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This solves a section mismatch warning. I hadn't noticed this before,
because my compiler was inlining tegra_cpu_reset_handler_enable() inside
tegra_cpu_reset_handler_init(), which is already __init, but I switched
compilers and it stopped doing that.
Cc: <stable@kernel.org> # v3.4
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Instruction bundles are always little-endian, even when running in
big-endian mode. I missed this internal bug fix when cherry-picking
the big-endian code to return to the community.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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This reverts commit d509835e32bd761a2b7b446034a273da568e5573. That commit
breaks support for the generic pass-through mode in the driver for formats,
not natively supported by it. Besides due to a merge conflict it also breaks
driver compilation:
drivers/media/video/mx2_camera.c: In function 'mx2_camera_set_bus_param':
drivers/media/video/mx2_camera.c:937: error: 'pixfmt' undeclared (first use in this function)
drivers/media/video/mx2_camera.c:937: error: (Each undeclared identifier is reported only once
drivers/media/video/mx2_camera.c:937: error: for each function it appears in.)
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Wanpeng Li <liwp@linux.vnet.ibm.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Gavin Shan <shangw@linux.vnet.ibm.com>
Cc: Wanpeng Li <liwp.linux@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Commit a53025724052b2b1edbc982a4a248784638f563d (OMAP: Add debugfs
node to show the summary of all clocks) introduced clock summary,
however, we are interested in seeing snapshot of the clock state, not
in dynamically changing clock configurations as the data provided by
clock summary will then be useless for debugging configuration
issues. So, hold the common lock when dumping the clock summary.
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
[nm@ti.com: added commit message]
Signed-off-by: Nishanth Menon <nm@ti.com>
[paul@pwsan.com: minor edits to commit message]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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v3.5-rc1 fails to build when DT and iconnect is enabled because of
this now none existant include file.
Also remove the other two SPI include files, which are not needed
with the move to DT.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Olof Johansson <olof@lixom.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 bit larger set than usual, unfortunately -- I've been sitting on
them longer than I meant to so it's really more like 2 -rc pull
requests in one, volume-wise.
Nearly everything is fixes for fallout from the merge window, or other
fixes for bugs. The one exception is the highbank L2-enablement
patch, but it was contained enough that I picked it up anyway:
- i.MX fixes, mostly for clock and pinctrl changes
- OMAP fixes, mostly PM-related
- A patch to enable L2 on highbank
- A couple of fixes for PXA, Kirkwood, Versatile"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
ARM: Kirkwood: Fix clk problems modular ethernet driver
arm: versatile: fix and enable PCI I/O space
ARM: highbank: Add smc calls to enable/disable the L2
ARM i.MX imx21ads: Fix overlapping static i/o mappings
ARM: imx6: exit coherency when shutting down a cpu
ARM: mx51: Add pinctrl_provide_dummies()
ARM: mx31: Add pinctrl_provide_dummies()
ARM: OMAP2+: Fix compile for CONFIG_TIDSPBRIDGE platform init code
ARM: OMAP3: Fix omap3_l3_block_irq warning when CONFIG_BUG is not set
ARM: OMAP: Fix MMC_OMAP build when only MMC_OMAP_HS is selected
OMAP2+: UART: Add mechanism to probe uart pins and configure rx wakeup
ARM: mmp: fix missing cascade_irq in irq handler
ARM: dts: update memory size on brownstone
ARM i.MX27 Visstrim M10: fix gpio handling.
ARM i.MX53: Fix PLL4 base address
ARM i.MX pllv2: make round_rate accurate
ARM i.MX pllv2: use standard register set unconditionally
ARM: OMAP: Fix lis3lv02d accelerometer to use gpio_to_irq
ARM: imx: only call l2x0_init if it's available
ARM: imx: only specify i2c device type once
...
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When the ethernet driver was built as a module, it would lock the
machine when loaded. At boot the ethernet clks are unused, so get
turned off. Later, when the module is loaded, the probe function
would access the hardware before the clock was restarted, and the
machine would lock. It has also been determined that when the clk is
turned off, the interface forgets its MAC address, which for most
systems, is set by the boot loader.
When the machine setup file creates a platform device for the
interface, prepare and enable the clock for the interface. This will
ensure it is not turned off. However, if the setup file only
instantiates one platform device, the other will have its clk
disabled, thus maybe saving a little power.
Report-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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With commit 4d5fc58dbe34b (ARM: remove bunch of now unused
mach/io.h files), the I/O space setup was completely broken on
versatile. This patch fixes that and prepares for further
I/O space clean-up.
