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Fix perf probe to return an error if no probe is added due to the given
probe point being on the blacklist.
To fix this problem, this moves the blacklist checking to right after
finding symbols/probe-points and marks them as skipped.
If all the symbols are skipped, "perf probe" returns an error as it
fails to find the corresponding probe address.
E.g. currently if a blacklisted probe is given:
# perf probe do_trap && echo 'succeed'
Added new event:
Warning: Skipped probing on blacklisted function: sync_regs
succeed
No! It must fail! With this patch, it correctly fails:
# perf probe do_trap && echo 'succeed'
do_trap is blacklisted function, skip it.
Probe point 'do_trap' not found.
Error: Failed to add events.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naohiro Aota <naota@elisp.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20150616115055.19906.31359.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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When libunwind is on, there is a compile error as :
util/unwind-libunwind.c:363:21: error: 'dso' undeclared (first use in this function)
dso__data_put_fd(dso);
This patch fixes it.
Signed-off-by: Hou Pengyang <houpengyang@huawei.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: 4bb11d012ab248d0 ("perf tools: Add dso__data_get/put_fd()")
Link: http://lkml.kernel.org/r/1434453395-10560-1-git-send-email-houpengyang@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Move 'struct perf_counts' allocation|free|reset code into separate
functions.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1434269985-521-13-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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It's stat specific. Updating python build objects with stat.c.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1434269985-521-12-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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In order to have 'struct thread_map' allocation on single place and can
change it easily in following patch.
Using alloc|realloc for static helpers, because thread_map__new is
already used in public interface.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1434269985-521-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To zero all the xyarray contents. It will be used in following patches.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1434269985-521-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Since commit 5e17b28f1e24 ("perf probe: Add --quiet option to
suppress output result message") have replaced printf with pr_info,
perf probe -l outputs its result in stderr. However, that is not
what the commit expected.
E.g.:
# perf probe -l > /dev/null
probe:vfs_read (on vfs_read@ksrc/linux-3/fs/read_write.c)
With this fix:
# perf probe -l > list
# cat list
probe:vfs_read (on vfs_read@ksrc/linux-3/fs/read_write.c)
Of course, --quiet(-q) still works on --add/--del.
# perf probe -q vfs_write
# perf probe -l
probe:vfs_read (on vfs_read@ksrc/linux-3/fs/read_write.c)
probe:vfs_write (on vfs_write@ksrc/linux-3/fs/read_write.c)
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Reported-by: Naohiro Aota <naota@elisp.net>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naohiro Aota <naota@elisp.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20150613013116.24402.2923.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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'make build-test' finds an error that make_python_perf_so fails due to
missing of libtraceevent-dynamic-list:
'.../python2' util/setup.py \
--quiet build_ext; \
mkdir -p python && \
cp python_ext_build/lib/perf.so python/
/path/to/ld: cannot open linker script file /path/to/kernel/tools/lib/traceevent/libtraceevent-dynamic-list: No such file or directory
collect2: error: ld returned 1 exit status
error: command 'x86_64-linux-gcc' failed with exit status 1
cp: cannot stat 'python_ext_build/lib/perf.so': No such file or directory
make[3]: *** [python/perf.so] Error 1
make[2]: *** [python/perf.so] Error 2
test: test -f ./python/perf.so
make[1]: *** [make_python_perf_so] Error 1
make: *** [build-test] Error 2
make: Leaving directory `/path/to/kernel/tools/perf'
This is caused by commit e3d09ec8126fe2c9a3ade661e2126e215ca27a80
("tools lib traceevent: Export dynamic symbols used by traceevent
plugins") that, it adds the list file to LDFLAGS but forgot to add it to
dependency list of python/perf.so.
