getattr syscalls.
- fix system call to spill the processor registers to stack.
- improve kernel macro to spill the processor registers
- export ccount_freq symbol
- fix undefined symbol warning"
* tag 'xtensa-next-20140224' of git://github.com/czankel/xtensa-linux:
xtensa: wire up sched_setattr and sched_getattr syscalls
xtensa: xtfpga: set ethoc clock frequency
xtensa: xtfpga: use common clock framework
xtensa: support common clock framework
xtensa: no need to select USE_GENERIC_SMP_HELPERS
xtensa: fsf: drop nonexistent GPIO32 support
xtensa: don't pass high memory to bootmem allocator
xtensa: fix fast_syscall_spill_registers
xtensa: fix fast_syscall_spill_registers
xtensa: save current register frame in fast_syscall_spill_registers_fixup
xtensa: introduce spill_registers_kernel macro
xtensa: export ccount_freq
xtensa: fix warning '"CONFIG_OF" is not defined'
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into clk-fixes
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This commit updates bcm11351.dtsi with the new compatible string for
the same driver.
Signed-off-by: Sherman Yin <syin@broadcom.com>
Reviewed-by: Matt Porter <mporter@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 bug fixes from Martin Schwidefsky:
"A couple of s390 bug fixes. The PCI segment boundary issue is a nasty
one as it can lead to data corruption"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: Fix missing subchannels after CHPID configure on
s390/pci/dma: use correct segment boundary size
s390/compat: fix sys_sched_getattr compat wrapper
s390/zcrypt: additional check to avoid overflow in msg-type 6 requests
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Xtensa fixes for 3.14:
- allow booting xtfpga on boards with new uBoot and >128MBytes memory;
- drop nonexistent GPIO32 support from fsf variant;
- don't select USE_GENERIC_SMP_HELPERS;
- enable common clock framework support, set up ethoc clock on xtfpga;
- wire up sched_setattr and sched_getattr syscalls.
Signed-off-by: Chris Zankel <chris@zankel.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A collection of fixes for ARM platforms. Most are fixes for DTS
files, mostly from DT conversion on OMAP which is still finding a few
issues here and there.
There's a couple of small stale code removal patches that we usually
queue for the next release instead, but they seemed harmless enough to
bring in now.
Also, a fix for backlight on some PXA platforms, and a cache
configuration fix for Tegra, etc"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (25 commits)
MAINTAINERS: add additional ARM BCM281xx/BCM11xxx maintainer
ARM: tegra: only run PL310 init on systems with one
ARM: tegra: Add head numbers to display controllers
ARM: imx6: build pm-imx6q.c independently of CONFIG_PM
ARM: tegra: fix RTC0 alias for Cardhu
ARM: dove: dt: revert PMU interrupt controller node
Documentation: dt: OMAP: Update Overo/Tobi
ARM: dts: Add support for both OMAP35xx and OMAP36xx Overo/Tobi
ARM: dts: omap3-tobi: Use the correct vendor prefix
ARM: dts: omap3-tobi: Fix boot with OMAP36xx-based Overo
ARM: OMAP2+: Remove legacy macros for zoom platforms
ARM: OMAP2+: Remove MACH_NOKIA_N800
ARM: dts: N900: add missing compatible property
ARM: dts: N9/N950: fix boot hang with 3.14-rc1
ARM: OMAP1: nokia770: enable tahvo-usb
ARM: OMAP2+: gpmc: fix: DT ONENAND child nodes not probed when MTD_ONENAND is built as module
ARM: OMAP2+: gpmc: fix: DT NAND child nodes not probed when MTD_NAND is built as module
ARM: dts: omap3-gta04: Fix mmc1 properties.
ARM: dts: omap3-gta04: Fix 'aux' gpio key flags.
ARM: OMAP2+: add missing ARCH_HAS_OPP
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
- a bugfix which prevents a divide by 0 panic when the newly introduced
try_msr_calibrate_tsc() fails
- enablement of the Baytrail platform to utilize the newfangled msr
based calibration
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: tsc: Add missing Baytrail frequency to the table
x86, tsc: Fallback to normal calibration if fast MSR calibration fails
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Misc fixlets from all around the place"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/uncore: Fix IVT/SNB-EP uncore CBOX NID filter table
perf/x86: Correctly use FEATURE_PDCM
perf, nmi: Fix unknown NMI warning
perf trace: Fix ioctl 'request' beautifier build problems on !(i386 || x86_64) arches
perf trace: Add fallback definition of EFD_SEMAPHORE
perf list: Fix checking for supported events on older kernels
perf tools: Handle PERF_RECORD_HEADER_EVENT_TYPE properly
perf probe: Do not add offset twice to uprobe address
perf/x86: Fix Userspace RDPMC switch
perf/x86/intel/p6: Add userspace RDPMC quirk for PPro
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for non SMP build, NR_CPUS is 1 and hence the code complains with below
warnings.
