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A selective retransmission request (SRR) is a fibre-channel
protocol control request which provides support for requesting
retransmission of a data sequence in response to an issue such as
frame loss or corruption. These events are experienced
infrequently in fibre-channel based networks which makes
it difficult to test and assess codepaths which handle these
events.
We were fortunate enough, for some definition of fortunate, to
have a metro-area single-mode SAN link which, at 10 GBPS
sustained load levels, would consistently generate SRR's in
a SCST based target implementation using our SCST/in-kernel
Qlogic target interface driver. In response to an SRR the
in-kernel Qlogic target driver immediately panics resulting
in a catastrophic storage failure for serviced initiators.
The culprit was a debug statement in the qla_target.c file which
does not verify that a pointer to the SCSI CDB is not null.
The unchecked pointer dereference results in the kernel panic
and resultant system failure.
The other two references to the SCSI CDB by the SRR handling code
use a ternary operator to verify a non-null pointer is being
acted on. This patch simply adds a similar test to the implicated
debug statement.
This patch is a candidate for any stable kernel being maintained
since it addresses a potentially catastrophic event with
minimal downside.
Signed-off-by: Dr. Greg Wettstein <greg@enjellic.com>
Cc: <stable@vger.kernel.org> #3.5+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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When passing tx frames to the U-APSD queue for powersave poll responses,
the ath_atx_tid pointer needs to be passed to ath_tx_setup_buffer for
proper sequence number accounting.
This fixes high latency and connection stability issues with ath9k
running as AP and a few kinds of mobile phones as client, when PS-Poll
is heavily used
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Both libertas USB driver and mwifiex_usb driver are registerring
with name 'usb8xxx'. The following conflict happens while trying
to load both drivers.
[6.211307] Error: Driver 'usb8xxx' is already registered...
[6.217261] mwifiex_usb: Driver register failed!
Fix it by renaming mwifiex_usb driver's name.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-fixes
Samuel Ortiz <sameo@linux.intel.com> says:
"NFC: 3.14: First pull request
We only have one candidate for 3.14 fixes, and this is a NCI NULL
pointer dereference introduced during the 3.14 merge window."
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
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When loading a dso it'll look for symbol tables of all possible types.
However it's just wasted of time to check incompatible types - like
trying kernel module when loading user library.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1392859976-32760-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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When dso__read_binary_type_filename() called, it doesn't check the
return value of filename__read_debuglink() so that it'll try to open the
debuglink file even if it doesn't exist.
Also fix return value of the filename__read_debuglink() as it always
return -1 regardless of the result.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392859976-32760-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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dm_pool_close_thin_device() must be called if dm_set_target_max_io_len()
fails in thin_ctr(). Otherwise __pool_destroy() will fail because the
pool will still have an open thin device:
device-mapper: thin metadata: attempt to close pmd when 1 device(s) are still open
device-mapper: thin: __pool_destroy: dm_pool_metadata_close() failed.
Also, must establish error code if failing thin_ctr() because the pool
is in fail_io mode.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Cc: stable@vger.kernel.org
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This commit fixes a couple of typos and clarifies what happens when
the CPU chooses to execute a later lock acquisition before a prior
lock release, in particular, why deadlock is avoided.
Reported-by: Peter Hurley <peter@hurleysoftware.com>
Reported-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reported-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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The memset() within csum_partial_copy_from_user() is rather pointless since
copy_from_user() already cleared the rest of the destination buffer if an
exception happened.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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There is no user left, so remove it.
It was also potentially broken, since the function didn't clear destination
memory if copy_from_user() failed. Which would allow for information leaks.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Currently we return a negative block count if SCLP returns HSA block
count zero. The reason is that we subtract one for the header page.
So fix this and correctly return zero block count if SCLP returns zero.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull SELinux endianness fix from James Morris.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
SELinux: bigendian problems with filename trans rules
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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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Stephane reported that perf report and annotate failed to process data
using lots of (> 500) shared libraries. It was because of the limit on
number of open files (ulimit -n).
Currently when perf loads a DSO, it'll look for normal and dynamic
symbol tables. And if it fails to find out both tables, it'll iterate
all of possible symtab types. But many of them are useless since they
have no additional information and the problem is that it's not closing
those files even though they're not used. Fix it.