This patch fixes this problem.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: He Kuang <hekuang@huawei.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Zefan Li <lizefan@huawei.com>
Link: http://lkml.kernel.org/r/1434079031-123162-1-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Use just reference counts, so that when no more hist_entry instances
references a map and the thread instance goes away by processing a
PERF_RECORD_EXIT, we can delete the maps.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-oym7lfhcc7ss6xpz44h7nbxs@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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'pci/host-generic', 'pci/host-imx6', 'pci/host-iproc' and 'pci/host-xgene' into next
* pci/host-designware:
PCI: designware: Use iATU0 for cfg and IO, iATU1 for MEM
PCI: designware: Consolidate outbound iATU programming functions
PCI: designware: Add support for x8 links
* pci/host-designware-common:
PCI: designware: Wait for link to come up with consistent style
PCI: layerscape: Factor out ls_pcie_establish_link()
PCI: layerscape: Use dw_pcie_link_up() consistently
PCI: dra7xx: Use dw_pcie_link_up() consistently
PCI: imx6: Rename imx6_pcie_start_link() to imx6_pcie_establish_link()
* pci/host-generic:
of/pci: Fix pci_address_to_pio() conversion of CPU address to I/O port
* pci/host-imx6:
PCI: imx6: Add #define PCIE_RC_LCSR
PCI: imx6: Use "u32", not "uint32_t"
PCI: imx6: Add speed change timeout message
* pci/host-iproc:
PCI: iproc: Free resource list after registration
PCI: iproc: Directly add PCI resources
PCI: iproc: Add BCMA PCIe driver
PCI: iproc: Allow override of device tree IRQ mapping function
* pci/host-xgene:
arm64: dts: Add APM X-Gene PCIe MSI nodes
PCI: xgene: Add APM X-Gene v1 PCIe MSI/MSIX termination driver
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Define PCIE_RC_LCSR and use it instead of the bare offset "0x80."
No functional change.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use "u32", not "uint32_t", for consistency. Use "tmp", not "temp", for
consistency within the driver.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Richard Zhu <Richard.Zhu@freescale.com>
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When CONFIG_SND_HDA_I915=n, we get a compile warning:
sound/pci/hda/hda_intel.c: In function ‘azx_probe_continue’:
sound/pci/hda/hda_intel.c:1882:2: warning: label ‘skip_i915’ defined but not used [-Wunused-label]
Fix it by putting again ifdef to it. Sigh.
Fixes: bf06848bdbe5 ('ALSA: hda - Continue probing even if i915 binding fails')
Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The Exynos interrupt combiner IP loses its state when the SoC enters
into a low power state during a Suspend-to-RAM. This means that if a
IRQ is used as a source, the interrupts for the devices are disabled
when the system is resumed from a sleep state so are not triggered.
Save the interrupt enable set register for each combiner group and
restore it after resume to make sure that the interrupts are enabled.
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Doug Anderson <dianders@chromium.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Peter Chubb <peter.chubb@nicta.com.au>
Cc: Shuah Khan <shuahkhan@gmail.com>
Cc: Chanho Park <parkch98@gmail.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Link: http://lkml.kernel.org/r/1434087795-13990-1-git-send-email-javier.martinez@collabora.co.uk
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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This patch fixes some issues given by checkpatch. Fixes include
bracket placement, spacing and indenting.
Signed-off-by: Daniel Lockyer <thisisdaniellockyer@gmail.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Now pcf857x_irq() IRQ's dispatcher will try to run nested
IRQ handlers for each GPIO pin which state has changed.
Such IRQs are, actually, spurious and nested IRQ handlers
have to be called only for IRQs wich were enabled by users.
This is not critical issue - just /proc/interrupts
will display counters for unused IRQS:
399: 4 0 pcf857x 0 Edge
428: 1 0 pcf857x 13 Edge
430: 1 0 pcf857x 15 Edge
Hence, fix it by adding irq_enabled field in struct pcf857x to track
enabled GPIO IRQs and corresponding callbacks in pcf857x_irq_chip.