arch/arm/mach-omap2/cpuidle44xx.c:207:8: warning: array subscript is above array bounds [-Warray-bounds]
arch/arm/mach-omap2/cpuidle44xx.c:212:11: warning: array subscript is above array bounds [-Warray-bounds]
Kill it by making array size fixed.
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Without enabling the workaround for ARM errata 430973 thumb
compiled userland crashes randomly on the Nokia N900.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.14/fixes
Several OMAP clock/PM/device data fixes for v3.14-rc. There's an OMAP5
reboot fix in there, plus a clock fix for rate computations involving
x2 multipliers.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/prcm-fixes-a-v3.14-rc/20140219131753/
Note that most full-chip PM is broken since the v3.14 merge; it's
not caused by this series.
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Pull devicetree fixes from Grant Likely:
"Device tree compatible match order bug fix
This branch contains a bug fix for the way devicetree code identifies
the type of device. Device drivers can contain a list of
of_device_ids, but it more than one entry will match, then the device
driver may choose the wrong one. Commit 105353145e, "match each node
compatible against all given matches first", was queued for v3.14 but
ended up causing other bugs. Commit 06b29e76a7 attempted to fix it
but it had other bugs. Merely reverting the fix and waiting until
v3.15 isn't a good option because there is code in v3.14 that depends
on the revised behaviour to boot.
This branch should finally fixes the problem correctly. This time
instead of just hoping that the patch is correct, this branch also
adds new testcases that validate the behaviour.
The changes in this branch are larger than I would like for a -rc
pull, but moving the test case data out of out of arch/arm so that it
could be validated on other architectures was important"
* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
of: Add self test for of_match_node()
of: Move testcase FDT data into drivers/of
of: reimplement the matching method for __of_match_node()
Revert "of: search the best compatible match first in __of_match_node()"
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This patch updates the CBOX PMU filters mapping tables for SNB-EP
and IVT (model 45 and 62 respectively).
The NID umask always comes in addition to another umask.
When set, the NID filter is applied.
The current mapping tables were missing some code/umask
combinations to account for the NID umask. This patch
fixes that.
Cc: mingo@elte.hu
Cc: ak@linux.intel.com
Reviewed-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140219131018.GA24475@quad
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The current code simply assumes Intel Arch PerfMon v2+ to have
the IA32_PERF_CAPABILITIES MSR; the SDM specifies that we should check
CPUID[1].ECX[15] (aka, FEATURE_PDCM) instead.
This was found by KVM which implements v2+ but didn't provide the
capabilities MSR. Change the code to DTRT; KVM will also implement the
MSR and return 0.
Cc: pbonzini@redhat.com
Reported-by: "Michael S. Tsirkin" <mst@redhat.com>
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140203132903.GI8874@twins.programming.kicks-ass.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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When using BTS on Core i7-4*, I get the below kernel warning.
$ perf record -c 1 -e branches:u ls
Message from syslogd@labpc1501 at Nov 11 15:49:25 ...
kernel:[ 438.317893] Uhhuh. NMI received for unknown reason 31 on CPU 2.
Message from syslogd@labpc1501 at Nov 11 15:49:25 ...
kernel:[ 438.317920] Do you have a strange power saving mode enabled?
Message from syslogd@labpc1501 at Nov 11 15:49:25 ...
kernel:[ 438.317945] Dazed and confused, but trying to continue
Make intel_pmu_handle_irq() take the full exit path when returning early.
Cc: eranian@google.com
Cc: peterz@infradead.org
Cc: mingo@kernel.org
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1392425048-5309-1-git-send-email-andi@firstfloor.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Pull sparc fixes from David Miller:
"Three minor fixes from David Howells and Paul Gortmaker"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
Sparc: sparc_cpu_model isn't in asm/system.h any more [ver #2]
sparc32: make copy_to/from_user_page() usable from modular code
sparc32: fix build failure for arch_jump_label_transform
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Connect xtfpga board ethernet MAC to the clock in the DTS. Set up MAC
base frequency in the platform data in case of build w/o CONFIG_OF.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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With this change the board needs to set up single clock object, users of
this clock will get correct frequency automatically.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Commit f615136c06a7 ("xtensa: add SMP support") added "select
USE_GENERIC_SMP_HELPERS". But the Kconfig symbol USE_GENERIC_SMP_HELPERS
was already removed in v3.13, so that select is a nop. Drop it.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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The toolchain for xtensa FSF core never supported GPIO32, drop it on the
linux side too.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
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This fixes panic when booting on machine with more than 128M memory
passed from the bootloader.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Currently, when the kernel is configured with LPAE support, but the
CPU doesn't support it, the error message is fairly cryptic:
Error: unrecognized/unsupported processor variant (0x561f5811).
