| Commit message (Collapse) | Author | Age | Files | Lines |
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Since we can't go from struct hists to struct evsel for all cases (c2c
is an exception) and we have access to the hist_entry, use
hist_entry__has_callchains() in the GTK+ hists browser to figure out
if callchains are available.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-8owkgrruzzi5emvblwh4e6le@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Since 'perf c2c' uses 'struct hists' not allocated together with a
'struct perf_evsel' instance, we can't go from a 'struct hist_entry'
pointer to a 'struct perf_evsel' via he->hists, so, instead, check if
space was set aside for hist_entry->callchain[0] at hist_entry__new()
time.
Reported-by: Jin Yao <yao.jin@linux.intel.com>
Reported-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes: fabd37b837f6 ("perf hists: Check if a hist_entry has callchains before using them")
Link: https://lkml.kernel.org/n/tip-e8ife8djvvvwmeze3s4yodii@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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So that we can figure out the real size of the struct and also be able
to tell if callchains may be present in this histogram entry.
Since we can't always guarantee that from hist_entry->hists we can use
hists_to_evsel, to then look at evsel->attr.sample_type for
PERF_SAMPLE_CALLCHAIN, like with the 'perf c2c' tool, that uses plain
'struct hists' instances, we need another way of deciding if a specific
hist_entry instance has callchains associated with it, i.e. if its
hist_entry->callchain[0] has space allocated for.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-ptvndealxs1k7myluvu9flnq@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull rseq fixes from Thomas Gleixer:
"A pile of rseq related fixups:
- Prevent infinite recursion when delivering SIGSEGV
- Remove the abort of rseq critical section on fork() as syscalls
inside rseq critical sections are explicitely forbidden. So no
point in doing the abort on the child.
- Align the rseq structure on 32 bytes in the ARM selftest code.
- Fix file permissions of the test script"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq: Avoid infinite recursion when delivering SIGSEGV
rseq/cleanup: Do not abort rseq c.s. in child on fork()
rseq/selftests/arm: Align 'struct rseq_cs' on 32 bytes
rseq/selftests: Make run_param_test.sh executable
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uapi/linux/rseq.h aligns 'struct rseq_cs' on 32 bytes. Satisfy this
alignment requirement in its definition within the rseq-arm.h
inline assembly as well.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Hunter <ahh@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Ben Maurer <bmaurer@fb.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Lameter <cl@linux.com>
Cc: Dave Watson <davejwatson@fb.com>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-api@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Link: https://lore.kernel.org/lkml/20180619133230.4087-3-mathieu.desnoyers@efficios.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The executable bit of the run_param_test.sh script got lost in
the merge.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Hunter <ahh@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Ben Maurer <bmaurer@fb.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Lameter <cl@linux.com>
Cc: Dave Watson <davejwatson@fb.com>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-api@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Link: https://lore.kernel.org/lkml/20180619133230.4087-2-mathieu.desnoyers@efficios.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Thomas Gleixner:
"Two tiny fixes:
- Add the missing machine_real_restart() to objtools noreturn list so
it stops complaining
- Fix a trivial comment typo"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
kernel.h: Fix a typo in comment
objtool: Add machine_real_restart() to the noreturn list
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machine_real_restart() is annotated as '__noreturn", so add it to the
objtool noreturn list. This fixes the following warning with clang and
CONFIG_CC_OPTIMIZE_FOR_SIZE=y:
arch/x86/kernel/reboot.o: warning: objtool: native_machine_emergency_restart() falls through to next function machine_power_off()
Reported-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lkml.kernel.org/r/791712792aa4431bdd55bf1beb33a169ddf3b4a2.1529423255.git.jpoimboe@redhat.com
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
"A few MIPS fixes for 4.18:
- a GPIO device name fix for a regression in v4.15-rc1.
- an errata workaround for the BCM5300X platform.
- a fix to ftrace function graph tracing, broken for a long time with
the fix applying cleanly back as far as v3.17.
- addition of read barriers to in{b,w,l,q}() functions, matching
behavior of other architectures & mirroring the equivalent addition
to read{b,w,l,q} in v4.17-rc2.
Plus changes to wire up new syscalls introduced in the 4.18 cycle:
- Restartable sequences support is added, including MIPS support in
the selftests.