Similar functionality was presented in pcf857x driver, commit
21fd3cd1874a ('gpio: pcf857x: call the gpio user handler iff...')
and then it was removed by commit
a39294bdf4b0 ('gpio: pcf857x: Switch to use gpiolib irqchip...')
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Fixes: a39294bdf4b0 ('gpio: pcf857x: Switch to use gpiolib irqchip helpers')
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The functions irq_move_irq() and irq_move_masked_irq() expect that the
caller passes the top-level irq_data to them when hierarchical
irqdomains are enabled. But that's not true when called from
apic_ack_edge(), which results in a null pointer dereference by
idata->chip->irq_mask(idata).
Instead of fixing callers to passing top-level irq_data, we rather
change irq_move_irq()/irq_move_masked_irq() to accept any irq_data.
Fixes: 52f518a3a7c 'x86/MSI: Use hierarchical irqdomains to manage MSI interrupts'
Reported-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Link: http://lkml.kernel.org/r/1433145945-789-3-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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For irq associated with hierarchy irqdomains, there will be multiple
irq_datas for one irq_desc. So enhance irq_data_to_desc() to support
hierarchy irqdomain. Also export irq_data_to_desc() as an inline
function for later reuse.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Link: http://lkml.kernel.org/r/1433145945-789-2-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Document the device-tree binding of Mediatek MMC host
Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The current handler of MMC_BLK_CMD_ERR in mmc_blk_issue_rw_rq function
may cause new coming request permanent missing when the ongoing
request (previoulsy started) complete end.
The problem scenario is as follows:
(1) Request A is ongoing;
(2) Request B arrived, and finally mmc_blk_issue_rw_rq() is called;
(3) Request A encounters the MMC_BLK_CMD_ERR error;
(4) In the error handling of MMC_BLK_CMD_ERR, suppose mmc_blk_cmd_err()
end request A completed and return zero. Continue the error handling,
suppose mmc_blk_reset() reset device success;
(5) Continue the execution, while loop completed because variable ret
is zero now;
(6) Finally, mmc_blk_issue_rw_rq() return without processing request B.
The process related to the missing request may wait that IO request
complete forever, possibly crashing the application or hanging the system.
Fix this issue by starting new request when reset success.
Signed-off-by: Ding Wang <justin.wang@spreadtrum.com>
Fixes: 67716327eec7 ("mmc: block: add eMMC hardware reset support")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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When dma mapping (dma_map_sg) fails in sdhci_pre_dma_transfer, -EINVAL
is returned. There are 3 callers of sdhci_pre_dma_transfer:
* sdhci_pre_req and sdhci_adma_table_pre: handle negative return
* sdhci_prepare_data: handles 0 (error) and "else" (good) only
sdhci_prepare_data is therefore broken. When it receives -EINVAL from
sdhci_pre_dma_transfer, it assumes 1 sg mapping was mapped. Later,
this non-existent mapping with address 0 is kmap'ped and written to:
Corrupted low memory at ffff880000001000 (1000 phys) = 22b7d67df2f6d1cf
Corrupted low memory at ffff880000001008 (1008 phys) = 63848a5216b7dd95
Corrupted low memory at ffff880000001010 (1010 phys) = 330eb7ddef39e427
Corrupted low memory at ffff880000001018 (1018 phys) = 8017ac7295039bda
Corrupted low memory at ffff880000001020 (1020 phys) = 8ce039eac119074f
...
So teach sdhci_prepare_data to understand negative return values from
sdhci_pre_dma_transfer and disable DMA in that case, as well as for
zero.
It was introduced in 348487cb28e66b032bae1b38424d81bf5b444408 (mmc:
sdhci: use pipeline mmc requests to improve performance). The commit
seems to be suspicious also by assigning host->sg_count both in
sdhci_pre_dma_transfer and sdhci_adma_table_pre.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: stable@vger.kernel.org # 4.0+
Fixes: 348487cb28e6
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Haibo Chen <haibo.chen@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Change this quirk to apply to AMD Carrizo platform.