I/O space handling on the versatile platform is currently
broken in multiple ways. Most importantly, the ports do
not get mapped into the virtual address space at all.
Also, there is some amount of confusion between PCI I/O
space and other statically mapped MMIO registers in the
platform code:
* The __io_address() macro that is used to access the
platform register maps to the same __io macro that gets
used for I/O space.
* The IO_SPACE_LIMIT is set to a value that is much larger
than the total available space.
* The I/O resource of the PCI bus is set to the physical
address of the mapping, which is way outside of the
actual I/O space limit as well as the address range that
gets decoded by traditional PCI cards.
* No attempt is made to stay outside of the ISA port range
that some device drivers try access.
* No resource gets requested as a child of ioport_resource,
but an IORESOURCE_IO type mapping gets requested
as a child of iomem_resource.
This patch attempts to correct all of the above. This makes
it possible to use virtio-pci based virtual devices as well
as actual PCI cards including those with legacy ISA port
ranges like VGA.
Some of the issues seem to be duplicated on other platforms.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[rob: update to 3.5-rc2 and io.h cleanup related changes]
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Tested-by: Robert Schwebel <r.schwebel@pengutronix.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
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* 'fixes' of git://github.com/hzhuang1/linux:
ARM: mmp: fix missing cascade_irq in irq handler
ARM: dts: update memory size on brownstone
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile
Pull arch/tile update from Chris Metcalf:
"This one-line bug fix unbreaks glibc robust mutexes (among other
things no doubt), from code merged in during the 3.5 merge window but
which we had been running internally at Tilera for almost a year."
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: fix bug in get_user() for 4-byte values
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The definition of 32-bit values in the 64-bit tilegx architecture is that
they should be sign-extended regardless of whether they are considered
signed or unsigned by the compiler. Accordingly, we need to use an
"ld4s" rather than "ld4u" to load and sign-extend for get_user().
This fixes glibc bug 14238 (see http://sourceware.org/bugzilla),
introduced during the 3.5 merge window.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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Fixup entries in the kernel exception tables should be 4-byte aligned
since we return directly to them when handling a faulting instruction in
the kernel.
This patch adds the missing align directives to the fixup entries.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA-mapping fixes from Marek Szyprowski:
"A set of minor fixes for dma-mapping code (ARM and x86) required for
Contiguous Memory Allocator (CMA) patches merged in v3.5-rc1."
* 'fixes-for-linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
x86: dma-mapping: fix broken allocation when dma_mask has been provided
ARM: dma-mapping: fix debug messages in dmabounce code
ARM: mm: fix type of the arm_dma_limit global variable
ARM: dma-mapping: Add missing static storage class specifier
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
Pull PowerPC fix from Paul Mackerras:
"Just one commit, and a one-liner at that, but an important one;
without it hard_irq_disable() does nothing on powerpc."
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
Make hard_irq_disable() actually hard-disable interrupts
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull five Xen bug-fixes from Konrad Rzeszutek Wilk:
- When booting as PVHVM we would try to use PV console - but would not validate
the parameters causing us to crash during restore b/c we re-use the wrong event
channel.
- When booting on machines with SR-IOV PCI bridge we didn't check for the bridge
and tried to use it.
- Under AMD machines would advertise the APERFMPERF resulting in needless amount
of MSRs from the guest.
- A global value (xen_released_pages) was not subtracted at bootup when pages
were added back in. This resulted in the balloon worker having the wrong
account of how many pages were truly released.
- Fix dead-lock when xen-blkfront is run in the same domain as xen-blkback.
* tag 'stable/for-linus-3.5-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: mark local pages as FOREIGN in the m2p_override
xen/setup: filter APERFMPERF cpuid feature out
xen/balloon: Subtract from xen_released_pages the count that is populated.
xen/pci: Check for PCI bridge before using it.
xen/events: Add WARN_ON when quick lookup found invalid type.
xen/hvc: Check HVM_PARAM_CONSOLE_[EVTCHN|PFN] for correctness.
xen/hvc: Fix error cases around HVM_PARAM_CONSOLE_PFN
xen/hvc: Collapse error logic.
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Pull sparc update from David S. Miller:
"This just removes some sparc headers that were never, ever, used."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: remove two unused headers
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar.
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/smp: Fix topology checks on AMD MCM CPUs
x86/mm: Fix some kernel-doc warnings
x86, um: Correct syscall table type attributes breaking gcc 4.8
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar.