Reported-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392859976-32760-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The TUI of perf report and top support annotation, but stdio and GTK
don't. So it should be checked before calling hist_entry__inc_addr_
samples() to avoid wasting resources that will never be used.
perf annotate need it regardless of UI and sort keys, so the check
of whether to allocate resources should be on the tools that have
annotate as an option in the TUI, 'report' and 'top', not on the
function called by all of them.
It caused perf annotate on ppc64 to produce zero output, since the
buckets were not being allocated.
Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Anton Blanchard <anton@samba.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392859976-32760-1-git-send-email-namhyung@kernel.org
[ Renamed (report,top)__needs_annotate() to ui__has_annotation() ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Adding make test for NO_LIBDW_DWARF_UNWIND option, plus updating minimal
build test with it.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392825179-5228-7-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Factor NO_LIBDW_DWARF_UNWIND makefile variable and code that selects
default DWARf post unwinder based on detected features (libdw and
libunwind support)
If both are detected the libunwind is selected as default. Simple
'make' will try to add:
- libunwind unwinder if present
- libdw unwinder if present
- disable dwarf unwind if non of libunwind and libdw
libraries are present
If one of the DWARF unwind libraries is detected, message is displayed
which one (libunwind/libdw) is compiled in.
Examples:
- compile in libdw unwinder if present:
$ make NO_LIBUNWIND=1
- compile in libdw (with libdw installation directory) unwinder if present:
$ make LIBDW_DIR=/opt/elfutils/ NO_LIBUNWIND=1
BUILD: Doing 'make -j4' parallel build
Auto-detecting system features:
... dwarf: [ on ]
... glibc: [ on ]
... gtk2: [ on ]
... libaudit: [ on ]
... libbfd: [ on ]
... libelf: [ on ]
... libnuma: [ on ]
... libperl: [ on ]
... libpython: [ on ]
... libslang: [ on ]
... libunwind: [ on ]
... libdw-dwarf-unwind: [ on ]
... DWARF post unwind library: libdw
- disable post dwarf unwind completely:
$ make NO_LIBUNWIND=1 NO_LIBDW_DWARF_UNWIND=1
BUILD: Doing 'make -j4' parallel build
Auto-detecting system features:
... dwarf: [ on ]
... glibc: [ on ]
... gtk2: [ on ]
... libaudit: [ on ]
... libbfd: [ on ]
... libelf: [ on ]
... libnuma: [ on ]
... libperl: [ on ]
... libpython: [ on ]
... libslang: [ on ]
... libunwind: [ on ]
... libdw-dwarf-unwind: [ on ]
... DWARF post unwind library: libunwind
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392825179-5228-6-git-send-email-jolsa@redhat.com
[ Add suggestion about setting LIBDW_DIR when not finding libdw ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Adding libdw DWARF post unwind support, which is part of
elfutils-devel/libdw-dev package from version 0.158.
The new code is contained in unwin-libdw.c object, and implements
unwind__get_entries unwind interface function.
New Makefile variable NO_LIBDW_DWARF_UNWIND was added to control its
compilation, and is marked as disabled now. It's factored with the rest
of the Makefile unwind build code in the next patch.
Arch specific code was added for x86.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392825179-5228-5-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Adding feature check test code for libdw dwarf unwind.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392825179-5228-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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When one has libunwind installed somewhere the perf tools build process
doesn't expects it to be, this happens:
[acme@ssdandy linux]$ make O=/tmp/build/perf -C tools/perf/ install-bin
make: Entering directory `/home/acme/git/linux/tools/perf'
BUILD: Doing 'make -j8' parallel build
config/Makefile:312: No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 1.1
Auto-detecting system features:
<SNIP>
... libunwind: [ OFF ]
Change the message so that it tells how to use a non-standard libunwind
install directory:
config/Makefile:312: No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR
[acme@ssdandy linux]$ make LIBUNWIND_DIR=/opt/libunwind-git/ O=/tmp/build/perf -C tools/perf/ install-bin
make: Entering directory `/home/acme/git/linux/tools/perf'
BUILD: Doing 'make -j8' parallel build
Auto-detecting system features:
<SNIP>
... libunwind: [ on ]
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-huoxnou7sw85lm58k3pi1xhw@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Adding dump of interesting build directories to the make VF=1 output.