Signed-off-by: Wan ZongShun <Vincent.Wan@amd.com>
Tested-by: Nath, Arindam <Arindam.Nath@amd.com>
Tested-by: Ramesh, Ramya <Ramya.Ramesh@amd.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Change AMD CZ SMBUS device ID from 0x790b to
use Macro definition
Signed-off-by: Wan ZongShun <Vincent.Wan@amd.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Fix a "Trying to vfree() nonexistent vm area" error when unloading the CAAM
controller module by providing the correct pointer value to iounmap().
Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The CAAM driver uses two data buffers to store data for a hashing operation,
with one buffer defined as active. This change forces switching of the
active buffer when executing a hashing operation to avoid a later DMA unmap
using the length of the opposite buffer.
Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Added a mpi_read_buf() helper function to export MPI to a buf provided by
the user, and a mpi_get_size() helper, that tells the user how big the buf is.
Changed mpi_free to use kzfree instead of kfree because it is used to free
crypto keys.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch reidents the vmx code-base to the kernel coding style.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The top-level CRYPTO_DEV_VMX option already depends on PPC64 so
there is no need to depend on it again at CRYPTO_DEV_VMX_ENCRYPT.
This patch also removes a redundant "default n".
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The hwrng output buffers (2) are cast inside of a a struct (caam_rng_ctx)
allocated in one DMA-tagged region. While the kernel's heap allocator
should place the overall struct on a cacheline aligned boundary, the 2
buffers contained within may not necessarily align. Consenquently, the ends
of unaligned buffers may not fully flush, and if so, stale data will be left
behind, resulting in small repeating patterns.
This fix aligns the buffers inside the struct.
Note that not all of the data inside caam_rng_ctx necessarily needs to be
DMA-tagged, only the buffers themselves require this. However, a fix would
incur the expense of error-handling bloat in the case of allocation failure.
Cc: stable@vger.kernel.org
Signed-off-by: Steve Cornelius <steve.cornelius@freescale.com>
Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Multiple function in asynchronous hashing use a saved-state block,
a.k.a. struct caam_hash_state, which holds a stash of information
between requests (init/update/final). Certain values in this state
block are loaded for processing using an inline-if, and when this
is done, the potential for uninitialized data can pose conflicts.
Therefore, this patch improves initialization of state data to
prevent false assignments using uninitialized data in the state block.
This patch addresses the following traceback, originating in
ahash_final_ctx(), although a problem like this could certainly
exhibit other symptoms:
kernel BUG at arch/arm/mm/dma-mapping.c:465!
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = 80004000
[00000000] *pgd=00000000
Internal error: Oops: 805 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 Not tainted (3.0.15-01752-gdd441b9-dirty #40)
PC is at __bug+0x1c/0x28
LR is at __bug+0x18/0x28
pc : [<80043240>] lr : [<8004323c>] psr: 60000013
sp : e423fd98 ip : 60000013 fp : 0000001c
r10: e4191b84 r9 : 00000020 r8 : 00000009
r7 : 88005038 r6 : 00000001 r5 : 2d676572 r4 : e4191a60
r3 : 00000000 r2 : 00000001 r1 : 60000093 r0 : 00000033
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c53c7d Table: 1000404a DAC: 00000015