- io_pgetevents is wired up"
* tag 'mips_fixes_4.18_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: Wire up io_pgetevents syscall
rseq/selftests: Implement MIPS support
MIPS: Wire up the restartable sequences (rseq) syscall
MIPS: Add syscall detection for restartable sequences
MIPS: Add support for restartable sequences
MIPS: io: Add barrier after register read in inX()
mips: ftrace: fix static function graph tracing
MIPS: BCM47XX: Enable 74K Core ExternalSync for PCIe erratum
MIPS: pb44: Fix i2c-gpio GPIO descriptor table
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Implement support for both MIPS32 & MIPS64 in the rseq selftests, in
order to sanity check the recently enabled rseq syscall.
The tests all pass on a MIPS Boston development board running either a
MIPS32r2 interAptiv CPU & a MIPS64r6 I6500 CPU, both of which were
configured with 2 cores each of which have 2 hardware threads (VP(E)s) -
ie. 4 CPUs.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Reviewed-by: James Hogan <jhogan@kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/19524/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
- fix new sparc64 adi driver test compile errors on non-sparc systems
- fix config fragment for sync framework for improved test coverage
- fix several tests to return correct Kselftest skip code
* tag 'linux-kselftest-4.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: sparc64: Add missing SPDX License Identifiers
selftests: sparc64: delete RUN_TESTS and EMIT_TESTS overrides
selftests: sparc64: Fix to do nothing on non-sparc64
selftests: sync: add config fragment for testing sync framework
selftests: vm: return Kselftest Skip code for skipped tests
selftests: zram: return Kselftest Skip code for skipped tests
selftests: user: return Kselftest Skip code for skipped tests
selftests: sysctl: return Kselftest Skip code for skipped tests
selftests: static_keys: return Kselftest Skip code for skipped tests
selftests: pstore: return Kselftest Skip code for skipped tests
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Add missing SPDX License Identifiers to Makefile(s).
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Reviewed-by: Tom Hromatka <tom.hromatka@oracle.com>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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Delete RUN_TESTS and EMIT_TESTS overrides and use common defines in
lib.mk. Common defines work just fine and there is no need to define
custom overrides.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Reviewed-by: Tom Hromatka <tom.hromatka@oracle.com>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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sparc64 test fails with the following errors on non-sparc64 systems. Fix
the Makefile to do nothing on non-sparc64 systems to suppress the errors:
make run_tests
adi-test.c: Assembler messages:
adi-test.c:302: Error: no such instruction: `rd %tick,%r13'
adi-test.c:304: Error: no such instruction: `rd %tick,%rbp'
adi-test.c:190: Error: no such instruction: `rd %tick,%rbp'
adi-test.c:192: Error: no such instruction: `rd %tick,%rdx'
adi-test.c:273: Error: no such instruction: `rd %tick,%rbx'
adi-test.c:276: Error: no such instruction: `rd %tick,%rdx'
adi-test.c:217: Error: no such instruction: `rd %tick,%rbp'
adi-test.c:220: Error: no such instruction: `rd %tick,%rdx'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:246: Error: no such instruction: `rd %tick,%rbp'
adi-test.c:248: Error: no such instruction: `rd %tick,%rdx'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
<builtin>: recipe for target 'adi-test' failed
make[1]: *** [adi-test] Error 1
adi: [FAIL]
./drivers_test.sh: 24: ./drivers_test.sh: ./adi-test: not found
../lib.mk:73: recipe for target 'run_tests' failed
make: *** [run_tests] Error 1
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Reviewed-by: Tom Hromatka <tom.hromatka@oracle.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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Unless the software synchronization objects (CONFIG_SW_SYNC) is enabled,
the sync test will be skipped:
TAP version 13
1..0 # Skipped: Sync framework not supported by kernel
Add a config fragment file to be able to run "make kselftest-merge" to
enable relevant configuration required in order to run the sync test.
Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Link: https://lkml.org/lkml/2017/5/5/14
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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When vm test is skipped because of unmet dependencies and/or unsupported
configuration, it exits with error which is treated as a fail by the
Kselftest framework. This leads to false negative result even when the
test could not be run.
Change it to return kselftest skip code when a test gets skipped to
clearly report that the test could not be run.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Acked-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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When zram test is skipped because of unmet dependencies and/or
unsupported configuration, it exits with error which is treated as
a fail by the Kselftest framework. This leads to false negative result
even when the test could not be run.
Change it to return kselftest skip code when a test gets skipped to
clearly report that the test could not be run.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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When user test is skipped because of unmet dependencies and/or
unsupported configuration, it exits with error which is treated as
a fail by the Kselftest framework. This leads to false negative result
even when the test could not be run.