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
watchdog: Quiet down the boot messages
perf/x86: Fix broken LBR fixup code
tracing: Have tracing_off() actually turn tracing off
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Provide an iterator to receive the log buffer content, and convert all
kmsg_dump() users to it.
The structured data in the kmsg buffer now contains binary data, which
should no longer be copied verbatim to the kmsg_dump() users.
The iterator should provide reliable access to the buffer data, and also
supports proper log line-aware chunking of data while iterating.
Signed-off-by: Kay Sievers <kay@vrfy.org>
Tested-by: Tony Luck <tony.luck@intel.com>
Reported-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Tested-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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At present, hard_irq_disable() does nothing on powerpc because of
this code in include/linux/interrupt.h:
#ifndef hard_irq_disable
#define hard_irq_disable() do { } while(0)
#endif
So we need to make our hard_irq_disable be a macro. It was previously
a macro until commit 7230c56441 ("powerpc: Rework lazy-interrupt
handling") changed it to a static inline function.
Cc: stable@vger.kernel.org
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
--
arch/powerpc/include/asm/hw_irq.h | 3 +++
1 file changed, 3 insertions(+)
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Signal delivery compat path may not have the 'TS_COMPAT' flag (that
flag indicates how we entered the kernel). So use
test_thread_flag(TIF_IA32) instead of is_ia32_task(): one of the
functions of TIF_IA32 is just what kind of signal frame we want.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1339722435.3475.57.camel@sbsiddha-desk.sc.intel.com
Cc: stable@kernel.org # v3.4
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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When the frontend and the backend reside on the same domain, even if we
add pages to the m2p_override, these pages will never be returned by
mfn_to_pfn because the check "get_phys_to_machine(pfn) != mfn" will
always fail, so the pfn of the frontend will be returned instead
(resulting in a deadlock because the frontend pages are already locked).
INFO: task qemu-system-i38:1085 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
qemu-system-i38 D ffff8800cfc137c0 0 1085 1 0x00000000
ffff8800c47ed898 0000000000000282 ffff8800be4596b0 00000000000137c0
ffff8800c47edfd8 ffff8800c47ec010 00000000000137c0 00000000000137c0
ffff8800c47edfd8 00000000000137c0 ffffffff82213020 ffff8800be4596b0
Call Trace:
[<ffffffff81101ee0>] ? __lock_page+0x70/0x70
[<ffffffff81a0fdd9>] schedule+0x29/0x70
[<ffffffff81a0fe80>] io_schedule+0x60/0x80
[<ffffffff81101eee>] sleep_on_page+0xe/0x20
[<ffffffff81a0e1ca>] __wait_on_bit_lock+0x5a/0xc0
[<ffffffff81101ed7>] __lock_page+0x67/0x70
[<ffffffff8106f750>] ? autoremove_wake_function+0x40/0x40
[<ffffffff811867e6>] ? bio_add_page+0x36/0x40
[<ffffffff8110b692>] set_page_dirty_lock+0x52/0x60
[<ffffffff81186021>] bio_set_pages_dirty+0x51/0x70
[<ffffffff8118c6b4>] do_blockdev_direct_IO+0xb24/0xeb0
[<ffffffff811e71a0>] ? ext3_get_blocks_handle+0xe00/0xe00
[<ffffffff8118ca95>] __blockdev_direct_IO+0x55/0x60
[<ffffffff811e71a0>] ? ext3_get_blocks_handle+0xe00/0xe00
[<ffffffff811e91c8>] ext3_direct_IO+0xf8/0x390
[<ffffffff811e71a0>] ? ext3_get_blocks_handle+0xe00/0xe00
[<ffffffff81004b60>] ? xen_mc_flush+0xb0/0x1b0
[<ffffffff81104027>] generic_file_aio_read+0x737/0x780
[<ffffffff813bedeb>] ? gnttab_map_refs+0x15b/0x1e0
[<ffffffff811038f0>] ? find_get_pages+0x150/0x150
[<ffffffff8119736c>] aio_rw_vect_retry+0x7c/0x1d0
[<ffffffff811972f0>] ? lookup_ioctx+0x90/0x90
[<ffffffff81198856>] aio_run_iocb+0x66/0x1a0
[<ffffffff811998b8>] do_io_submit+0x708/0xb90
[<ffffffff81199d50>] sys_io_submit+0x10/0x20
[<ffffffff81a18d69>] system_call_fastpath+0x16/0x1b
The explanation is in the comment within the code:
We need to do this because the pages shared by the frontend
(xen-blkfront) can be already locked (lock_page, called by
do_read_cache_page); when the userspace backend tries to use them
with direct_IO, mfn_to_pfn returns the pfn of the frontend, so
do_blockdev_direct_IO is going to try to lock the same pages
again resulting in a deadlock.