This messages is normally shown when there is an issue when comparing
the processor ID (CP15 0, c0, c0) with the values/masks described in
proc-v7.S. However, the same message is displayed when LPAE support is
enabled in the kernel configuration, but not available in the CPU,
after looking at ID_MMFR0 (CP15 0, c0, c1, 4). Having the same error
message is highly misleading.
This commit improves this by showing a different error message when
this situation occurs:
Error: Kernel with LPAE support, but CPU does not support LPAE.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The boundary size for iommu_area_alloc() is currently set to a constant
value. This is wrong, we shouldn't use a constant value but rather the
return value of dma_get_seg_boundary(), since a device driver can override
the default.
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Fix stupid typo.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
"Quite a few fixes this time.
Three locking fixes, all marked for -stable. A couple error path
fixes and some misc fixes. Hugh found a bug in memcg offlining
sequence and we thought we could fix that from cgroup core side but
that turned out to be insufficient and got reverted. A different fix
has been applied to -mm"
* 'for-3.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: update cgroup_enable_task_cg_lists() to grab siglock
Revert "cgroup: use an ordered workqueue for cgroup destruction"
cgroup: protect modifications to cgroup_idr with cgroup_mutex
cgroup: fix locking in cgroup_cfts_commit()
cgroup: fix error return from cgroup_create()
cgroup: fix error return value in cgroup_mount()
cgroup: use an ordered workqueue for cgroup destruction
nfs: include xattr.h from fs/nfs/nfs3proc.c
cpuset: update MAINTAINERS entry
arm, pm, vmpressure: add missing slab.h includes
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git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA-mapping fixes from Marek Szyprowski:
"This contains fixes for incorrect atomic test in dma-mapping subsystem
for ARM and x86 architecture"
* 'fixes-for-v3.14' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
x86: dma-mapping: fix GFP_ATOMIC macro usage
ARM: dma-mapping: fix GFP_ATOMIC macro usage
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The testcase data is usable by any platform. This patch moves it into
the drivers/of directory so it can be included by any architecture.
Using the test cases requires manually adding #include <testcases.dtsi>
to the end of the boards .dtsi file and enabling CONFIG_OF_SELFTEST. Not
pretty though. A useful project would be to make the testcase code
easier to execute.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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While copy_to/from_user_page() users are uncommon, there is one in
drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c which leads
to the following:
ERROR: "sparc32_cachetlb_ops" [drivers/staging/lustre/lustre/libcfs/libcfs.ko] undefined!
during routine allmodconfig build coverage. The reason this happens
is as follows:
In arch/sparc/include/asm/cacheflush_32.h we have:
#define flush_cache_page(vma,addr,pfn) \
sparc32_cachetlb_ops->cache_page(vma, addr)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
However, sparc32_cachetlb_ops isn't exported and hence the error.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In arch/sparc/Kernel/Makefile, we see:
obj-$(CONFIG_SPARC64) += jump_label.o
However, the Kconfig selects HAVE_ARCH_JUMP_LABEL unconditionally
for all SPARC. This in turn leads to the following failure when
doing allmodconfig coverage builds:
kernel/built-in.o: In function `__jump_label_update':
jump_label.c:(.text+0x8560c): undefined reference to `arch_jump_label_transform'
kernel/built-in.o: In function `arch_jump_label_transform_static':
(.text+0x85cf4): undefined reference to `arch_jump_label_transform'
make: *** [vmlinux] Error 1
Change HAVE_ARCH_JUMP_LABEL to be conditional on SPARC64 so that it
matches the Makefile.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If CLK_SET_RATE_PARENT is set for a clkoutx2 clock, calling
clk_set_rate() on the clock "skips" the x2 multiplier as there are no
set_rate and round_rate functions defined for the clkoutx2.