Change it to return kselftest skip code when a test gets skipped to
clearly report that the test could not be run. Add an explicit check
for module presence and return skip code if module isn't present.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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When sysctl test is skipped because of unmet dependencies and/or
unsupported configuration, it exits with error which is treated as
a fail by the Kselftest framework. This leads to false negative result
even when the test could not be run.
Change it to return kselftest skip code when a test gets skipped to
clearly report that the test could not be run.
Changed return code to kselftest skip code in skip error legs that check
requirements and module probe test error leg.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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When static_keys test is skipped because of unmet dependencies and/or
unsupported configuration, it exits with error which is treated as a fail
by the Kselftest framework. This leads to false negative result even when
the test could not be run.
Change it to return kselftest skip code when a test gets skipped to clearly
report that the test could not be run.
Added an explicit searches for test_static_key_base and test_static_keys
modules and return skip code if they aren't found to differentiate between
the failure to load the module condition and module not found condition.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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When pstore_post_reboot test gets skipped because of unmet dependencies
and/or unsupported configuration, it returns 0 which is treated as a pass
by the Kselftest framework. This leads to false positive result even when
the test could not be run.
Change it to return kselftest skip code when a test gets skipped to clearly
report that the test could not be run.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These are mostly fixes, including some fixes for changes made during
the recent merge window and some "stable" material, plus some minor
extensions of the turbostat utility.
Specifics:
- Fix the PM core to avoid introducing a runtime PM usage counter
imbalance when adding device links during driver probe (Rafael
Wysocki).
- Fix the operating performance points (OPP) framework to ensure that
the regulator voltage is always updated as appropriate when
updating clock rates (Waldemar Rymarkiewicz).
- Fix the intel_pstate driver to use correct max/min limits for cores
with differing maximum frequences (Srinivas Pandruvada).
- Fix a typo in the intel_pstate driver documentation (Rafael
Wysocki).
- Fix two issues with the recently added Kryo cpufreq driver (Ilia
Lin).
- Fix two recent regressions and some other minor issues in the
turbostat utility and extend it to provide some more diagnostic
information (Len Brown, Nathan Ciobanu)"
* tag 'pm-4.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Documentation: intel_pstate: Fix typo
tools/power turbostat: version 18.06.20
tools/power turbostat: add the missing command line switches
tools/power turbostat: add single character tokens to help
tools/power turbostat: alphabetize the help output
tools/power turbostat: fix segfault on 'no node' machines
tools/power turbostat: add optional APIC X2APIC columns
tools/power turbostat: decode cpuid.1.HT
tools/power turbostat: fix show/hide issues resulting from mis-merge
PM / OPP: Update voltage in case freq == old_freq
cpufreq: intel_pstate: Fix scaling max/min limits with Turbo 3.0
cpufreq: kryo: Add module remove and exit
cpufreq: kryo: Fix possible error code dereference
PM / core: Fix supplier device runtime PM usage counter imbalance
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat utility changes for 4.18-rc2 from Len Brown.
"This includes two regression fixes, plus a couple more random, but
worthy, patches."
* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: version 18.06.20
tools/power turbostat: add the missing command line switches
tools/power turbostat: add single character tokens to help
tools/power turbostat: alphabetize the help output
tools/power turbostat: fix segfault on 'no node' machines
tools/power turbostat: add optional APIC X2APIC columns
tools/power turbostat: decode cpuid.1.HT
tools/power turbostat: fix show/hide issues resulting from mis-merge
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Signed-off-by: Len Brown <len.brown@intel.com>
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Document the missing command line tokens in the help() function.
Signed-off-by: Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Improve the help() output by adding the single character
tokens (e.g -a).
Signed-off-by: Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Sort the command line arguments output of help() in
alphabetical order in line with other linux tools.
Signed-off-by: Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Running turbostat on machines that don't expose nodes
in sysfs (no /sys/bus/node) causes a segfault or a -nan
value diesplayed in the log. This is caused by
physical_node_id being reported as -1 and logical_node_id
being calculated as a negative number resulting in the new
GET_THREAD/GET_CORE returning an incorrect address.
Signed-off-by: Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Add APIC and X2APIC columns to the topology section.
They are disabled-by-default -- enable like so:
--debug
or
--enable APIC,X2APIC
Signed-off-by: Len Brown <len.brown@intel.com>
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eg. the "HT" here:
CPUID(1): SSE3 MONITOR - EIST TM2 TSC MSR ACPI-TM HT TM
Signed-off-by: Len Brown <len.brown@intel.com>
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The --show and --hide options failed on "Node", which was listed as "Node%".