A simplified call graph looks like this:
pygrub QEMU
-----------------------------------------------
do_read_cache_page io_submit
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lock_page ext3_direct_IO
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bio_add_page
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lock_page
Internally the xen-blkback uses m2p_add_override to swizzle (temporarily)
a 'struct page' to have a different MFN (so that it can point to another
guest). It also can easily find out whether another pfn corresponding
to the mfn exists in the m2p, and can set the FOREIGN bit
in the p2m, making sure that mfn_to_pfn returns the pfn of the backend.
This allows the backend to perform direct_IO on these pages, but as a
side effect prevents the frontend from using get_user_pages_fast on
them while they are being shared with the backend.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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JIT support for the XOR operation introduced by the commit
ffe06c17afbb.
Signed-off-by: Mircea Gherzan <mgherzan@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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t32_simulate_ldr_literal() can be run without an instruction slot, so it
should be using DECODE_SIMULATEX instead of DECODE_EMULATEX.
Acked-by: Jon Medhurst <tixy@yxit.co.uk>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Pull kvm fix from Marcelo Tosatti:
"Fix a spurious warning on CPU offline path"
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
x86: kvmclock: remove check_and_clear_guest_paused warning
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Commit 0a2b9a6ea93 ("X86: integrate CMA with DMA-mapping subsystem")
broke memory allocation with dma_mask. This patch fixes possible kernel
ops caused by lack of resetting page variable when jumping to 'again' label.
Reported-by: Konrad Rzeszutek Wilk <konrad@darnok.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
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Pull SuperH fixes from Paul Mundt.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
sh: Kill off additional asm-generic wrappers.
sh: Setup CROSS_COMPILE at the top
sh: Fix up link time defsym warnings.
sh: use the new generic strnlen_user() function
sh: switch to generic strncpy_from_user().
sh: Kill off last dead UBC header
serial: sh-sci: Make probe fail for ports that exceed the maximum count
serial: sh-sci: Fix probe error paths
clocksource: sh_tmu: Use clockevents_config_and_register().
clocksource: sh_tmu: Convert timer lock to raw spinlock.
clocksource: sh_mtu2: Convert timer lock to raw spinlock.
clocksource: sh_cmt: Convert timer lock to raw spinlock.
bug.h: need linux/kernel.h for TAINT_WARN.
sh: convert to kbuild asm-generic support.
sh64: Fix up fallout from generic init_task conversion.
sh: arch/sh/kernel/process.c needs asm/fpu.h for unlazy_fpu().
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k update from Geert Uytterhoeven.
This makes m68k use the generic library functions for the user-space
strn[cpy|len] functions.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Use generic strncpy_from_user(), strlen_user(), and strnlen_user()
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Pull omapdss build problem fix from Tomi Valkeinen:
"Small fixes for omapdss driver. Most importantly, fixes a build
problem when debugfs or omapdss debug support is turned off, and fixes
a suspend related crash."
This has apparently been annoying rmk for a while..
* tag 'omapdss-for-3.5-rc2' of git://gitorious.org/linux-omap-dss2/linux:
OMAPDSS: fix registration of DPI and SDI devices
OMAPDSS: DSI: Fix bug when calculating LP command interleaving parameters
OMAPDSS: fix bogus WARN_ON in dss_runtime_put()
OMAPDSS: Taal: fix compilation warning
OMAPDSS: fix build when DEBUG_FS or DSS_DEBUG_SUPPORT disabled
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I noticed that the LBR fixups were not working anymore
on programs where they used to. I tracked this down to
a recent change to copy_from_user_nmi():
db0dc75d640 ("perf/x86: Check user address explicitly in copy_from_user_nmi()")
This commit added a call to __range_not_ok() to the
copy_from_user_nmi() routine. The problem is that the logic
of the test must be reversed. __range_not_ok() returns 0 if the
range is VALID. We want to return early from copy_from_user_nmi()
if the range is NOT valid.
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Arun Sharma <asharma@fb.com>
Link: http://lkml.kernel.org/r/20120611134426.GA7542@quad
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The warning below triggers on AMD MCM packages because physical package
IDs on the cores of a _physical_ socket are the same. I.e., this field
says which CPUs belong to the same physical package.