$ make VF=1
BUILD: Doing 'make -j4' parallel build
Auto-detecting system features:
... dwarf: [ on ]
... glibc: [ on ]
... gtk2: [ on ]
... libaudit: [ on ]
... libbfd: [ on ]
... libelf: [ on ]
... libnuma: [ on ]
... libperl: [ on ]
... libpython: [ on ]
... libslang: [ on ]
... libunwind: [ on ]
... backtrace: [ on ]
... fortify-source: [ on ]
... gtk2-infobar: [ on ]
... libelf-getphdrnum: [ on ]
... libelf-mmap: [ on ]
... libpython-version: [ on ]
... on-exit: [ on ]
... stackprotector-all: [ on ]
... timerfd: [ on ]
... libunwind-debug-frame: [ OFF ]
... bionic: [ OFF ]
... prefix: /home/jolsa
... bindir: /home/jolsa/bin
... libdir: /home/jolsa/lib64
... sysconfdir: /home/jolsa/etc
Adding functions to print variable/text in features display -
feature_print_var/feature_print_text (feature_print_text is used in next
patches).
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392825179-5228-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Currently the we display all detected features/libraries by following
rules:
- if one of the features is missing
- if it's build from clean tree
This patch changes changes this behavior in several ways.
- We no longer display all detected features, only detected libraries
are displayed by default:
$ make
BUILD: Doing 'make -j4' parallel build
Auto-detecting system features:
... dwarf: [ on ]
... glibc: [ on ]
... gtk2: [ on ]
... libaudit: [ on ]
... libbfd: [ on ]
... libelf: [ on ]
... libnuma: [ on ]
... libperl: [ on ]
... libpython: [ on ]
... libslang: [ on ]
... libunwind: [ on ]
The assumption is, that above libraries are the most interesting part
of the detection, while we don't care much about detection of on-exit
support.
- If all above libraries are detected, the default is not shown on
subsequent builds.
- If one of the above libraries is missing, the detection output is
forced.
- The features status is stored in PERF-FEATURES file and the detection
output is forced in case the there's difference between the file
contents and currently detected features.
- If you want to see all detected features, you can use VF=1 make
variable, that forces the detected features output.
$ make VF=1
BUILD: Doing 'make -j4' parallel build
Auto-detecting system features:
... dwarf: [ on ]
... glibc: [ on ]
... gtk2: [ on ]
... libaudit: [ on ]
... libbfd: [ on ]
... libelf: [ on ]
... libnuma: [ on ]
... libperl: [ on ]
... libpython: [ on ]
... libslang: [ on ]
... libunwind: [ on ]
... backtrace: [ on ]
... fortify-source: [ on ]
... gtk2-infobar: [ on ]
... libelf-getphdrnum: [ on ]
... libelf-mmap: [ on ]
... libpython-version: [ on ]
... on-exit: [ on ]
... stackprotector-all: [ on ]
... timerfd: [ on ]
... libunwind-debug-frame: [ OFF ]
... bionic: [ OFF ]
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392825179-5228-2-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The bison and flex C objects don't have dependency for creating output
directories.
This could lead to build failure if the one of those objects is picked
up by make to be build as the first one (reported by Arnaldo).
Also following make fails:
$ rm -rf /tmp/krava; mkdir /tmp/krava; make O=/tmp/krava util/pmu-bison.o
BUILD: Doing 'make -j4' parallel build
[ SNIP ]
BISON /tmp/krava/util/pmu-bison.c
FLAGS: * new build flags or prefix
bison: /tmp/krava/util/pmu-bison.output: cannot open: No such file or directory
make[1]: *** [/tmp/krava/util/pmu-bison.c] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [util/pmu-bison.o] Error 2
Adding bison objects dependency for output directories (flex objects
depends on bisons').
This fixies the make_util_pmu_bison_o_O make test.
Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392805300-14610-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Adding pmu-bison.o make test:
$ make -f tests/make make_util_pmu_bison_o
- make_util_pmu_bison_o: cd . && make -f Makefile DESTDIR=/tmp/tmp.0u99hQn8Ga util/pmu-bison.o
$ make -f tests/make make_util_pmu_bison_o_O
- make_util_pmu_bison_o_O: cd . && make -f Makefile O=/tmp/tmp.sWKDLGS71O DESTDIR=/tmp/tmp.htQNJAfJ0d util/pmu-bison.o
make: *** [make_util_pmu_bison_o_O] Error 1
The 'O=' version of the test is failing at the moment, due to the OUTPUT
directory issue fixed in next patch.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392805300-14610-2-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Enable and fix *.o object make tests. Following tests are now available:
$ make -f tests/make make_perf_o_O
- make_perf_o_O: cd . && make -f Makefile O=/tmp/tmp.iF5vI5emGy DESTDIR=/tmp/tmp.epDPFVhH0s perf.o
$ make -f tests/make make_util_map_o_O
- make_util_map_o_O: cd . && make -f Makefile O=/tmp/tmp.BWuMf55ygC DESTDIR=/tmp/tmp.QbGBRF95oP util/map.o
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392805300-14610-1-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The DT bindings document a renesas,indices property, while the code, the
DT example and the DT sources all use renesas,clock-indices. Fix the
documentation.
The shmobile mstp DT bindings have been merged in v3.14-rc1 with a bug
in the DT ABI, a fix during the -rc series is appropriate.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Simon Horman <horms@verge.net.au>
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The qspi clock divisor is incorrectly set to twice the value it should
have, possibly because it has been computed based on PLL1 as the clock
parent instead of PLL1 / 2 (the datasheets specifies the qspi nominal
frequencies, not the divisor values). Fix it.
This bug introduced in v3.14-rc1 breaks various devices on the Lager and
Kolesh shmobile boards and should thus be considered as a regression for
which a fix during the -rc series is appropriate.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
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The lb, qspi, sdh, sd0 and sd1 clocks have the PLL1 (divided by 2) as
their parent, not the main clock. Fix it.
This bug introduced in v3.14-rc1 breaks various devices on the Lager and
Kolesh shmobile boards and should thus be considered as a regression for
which a fix during the -rc series is appropriate.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
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Add the sched_setattr and sched_getattr syscalls to the generic syscall
list, which is used by the following architectures: arc, arm64, c6x,
hexagon, metag, openrisc, score, tile, unicore32.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-arch@vger.kernel.org
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: linux-c6x-dev@linux-c6x.org
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: linux-hexagon@vger.kernel.org
Cc: linux-metag@vger.kernel.org
Cc: Jonas Bonn <jonas@southpole.se>
Cc: linux@lists.openrisc.net
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
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The MLME code in mac80211 must track whether or not the AP changed
bandwidth, but if there's no change while tracking it shouldn't do
anything, otherwise regulatory updates can make it impossible to
connect to certain APs if the regulatory database doesn't match the
information from the AP. See the precise scenario described in the
code.
This still leaves some possible problems with CSA or if the AP
actually changed bandwidth, but those cases are less common and
won't completely prevent using it.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=70881
Cc: stable@vger.kernel.org
Reported-and-tested-by: Nate Carlson <kernel@natecarlson.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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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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into for-linus
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We had a bug discovered recently where an upper layer function
(cifs_iovec_write) could pass down a smb_rqst with an invalid amount of
data in it. The length of the SMB frame would be correct, but the rqst
struct would cause smb_send_rqst to send nearly 4GB of data.
This should never be the case. Add some sanity checking to the beginning
of smb_send_rqst that ensures that the amount of data we're going to
send agrees with the length in the RFC1002 header. If it doesn't, WARN()
and return -EIO to the upper layers.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>
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and use generic_file_aio_write rather than __generic_file_aio_write
in cifs_writev.