Process cryptomgr_test (pid: 1306, stack limit = 0xe423e2f0)
Stack: (0xe423fd98 to 0xe4240000)
fd80: 11807fd1 80048544
fda0: 88005000 e4191a00 e5178040 8039dda0 00000000 00000014 2d676572 e4191008
fdc0: 88005018 e4191a60 00100100 e4191a00 00000000 8039ce0c e423fea8 00000007
fde0: e4191a00 e4227000 e5178000 8039ce18 e419183c 80203808 80a94a44 00000006
fe00: 00000000 80207180 00000000 00000006 e423ff08 00000000 00000007 e5178000
fe20: e41918a4 80a949b4 8c4844e2 00000000 00000049 74227000 8c4844e2 00000e90
fe40: 0000000e 74227e90 ffff8c58 80ac29e0 e423fed4 8006a350 8c81625c e423ff5c
fe60: 00008576 e4002500 00000003 00030010 e4002500 00000003 e5180000 e4002500
fe80: e5178000 800e6d24 007fffff 00000000 00000010 e4001280 e4002500 60000013
fea0: 000000d0 804df078 00000000 00000000 00000000 00000000 00000000 00000000
fec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
fee0: 00000000 00000000 e4227000 e4226000 e4753000 e4752000 e40a5000 e40a4000
ff00: e41e7000 e41e6000 00000000 00000000 00000000 e423ff14 e423ff14 00000000
ff20: 00000400 804f9080 e5178000 e4db0b40 00000000 e4db0b80 0000047c 00000400
ff40: 00000000 8020758c 00000400 ffffffff 0000008a 00000000 e4db0b40 80206e00
ff60: e4049dbc 00000000 00000000 00000003 e423ffa4 80062978 e41a8bfc 00000000
ff80: 00000000 e4049db4 00000013 e4049db0 00000013 00000000 00000000 00000000
ffa0: e4db0b40 e4db0b40 80204cbc 00000013 00000000 00000000 00000000 80204cfc
ffc0: e4049da0 80089544 80040a40 00000000 e4db0b40 00000000 00000000 00000000
ffe0: e423ffe0 e423ffe0 e4049da0 800894c4 80040a40 80040a40 00000000 00000000
[<80043240>] (__bug+0x1c/0x28) from [<80048544>] (___dma_single_dev_to_cpu+0x84)
[<80048544>] (___dma_single_dev_to_cpu+0x84/0x94) from [<8039dda0>] (ahash_fina)
[<8039dda0>] (ahash_final_ctx+0x180/0x428) from [<8039ce18>] (ahash_final+0xc/0)
[<8039ce18>] (ahash_final+0xc/0x10) from [<80203808>] (crypto_ahash_op+0x28/0xc)
[<80203808>] (crypto_ahash_op+0x28/0xc0) from [<80207180>] (test_hash+0x214/0x5)
[<80207180>] (test_hash+0x214/0x5b8) from [<8020758c>] (alg_test_hash+0x68/0x8c)
[<8020758c>] (alg_test_hash+0x68/0x8c) from [<80206e00>] (alg_test+0x7c/0x1b8)
[<80206e00>] (alg_test+0x7c/0x1b8) from [<80204cfc>] (cryptomgr_test+0x40/0x48)
[<80204cfc>] (cryptomgr_test+0x40/0x48) from [<80089544>] (kthread+0x80/0x88)
[<80089544>] (kthread+0x80/0x88) from [<80040a40>] (kernel_thread_exit+0x0/0x8)
Code: e59f0010 e1a01003 eb126a8d e3a03000 (e5833000)
---[ end trace d52a403a1d1eaa86 ]---
Cc: stable@vger.kernel.org
Signed-off-by: Steve Cornelius <steve.cornelius@freescale.com>
Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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lapic.timer_mode was not properly initialized after migration, which
broke few useful things, like login, by making every sleep eternal.
Fix this by calling apic_update_lvtt in kvm_apic_post_state_restore.
There are other slowpaths that update lvtt, so this patch makes sure
something similar doesn't happen again by calling apic_update_lvtt
after every modification.
Cc: stable@vger.kernel.org
Fixes: f30ebc312ca9 ("KVM: x86: optimize some accesses to LVTT and SPIV")
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Turns out 1366x768 does not in fact work on this hardware.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The new Dell XPS13 also requires the similar quirk for fixing the
noisy outputs. (But, as the codec was changed, now the fixup for
Latitude is used instead.)
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=99851
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This reverts commit 0aedb1626566efd72b369c01992ee7413c82a0c5.