The --show and --hide options were generally fouled-up do due to come
content merges that scrambled the list of column name indexes.
Signed-off-by: Len Brown <len.brown@intel.com>
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Pull networking fixes from David Miller:
1) Fix crash on bpf_prog_load() errors, from Daniel Borkmann.
2) Fix ATM VCC memory accounting, from David Woodhouse.
3) fib6_info objects need RCU freeing, from Eric Dumazet.
4) Fix SO_BINDTODEVICE handling for TCP sockets, from David Ahern.
5) Fix clobbered error code in enic_open() failure path, from
Govindarajulu Varadarajan.
6) Propagate dev_get_valid_name() error returns properly, from Li
RongQing.
7) Fix suspend/resume in davinci_emac driver, from Bartosz Golaszewski.
8) Various act_ife fixes (recursive locking, IDR leaks, etc.) from
Davide Caratti.
9) Fix buggy checksum handling in sungem driver, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (40 commits)
ip: limit use of gso_size to udp
stmmac: fix DMA channel hang in half-duplex mode
net: stmmac: socfpga: add additional ocp reset line for Stratix10
net: sungem: fix rx checksum support
bpfilter: ignore binary files
bpfilter: fix build error
net/usb/drivers: Remove useless hrtimer_active check
net/sched: act_ife: preserve the action control in case of error
net/sched: act_ife: fix recursive lock and idr leak
net: ethernet: fix suspend/resume in davinci_emac
net: propagate dev_get_valid_name return code
enic: do not overwrite error code
net/tcp: Fix socket lookups with SO_BINDTODEVICE
ptp: replace getnstimeofday64() with ktime_get_real_ts64()
net/ipv6: respect rcu grace period before freeing fib6_info
net: net_failover: fix typo in net_failover_slave_register()
ipvlan: use ETH_MAX_MTU as max mtu
net: hamradio: use eth_broadcast_addr
enic: initialize enic->rfs_h.lock in enic_probe
MAINTAINERS: Add Sam as the maintainer for NCSI
...
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Daniel Borkmann says:
====================
pull-request: bpf 2018-06-16
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix a panic in devmap handling in generic XDP where return type
of __devmap_lookup_elem() got changed recently but generic XDP
code missed the related update, from Toshiaki.
2) Fix a freeze when BPF progs are loaded that include BPF to BPF
calls when JIT is enabled where we would later bail out via error
path w/o dropping kallsyms, and another one to silence syzkaller
splats from locking prog read-only, from Daniel.
3) Fix a bug in test_offloads.py BPF selftest which must not assume
that the underlying system have no BPF progs loaded prior to test,
and one in bpftool to fix accuracy of program load time, from Jakub.
4) Fix a bug in bpftool's probe for availability of the bpf(2)
BPF_TASK_FD_QUERY subcommand, from Yonghong.
5) Fix a regression in AF_XDP's XDP_SKB receive path where queue
id check got erroneously removed, from Björn.
6) Fix missing state cleanup in BPF's xfrm tunnel test, from William.
7) Check tunnel type more accurately in BPF's tunnel collect metadata
kselftest, from Jian.
8) Fix missing Kconfig fragments for BPF kselftests, from Anders.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the printting of bpf xfrm tunnel better and
cleanup xfrm state and policy when xfrm test finishes.
Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Grep tunnel type directly to make sure 'ip' command supports it.
Signed-off-by: Jian Wang <jianjian.wang1@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Modern distroes increasingly make use of BPF programs. Default
Ubuntu 18.04 installation boots with a number of cgroup_skb
programs loaded.
test_offloads.py tries to check if programs and maps are not
leaked on error paths by confirming the list of programs on the
system is empty between tests.
Since we can no longer expect the system to have no BPF objects
at boot try to remember the programs and maps present at the start,
and skip those when scanning the system.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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BPF program load time is reported from the kernel relative to boot time.
If conversion to wall clock does not take nanosecond parts into account,
the load time reported by bpftool may differ by one second from run to
run. This means JSON object reported by bpftool for a program will
randomly change.
Fixes: 71bb428fe2c1 ("tools: bpf: add bpftool")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Tests test_tunnel.sh fails due to config fragments ins't enabled.