However, the same two CPUs belong to two different internal, i.e.
"logical" nodes in the same physical socket which is reflected in the
CPU-to-node map on x86 with NUMA.
Which makes this check wrong on the above topologies so circumvent it.
[ 0.444413] Booting Node 0, Processors #1 #2 #3 #4 #5 Ok.
[ 0.461388] ------------[ cut here ]------------
[ 0.465997] WARNING: at arch/x86/kernel/smpboot.c:310 topology_sane.clone.1+0x6e/0x81()
[ 0.473960] Hardware name: Dinar
[ 0.477170] sched: CPU #6's mc-sibling CPU #0 is not on the same node! [node: 1 != 0]. Ignoring dependency.
[ 0.486860] Booting Node 1, Processors #6
[ 0.491104] Modules linked in:
[ 0.494141] Pid: 0, comm: swapper/6 Not tainted 3.4.0+ #1
[ 0.499510] Call Trace:
[ 0.501946] [<ffffffff8144bf92>] ? topology_sane.clone.1+0x6e/0x81
[ 0.508185] [<ffffffff8102f1fc>] warn_slowpath_common+0x85/0x9d
[ 0.514163] [<ffffffff8102f2b7>] warn_slowpath_fmt+0x46/0x48
[ 0.519881] [<ffffffff8144bf92>] topology_sane.clone.1+0x6e/0x81
[ 0.525943] [<ffffffff8144c234>] set_cpu_sibling_map+0x251/0x371
[ 0.532004] [<ffffffff8144c4ee>] start_secondary+0x19a/0x218
[ 0.537729] ---[ end trace 4eaa2a86a8e2da22 ]---
[ 0.628197] #7 #8 #9 #10 #11 Ok.
[ 0.807108] Booting Node 3, Processors #12 #13 #14 #15 #16 #17 Ok.
[ 0.897587] Booting Node 2, Processors #18 #19 #20 #21 #22 #23 Ok.
[ 0.917443] Brought up 24 CPUs
We ran a topology sanity check test we have here on it and
it all looks ok... hopefully :).
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120529135442.GE29157@aftab.osrc.amd.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This patch fixes the usage of uninitialized variables in dmabounce code
intoduced by commit a227fb92 ('ARM: dma-mapping: remove offset parameter
to prepare for generic dma_ops'):
arch/arm/common/dmabounce.c: In function ‘dmabounce_sync_for_device’:
arch/arm/common/dmabounce.c:409: warning: ‘off’ may be used uninitialized in this function
arch/arm/common/dmabounce.c:407: note: ‘off’ was declared here
arch/arm/common/dmabounce.c: In function ‘dmabounce_sync_for_cpu’:
arch/arm/common/dmabounce.c:369: warning: ‘off’ may be used uninitialized in this function
arch/arm/common/dmabounce.c:367: note: ‘off’ was declared here
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
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and 'sh/trivial' into sh-fixes-for-linus
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A few wrappers were overlooked in the initial conversion, take care of
them now.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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CROSS_COMPILE must be setup before using e.g. cc-option (and a few other
as-*, cc-*, ld-* macros), else they will check against the wrong compiler
when cross-compiling, and may invoke the cross compiler with wrong or
suboptimal compiler options.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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sh-linux-gnu-ld:--defsym 'jiffies=jiffies_64': ignoring invalid character `'' in expression
For some reason ld has recently started complaining about the quotes, so just
get rid of them, we don't need them for anything anyways.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This discards both the _32 and _64 versions in favour of the consolidated
generic one.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This kills off the special sh32/64 versions and adopts the generic
version. It should be possible to optimize this for SH-4A unaligned
loads, but this is a corner case that can be supported incrementally.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Commit 7025bec9125b0a02edcaf22c2dce753bf2c95480 ("sh: Kill off dead UBC
headers.") skipped arch/sh/include/cpu-sh2a/cpu/ubc.h. Since nothing is
using that header either, kill it off too.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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We had a boot regression in Ux500 in the merge window because
two orthogonal pin control schemes for the PL011 were merged
at the same time:
- One using the .init() and .exit() hooks into the platform
for Ux500 putting the pins into default vs sleep state
respectively as the port was started/stopped.
commit a09806607fd20bed2f8c41fe22793386790a14aa
"ARM: ux500: switch to using pinctrl for uart0"
- One hogging the default setting at PL011 probe()
commit 258e055111d3cde2607e0d04eb91da2f7a59b591
"serial: amba-pl011: adopt pinctrl support"
To get a solution that works for both let's scrap the stuff
in the platform callbacks, instead have the driver itself
select default and sleep states when the port is
started/stopped. Hopefully this works for all clients.