This results in getting double the requested clock rates, breaking the
display on omap3430 based devices. This got broken when
d0f58bd3bba3877fb1af4664c4e33273d36f00e4 and related patches were merged
for v3.14, as omapdss driver now relies more on the clk-framework and
CLK_SET_RATE_PARENT.
This patch implements set_rate and round_rate for clkoutx2.
Tested on OMAP3430, OMAP3630, OMAP4460.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Commit 313a76e (ARM: OMAP2+: hwmod: Fix SOFTRESET logic) introduced
softreset bit cleaning right after set one. It is caused L3 error for
OMAP4 ISS because ISS register write occurs when ISS reset process is in
progress. Avoid this situation by cleaning softreset bit later, when reset
process is successfully finished.
Signed-off-by: Illia Smyrnov <illia.smyrnov@globallogic.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The spinlock module's SYSCONFIG register on DRA7xx does not
support smart wakeup, and also does not have the CLKACTIVITY
field. The sysc data for spinlock module has been appropriately
fixed up to reflect the same.
Cc: Ambresh K <ambresh@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Use the correct register offset for issuing the
reset command in OMAP5. Since dev_inst is set dynamically
OMAP4 should not be affected by this change.
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@gmail.com>
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Intel Baytrail is based on Silvermont core so MSR_FSB_FREQ[2:0] == 0 means
that the CPU reference clock runs at 83.3MHz. Add this missing frequency to
the table.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Bin Gao <bin.gao@linux.intel.com>
Cc: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/r/1392810750-18660-2-git-send-email-mika.westerberg@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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If we cannot calibrate TSC via MSR based calibration
try_msr_calibrate_tsc() stores zero to fast_calibrate and returns that
to the caller. This value gets then propagated further to clockevents
code resulting division by zero oops like the one below:
divide error: 0000 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 3.13.0+ #47
task: ffff880075508000 ti: ffff880075506000 task.ti: ffff880075506000
RIP: 0010:[<ffffffff810aec14>] [<ffffffff810aec14>] clockevents_config.part.3+0x24/0xa0
RSP: 0000:ffff880075507e58 EFLAGS: 00010246
RAX: ffffffffffffffff RBX: ffff880079c0cd80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffffff
RBP: ffff880075507e70 R08: 0000000000000001 R09: 00000000000000be
R10: 00000000000000bd R11: 0000000000000003 R12: 000000000000b008
R13: 0000000000000008 R14: 000000000000b010 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff880079c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffff880079fff000 CR3: 0000000001c0b000 CR4: 00000000001006f0
Stack:
ffff880079c0cd80 000000000000b008 0000000000000008 ffff880075507e88
ffffffff810aecb0 ffff880079c0cd80 ffff880075507e98 ffffffff81030168
ffff880075507ed8 ffffffff81d1104f 00000000000000c3 0000000000000000
Call Trace:
[<ffffffff810aecb0>] clockevents_config_and_register+0x20/0x30
[<ffffffff81030168>] setup_APIC_timer+0xc8/0xd0
[<ffffffff81d1104f>] setup_boot_APIC_clock+0x4cc/0x4d8
[<ffffffff81d0f5de>] native_smp_prepare_cpus+0x3dd/0x3f0
[<ffffffff81d02ee9>] kernel_init_freeable+0xc3/0x205
[<ffffffff8177c910>] ? rest_init+0x90/0x90
[<ffffffff8177c91e>] kernel_init+0xe/0x120
[<ffffffff8178deec>] ret_from_fork+0x7c/0xb0
[<ffffffff8177c910>] ? rest_init+0x90/0x90
Prevent this from happening by:
1) Modifying try_msr_calibrate_tsc() to return calibration value or zero
if it fails.
2) Check this return value in native_calibrate_tsc() and in case of zero
fallback to use normal non-MSR based calibration.
[mw: Added subject and changelog]
Reported-and-tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Bin Gao <bin.gao@linux.intel.com>
Cc: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/r/1392810750-18660-1-git-send-email-mika.westerberg@linux.intel.com
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into clk-fixes
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Fix tegra_init_cache() to check whether the system has a PL310 cache
before touching the PL310 registers. This prevents access to non-existent
registers on Tegra114 and later.
Note for stable kernels:
In <= v3.12, the file to patch is arch/arm/mach-tegra/common.c.
Cc: <stable@vger.kernel.org> # v3.9+
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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The number of the head specifies the index of the display controller
unit and is required to properly configure outputs so that they receive
video data from the correct source.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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fixes
mvebu dt fixes for v3.14
- mvebu: add missing 'eth3' alias for mv78260
- dove: revert PMU interrupt controller node, wait for driver to land.