I messed things up while applying [1] to drm-intel-fixes. Rectify.
[1] http://mid.gmane.org/1432827156-9605-1-git-send-email-ville.syrjala@linux.intel.com
Fixes: 0aedb1626566 ("drm/i915: Don't skip request retirement if the active list is empty")
Cc: stable@vger.kernel.org
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Fix the missing dependency on PCM stuff.
[Add the same fix for HAL2, too -- tiwai]
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The '__init aesni_init()' function calls the '__exit crypto_fpu_exit()'
function directly. Since they are in different sections, this generates
a warning.
make CONFIG_DEBUG_SECTION_MISMATCH=y
...
WARNING: arch/x86/crypto/aesni-intel.o(.init.text+0x12b): Section
mismatch in reference from the function init_module() to the function
.exit.text:crypto_fpu_exit()
The function __init init_module() references
a function __exit crypto_fpu_exit().
This is often seen when error handling in the init function
uses functionality in the exit path.
The fix is often to remove the __exit annotation of
crypto_fpu_exit() so it may be used outside an exit section.
Fix the warning by removing the __exit annotation.
Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Replace the NX842_MEM_COMPRESS define with a function that returns the
specific platform driver's required working memory size.
The common nx-842.c driver refuses to load if there is no platform
driver present, so instead of defining an approximate working memory
size that's the maximum approximate size of both platform driver's
size requirements, the platform driver can directly provide its
specific, i.e. sizeof(struct nx842_workmem), size requirements which
the 842-nx crypto compression driver will use.
This saves memory by both reducing the required size of each driver
to the specific sizeof() amount, as well as using the specific loaded
platform driver's required amount, instead of the maximum of both.
Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move the contents of the include/linux/nx842.h header file into the
drivers/crypto/nx/nx-842.h header file. Remove the nx842.h header
file and its entry in the MAINTAINERS file.
The include/linux/nx842.h header originally was there because the
crypto/842.c driver needed it to communicate with the nx-842 hw
driver. However, that crypto compression driver was moved into
the drivers/crypto/nx/ directory, and now can directly include the
nx-842.h header. Nothing else needs the public include/linux/nx842.h
header file, as all use of the nx-842 hardware driver will be through
the "842-nx" crypto compression driver, since the direct nx-842 api is
very limited in the buffer alignments and sizes that it will accept,
and the crypto compression interface handles those limitations and
allows any alignment and size buffers.
Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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We still got a report that the audio crackles and noises occur with
the recent 4.1 kernels on Dell machines. These machines seem to need
similar workarounds that have been applied to the recent Dell XPS 13
models. Since the codec of these machines (Dell Latitute E7240 and
E7440) is different from XPS 13's one, we need a new fixup entry.
Also, it was confirmed that the previous workaround to disable the
widget power-save (commit [219f47e4f964: ALSA: hda - Disable widget
power-saving for ALC292 & co]) is no longer needed after this fix.
So, this patch includes the partial revert of the commit, too.
Reported-and-tested-by: Mihai Donțu <mihai.dontu@gmail.com>
Tested-by: Jonathan McDowell <noodles@earth.li>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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On a HP Envy TouchSmart laptop, there are 2 speakers (main speaker
and subwoofer speaker), 1 headphone and 2 DACs, without this fixup,
the headphone will be assigned to a DAC and the 2 speakers will be
assigned to another DAC, this assignment makes the surround-2.1
channels invalid.
To fix it, here using a DAC/pin preference map to bind the main
speaker to 1 DAC and the subwoofer speaker will be assigned to another
DAC.
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The KERNCZ is new AMD SB/FCH generation name, like HUDSON2.
0x790b is the device ID for this generation.
Signed-off-by: Wan ZongShun <Vincent.Wan@amd.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Use kernel.h macro definition.