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Steve French <smfrench@gmail.com>
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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/broonie/regulator
Pull regulator fixes from Mark Brown:
"Mostly unexciting driver fixes, plus one fix to lower the severity of
the log message when we don't use an optional regulator - the fixes
for ACPI system made this come up more often and it was correctly
observed that it was causing undue concern for users"
* tag 'regulator-v3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: max14577: Fix invalid return value on DT parse success
regulator: core: Change dummy supplies error message to a warning
regulator: s5m8767: Add missing of_node_put
regulator: s5m8767: Use of_get_child_by_name
regulator: da9063: Bug fix when setting max voltage on LDOs 5-11
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Because then this sg is passed to sbc_copy_prot which will
hit a protection fault in cases we have more than a single sg.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds the three missing DIF related sense codes within
transport_generic_request_failure(), which are required to ensure
that the correct ASC/ASQC is generated by the subsequent call to
transport_send_check_condition_and_sense().
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch fixes a bug in sbc_dif_copy_prot() where the updated addr
offset did not take into account the case where the associated
scatterlist had not been incremented.
This addresses the case where incoming protection scatterlists may
contain a length smaller than PAGE_SIZE across multiple entires,
when the target protection scatterlists are always being explicitly
filled up to PAGE_SIZE before adding another entry.
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch excludes reserved-marker byte-position from oobfree->length
calculation. Thus all bytes from oobfree->offset till end of OOB are free.
CC: <stable@vger.kernel.org> # 3.13.x+
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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1) In current implementation, ecclayout->oobfree->offset is calculated with
respect to ecclayout->eccpos[0] which is incorrect because ECC bytes may not
be stored contiguously in OOB.
So, this patch calculates ecclayout->oobfree->offset with respect to last
ECC byte-position 'eccpos[ecclayout->eccbytes-1]'.
2) ECC layout of some ecc-schemes expects reserved-markers at specific eccpos[]
which should not be over-written by any file-system metadata.
So this patch aligns oobfree->offset taking into account of such markers.
CC: <stable@vger.kernel.org> # 3.13.x+
Tested-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Tested-by: Stefan Roese <sr@denx.de>
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Fixes: commit a919e51161b58ed7e6e663daba99ab7d558808f3
mtd: nand: omap2: clean-up BCHx_HW and BCHx_SW ECC configurations in device_probe
Fixes ecclayout mismatch introduced in above commit for following ecc-schemes:
- OMAP_ECC_BCH4_CODE_HW_DETECTION_SW
- OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
However, this patch also touches other ecc-schemes as the fix required
refactoring common code, into ecc-scheme specific code.
This patch aligns ecc-layout for below ecc-schemes as per reference [1],[2],[3]
+---+------------+-------------++-------------+-------------+
|OOB|BCH8_CODE_HW|BCH8_CODE_HW_||HAM1_CODE_HW |HAM1_CODE_HW |
|pos| | DETECTION_SW||(x8 device) |(x16 device) |
+---+------------+-------------++-------------+-------------+
| 0 |BADBLK_MARK | BADBLK_MARK || BADBLK_MARK | BADBLK_MARK |
| 1 |BADBLK_MARK | BADBLK_MARK || eccpos[0] | BADBLK_MARK |
| 2 | eccpos[0] | eccpos[0] || eccpos[1] | eccpos[0] |
| 3 | eccpos[1] | eccpos[1] || eccpos[2] | eccpos[1] |
| 4 | eccpos[2] | eccpos[2] || eccpos[3] | eccpos[2] |
| 5 | eccpos[3] | eccpos[3] || eccpos[4] | eccpos[3] |
| 6 | eccpos[4] | eccpos[4] || eccpos[5] | eccpos[4] |
| 7 | eccpos[5] | eccpos[5] || eccpos[6] | eccpos[5] |
| 8 | eccpos[6] | eccpos[6] || eccpos[7] | eccpos[6] |
| 9 | eccpos[7] | eccpos[7] || eccpos[8] | eccpos[7] |
|10 | eccpos[8] | eccpos[8] || eccpos[9] | eccpos[8] |
|11 | eccpos[9] | eccpos[9] || eccpos[10] | eccpos[9] |
|12 | eccpos[10] | eccpos[10] || eccpos[11] | eccpos[10] |