* tag 'mvebu-dt-fixes-3.14' of git://git.infradead.org/linux-mvebu:
ARM: dove: dt: revert PMU interrupt controller node
ARM: mvebu: dt: add missing alias 'eth3' on Armada XP mv78260
Signed-off-by: Olof Johansson <olof@lixom.net>
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When building a kernel image with only CONFIG_CPU_IDLE but no CONFIG_PM,
we will get the following link error.
LD init/built-in.o
arch/arm/mach-imx/built-in.o: In function `imx6q_enter_wait':
platform-spi_imx.c:(.text+0x25c0): undefined reference to `imx6q_set_lpm'
platform-spi_imx.c:(.text+0x25d4): undefined reference to `imx6q_set_lpm'
arch/arm/mach-imx/built-in.o: In function `imx6q_cpuidle_init':
platform-spi_imx.c:(.init.text+0x75d4): undefined reference to `imx6q_set_chicken_bit'
make[1]: *** [vmlinux] Error 1
Since pm-imx6q.c has been a collection of library functions that access
CCM low-power registers used by not only suspend but also cpuidle and
other drivers, let's build pm-imx6q.c independently of CONFIG_PM to fix
above error.
Reported-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: stable@vger.kernel.org
Acked-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fixes for omaps, mostly to deal with the 34xx vs 36xx SoC
configuration for overo boards.
* tag 'omap-for-v3.14/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
Documentation: dt: OMAP: Update Overo/Tobi
ARM: dts: Add support for both OMAP35xx and OMAP36xx Overo/Tobi
ARM: dts: omap3-tobi: Use the correct vendor prefix
ARM: dts: omap3-tobi: Fix boot with OMAP36xx-based Overo
ARM: OMAP2+: Remove legacy macros for zoom platforms
ARM: OMAP2+: Remove MACH_NOKIA_N800
ARM: dts: N900: add missing compatible property
ARM: dts: N9/N950: fix boot hang with 3.14-rc1
ARM: OMAP1: nokia770: enable tahvo-usb
ARM: OMAP2+: gpmc: fix: DT ONENAND child nodes not probed when MTD_ONENAND is built as module
ARM: OMAP2+: gpmc: fix: DT NAND child nodes not probed when MTD_NAND is built as module
ARM: dts: omap3-gta04: Fix mmc1 properties.
ARM: dts: omap3-gta04: Fix 'aux' gpio key flags.
ARM: OMAP2+: add missing ARCH_HAS_OPP
ARM: dts: am335x-evmsk: Fix mmc1 support
ARM: DTS: am335x-evmsk: Correct audio clock frequency
ARM: dts: omap3-gta04: Add EOC irq gpio line handling.
Signed-off-by: Olof Johansson <olof@lixom.net>
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This alias entry was evidently cut/paste from a different board, and
not correctly updated to match Cardhu. Fix this.
Fixes: 553c0a200e20 ("ARM: tegra: set up /aliases entries for RTCs")
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Pull ARM fixes from Russell King:
"A range of ARM fixes. Biggest change is the stage-2 attributes used
for for hyp mode which were wrong. I've killed some bits in a couple
of DT files which turned out not to be required, and a few other
fixes.
One fix touches code outside of arch/arm, which is related to sorting
out the DMA masks correctly. There is a long standing issue with the
conversion from PFNs to addresses where people assume that shifting an
unsigned long left by PAGE_SHIFT results in a correct address. This
is not the case with C: the integer promotion happens at assignment
after evaluation. This fixes the recently introduced dma_max_pfn()
function, but there's a number of other places where we try this
directly on an unsigned long in the mm code"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 7957/1: add DSB after icache flush in __flush_icache_all()
Fix uses of dma_max_pfn() when converting to a limiting address
ARM: 7955/1: spinlock: ensure we have a compiler barrier before sev
ARM: 7953/1: mm: ensure TLB invalidation is complete before enabling MMU
ARM: 7952/1: mm: Fix the memblock allocation for LPAE machines
ARM: 7950/1: mm: Fix stage-2 device memory attributes
ARM: dts: fix spdif pinmux configuration
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https://git.kernel.org/pub/scm/linux/kernel/git/hzhuang1/linux into fixes
* tag 'pwm_pxa_for_v3.14' of https://git.kernel.org/pub/scm/linux/kernel/git/hzhuang1/linux:
ARM: pxa: Add dummy backlight power supply on Mitac Mio A701
Signed-off-by: Olof Johansson <olof@lixom.net>
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