Thanks to Julia Lawall for Coccinelle scripting support.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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With the introduction of multiple views of an obj in the same vm, each
vma was taught to cache its copy of the pages (so that different views
could have different page arrangements). However, this missed decoupling
those vma->ggtt_view.pages when the vma released its reference on the
obj->pages. As we don't always free the vma, this leads to a possible
scenario (e.g. execbuffer interrupted by the shrinker) where the vma
points to a stale obj->pages, and explodes.
Fixes regression from commit fe14d5f4e5468c5b80a24f1a64abcbe116143670
Author: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Date: Wed Dec 10 17:27:58 2014 +0000
drm/i915: Infrastructure for supporting different GGTT views per object
Tvrtko says, if someone else will be confused how this can happen, key
is the reservation execbuffer path. That puts the VMA on the exec_list
which prevents i915_vma_unbind and i915_gem_vma_destroy from fully
destroying the VMA. So the VMA is left existing as an empty object in
the list - unbound and disassociated with the backing store. Kind of a
cached memory object. And then re-using it needs to clear the cached
pages pointer which is fixed above.
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1227892
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Michel Thierry <michel.thierry@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
[Jani: Added Tvrtko's explanation to commit message.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Pull dmaengine fixes from Vinod Koul:
"Here are hopefully last set of fixes for 4.1. This time we have:
- fixing pause capability reporting on both dmaengine pause & resume
support by Krzysztof
- locking fix fir at_xdmac by Ludovic
- slave configuration fix for at_xdmac by Ludovic"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: Fix choppy sound because of unimplemented resume
dmaengine: at_xdmac: rework slave configuration part
dmaengine: at_xdmac: lock fixes
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Pull NTB fixes from Jon Mason:
"I apologize for the tardiness of this request. Here are a couple of
last minute NTB bug fixes for v4.1:
NTB bug fixes to address issues in unmapping the MW reg base and
vbase, and an uninitialized variable on Atom platforms"
* tag 'ntb-4.1' of git://github.com/jonmason/ntb:
ntb: initialize max_mw for Atom before using it
ntb: iounmap MW reg and vbase in error path
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Pull more MIPS fixes from Ralf Baechle:
"Another round of 4.1 MIPS fixes, one fix to a MIPS-specific #if
condition in lib/mpi, one fix to the MIPS GIC irqchip driver and one
SSB fix.
Details:
- fix handling of clock in chipco SSB driver.
- fix two MIPS-specific #if conditions to correctly work for GCC 5.1.
- fix damage to R6 pgtable bits done by XPA support.
- fix possible crash due to unloading modules that contain statically
defined platform devices.
- fix disabling of the MSA ASE on context switch to also work
correctly when a new thread/process has the CPU for the very first
time.
This is part of linux-next and has been beaten to death on
Imagination's test farm.
While things are not looking too grim this pull request also means the
rate of fixes for 4.1 remains nearly constant so I'd not be unhappy if
you'd delay the release"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MPI: MIPS: Fix compilation error with GCC 5.1
IRQCHIP: mips-gic: Don't nest calls to do_IRQ()
MIPS: MSA: bugfix - disable MSA correctly for new threads/processes.
MIPS: Loongson: Do not register 8250 platform device from module.
MIPS: Cobalt: Do not build MTD platform device registration code as module.
SSB: Fix handling of ssb_pmu_get_alp_clock()
MIPS: pgtable-bits: Fix XPA damage to R6 definitions.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irqchip fix from Thomas Gleixner:
"A single fix for an off by one bug in the sunxi irqchip driver"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: sunxi-nmi: Fix off-by-one error in irq iterator
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull lockdep fix from Ingo Molnar:
"A lockdep/modules unload race fix that can oops"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lockdep: Fix a race between /proc/lock_stat and module unload
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"A regression fix for a crash, and a Intel HSW uncore PMU driver fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "perf/x86/intel/uncore: Move uncore_box_init() out of driver initialization"
perf/x86/intel/uncore: Fix CBOX bit wide and UBOX reg on Haswell-EP
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