Platform callbacks are bad for device tree migration anyway,
so this rids us of another problem in Ux500.
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Reported-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu from Greg Ungerer:
"This contains five fixes. Four fix build problems introduced by
recent clean up and merging of the m68k timer and ptrace code. The
other fixes the 528x ColdFire CPU QSPI base address definition, missed
in the ColdFire QSPI cleanup."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: make syscall_trace_enter/leave exist for non-MMU classic m68k types
m68knommu: fix 68360 local setting of timer interrupt handler
m68knommu: fix 68328 local setting of timer interrupt handler
m68k: fix inclusion of arch_gettimeoffset for non-MMU 68k classic CPU types
m68knommu: m528x qspi definition fix
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CPU offline path calls the hrtimer interrupt handler with interrupts
disabled, without touching preempt_count, triggering this warning.
Remove the warning since it is supposed to be used from hrtimer
interrupt context only.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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The assembler entry code calls directly to the syscall_trace_enter() and
syscall_trace_leave() functions. But currently they are conditionaly
compiled out for the non-MMU classic m68k CPU types (so 68328 for example),
resulting in a link error:
LD vmlinux
arch/m68k/platform/68328/built-in.o: In function `do_trace':
(.text+0x1c): undefined reference to `syscall_trace_enter'
arch/m68k/platform/68328/built-in.o: In function `do_trace':
(.text+0x4c): undefined reference to `syscall_trace_leave'
Change the conditional check that includes these functions to be true for
the !defined(CONFIG_MMU) case as well.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Compiling for 68360 based targets fails with:
arch/m68k/platform/68360/config.c: In function ‘hw_tick’:
arch/m68k/platform/68360/config.c:55:2: error: implicit declaration of function ‘arch_timer_interrupt’
arch/m68k/platform/68360/config.c: At top level:
arch/m68k/platform/68360/config.c:64:6: error: conflicting types for ‘hw_timer_init’
arch/m68k/include/asm/machdep.h:36:13: note: previous declaration of ‘hw_timer_init’ was here
Changes made to hw_timer_init() didn't get updated in the 68328 timer code.
So process and call the "handler" arg that is now passed into that
hw_timer_init() function.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Compiling for 68328 based targets fails with:
arch/m68k/platform/68328/timers.c: In function ‘hw_tick’:
arch/m68k/platform/68328/timers.c:65:2: error: implicit declaration of function ‘arch_timer_interrupt’
arch/m68k/platform/68328/timers.c: At top level:
arch/m68k/platform/68328/timers.c:102:6: error: conflicting types for ‘hw_timer_init’
arch/m68k/include/asm/machdep.h:36:13: note: previous declaration of ‘hw_timer_init’ was here
Changes made to hw_timer_init() didn't get updated in the 68328 timer code.
So process and call the "handler" arg that is now passed into that
hw_timer_init() function.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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When building for non-MMU based classic 68k CPU types (like the 68328 for
example) you get a compilation error:
CC arch/m68k/kernel/time.o
arch/m68k/kernel/time.c:91:5: error: redefinition of ‘arch_gettimeoffset’
include/linux/time.h:145:19: note: previous definition of ‘arch_gettimeoffset’ was here
The arch_gettimeoffset() code is included when building for these CPU types,
but it shouldn't be. Those machine types do not have
CONFIG_ARCH_USES_GETTIMEOFFSET set.
The fix is simply to conditionally include the arch_gettimeoffset() code on
that same config setting that specifies its use or not.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The consolidation of the qspi code missed a definition for 528x.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Nothing includes these two headers. None of the macros they define are
used anywhere in the tree. This was also the case in v2.6.12-rc2 and,
presumably, every release in between. These two headers can safely be
removed.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is the 2nd part of fix for kernel bugzilla 40002:
"IRQ 0 assigned to VGA"
https://bugzilla.kernel.org/show_bug.cgi?id=40002
The root cause is the buggy FW, whose ACPI tables assign the GSI 16
to 2 irqs 0 and 16(VGA), and the VGA is the right owner of GSI 16.
So add a quirk to ignore the irq0 overriding GSI 16 for the
FUJITSU SIEMENS AMILO PRO V2030 platform will solve this issue.
Reported-and-tested-by: Szymon Kowalczyk <fazerxlo@o2.pl>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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