|13 | eccpos[11] | eccpos[11] || oobfree[0] | eccpos[11] |
|14 | eccpos[12] | eccpos[12] || oobfree[1] | oobfree[0] |
|15 | eccpos[13] | <reserved> || oobfree[2] | oobfree[1] |
+---+------------+-------------++-------------+-------------+
|16 | eccpos[14] | eccpos[13] || oobfree[3] | oobfree[2] |
|...| [...] | [...] || [...] | [...] |
|56 | eccpos[54] | eccpos[51] || oobfree[43] | oobfree[42] |
|57 | eccpos[55] | <reserved> || oobfree[44] | oobfree[43] |
+===+============+=============+==============+=============+
|58 | oobfree[0] | oobfree[0] || oobfree[45] | oobfree[44] |
|59 | oobfree[1] | oobfree[1] || oobfree[46] | oobfree[45] |
|60 | oobfree[2] | oobfree[2] || oobfree[47] | oobfree[46] |
|61 | oobfree[3] | oobfree[3] || oobfree[48] | oobfree[47] |
|62 | oobfree[4] | oobfree[4] || oobfree[49] | oobfree[48] |
|63 | oobfree[5] | oobfree[5] || oobfree[50] | oobfree[49] |
+---+------------+-------------+--------------+-------------+
[1] ecc-layout expected by ROM code, as specified in SoC TRM under:
Chapter="Initialization"
Section="Device Initialization by ROM code"
Sub-Section="Memory Booting"
Heading="NAND"
Figure="ECC Locations in NAND Spare Areas"
[2] ecc-layout updates in u-boot
http://lists.denx.de/pipermail/u-boot/2013-November/167551.html
[3] u-boot configurations to match above ecc-layout are documented at
https://processors.wiki.ti.com/index.php/Linux_Core_NAND_User%27s_Guide
CC: <stable@vger.kernel.org> # 3.13.x+
Reported-by: Enric Balletbo Serra <eballetbo@iseebcn.com>
Tested-by: Enric Balletbo i Serra <eballetbo@gmail.com>
Tested-by: Stefan Roese <sr@denx.de>
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"Serialize the registration of a new sched_clock in the currently ARM
only generic sched_clock facilty to avoid sched_clock havoc"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched_clock: Prevent callers from seeing half-updated data
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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 irq fixes from Thomas Gleixner:
"Another four fixlets to tame the ARM orion irq chip"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: orion: Fix getting generic chip pointer.
irqchip: orion: clear stale interrupts in irq_startup
irqchip: orion: use handle_edge_irq on bridge irqs
irqchip: orion: clear bridge cause register on init
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The check should be for setup function pointer.
This patch fixes NULL pointer dereference issue for NCI
based NFC driver which doesn't define setup handler.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of USB fixes for reported issues for 3.14-rc4
The majority of these are for USB gadget, phy, and musb driver issues.
And there's a few new device ids thrown in for good measure"
* tag 'usb-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: chipidea: need to mask when writting endptflush and endptprime
usb: musb: correct use of schedule_delayed_work()
usb: phy: msm: fix compilation errors when !CONFIG_PM_SLEEP
usb: gadget: fix NULL pointer dereference
usb: gadget: printer: using gadget_is_otg to check otg support at runtime
phy: let phy_provider_register be the last step in registering PHY
phy-core: Don't allow building phy-core as a module
phy-core: Don't propagate -ENOSUPP from phy_pm_runtime_get_sync to caller
phy-core: phy_get: Leave error logging to the caller
phy,phy-bcm-kona-usb2.c: Add dependency on HAS_IOMEM
usb: musb: correct use of schedule_delayed_work()
usb: musb: do not sleep in atomic context
USB: serial: option: blacklist interface 4 for Cinterion PHS8 and PXS8
USB: EHCI: add delay during suspend to prevent erroneous wakeups
usb: gadget: bcm63xx_udc: fix build failure on DMA channel code
usb: musb: do not sleep in atomic context
usb: gadget: s3c2410_udc: Fix build error
usb: musb: core: Fix remote-wakeup resume
usb: musb: host: Fix SuperSpeed hub enumeration
usb: musb: fix obex in g_nokia.ko causing kernel panic
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY revert from Greg KH:
"Here is a single commit, a revert of a sysfs file change that ended up
breaking a userspace tool"
* tag 'tty-3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "tty: Set correct tty name in 'active' sysfs attribute"
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