Fixes: 933a741e3b82 ("selftests/bpf: bpf tunnel test.")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Commit b04df400c302 ("tools/bpftool: add perf subcommand")
introduced bpftool subcommand perf to query bpf program
kuprobe and tracepoint attachments.
The perf subcommand will first test whether bpf subcommand
BPF_TASK_FD_QUERY is supported in kernel or not. It does it
by opening a file with argv[0] and feeds the file descriptor
and current task pid to the kernel for querying.
Such an approach won't work if the argv[0] cannot be opened
successfully in the current directory. This is especially
true when bpftool is accessible through PATH env variable.
The error below reflects the open failure for file argv[0]
at home directory.
[yhs@localhost ~]$ which bpftool
/usr/local/sbin/bpftool
[yhs@localhost ~]$ bpftool perf
Error: perf_query_support: No such file or directory
To fix the issue, let us open root directory ("/")
which exists in every linux system. With the fix, the
error message will correctly reflect the permission issue.
[yhs@localhost ~]$ which bpftool
/usr/local/sbin/bpftool
[yhs@localhost ~]$ bpftool perf
Error: perf_query_support: Operation not permitted
HINT: non root or kernel doesn't support TASK_FD_QUERY
Fixes: b04df400c302 ("tools/bpftool: add perf subcommand")
Reported-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Yonghong Song <yhs@fb.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Pull documentation fixes from Mauro Carvalho Chehab:
"This solves a series of broken links for files under Documentation,
and improves a script meant to detect such broken links (see
scripts/documentation-file-ref-check).
The changes on this series are:
- can.rst: fix a footnote reference;
- crypto_engine.rst: Fix two parsing warnings;
- Fix a lot of broken references to Documentation/*;
- improve the scripts/documentation-file-ref-check script, in order
to help detecting/fixing broken references, preventing
false-positives.
After this patch series, only 33 broken references to doc files are
detected by scripts/documentation-file-ref-check"
* tag 'docs-broken-links' of git://linuxtv.org/mchehab/experimental: (26 commits)
fix a series of Documentation/ broken file name references
Documentation: rstFlatTable.py: fix a broken reference
ABI: sysfs-devices-system-cpu: remove a broken reference
devicetree: fix a series of wrong file references
devicetree: fix name of pinctrl-bindings.txt
devicetree: fix some bindings file names
MAINTAINERS: fix location of DT npcm files
MAINTAINERS: fix location of some display DT bindings
kernel-parameters.txt: fix pointers to sound parameters
bindings: nvmem/zii: Fix location of nvmem.txt
docs: Fix more broken references
scripts/documentation-file-ref-check: check tools/*/Documentation
scripts/documentation-file-ref-check: get rid of false-positives
scripts/documentation-file-ref-check: hint: dash or underline
scripts/documentation-file-ref-check: add a fix logic for DT
scripts/documentation-file-ref-check: accept more wildcards at filenames
scripts/documentation-file-ref-check: fix help message
media: max2175: fix location of driver's companion documentation
media: v4l: fix broken video4linux docs locations
media: dvb: point to the location of the old README.dvb-usb file
...
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As we move stuff around, some doc references are broken. Fix some of
them via this script:
./scripts/documentation-file-ref-check --fix
Manually checked if the produced result is valid, removing a few
false-positives.
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Coly Li <colyli@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
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Pull networking fixes from David Miller:
1) Various netfilter fixlets from Pablo and the netfilter team.
2) Fix regression in IPVS caused by lack of PMTU exceptions on local
routes in ipv6, from Julian Anastasov.
3) Check pskb_trim_rcsum for failure in DSA, from Zhouyang Jia.
4) Don't crash on poll in TLS, from Daniel Borkmann.
5) Revert SO_REUSE{ADDR,PORT} change, it regresses various things
including Avahi mDNS. From Bart Van Assche.
6) Missing of_node_put in qcom/emac driver, from Yue Haibing.
7) We lack checking of the TCP checking in one special case during SYN
receive, from Frank van der Linden.
8) Fix module init error paths of mac80211 hwsim, from Johannes Berg.
9) Handle 802.1ad properly in stmmac driver, from Elad Nachman.
10) Must grab HW caps before doing quirk checks in stmmac driver, from
Jose Abreu.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (81 commits)
net: stmmac: Run HWIF Quirks after getting HW caps
neighbour: skip NTF_EXT_LEARNED entries during forced gc
net: cxgb3: add error handling for sysfs_create_group
tls: fix waitall behavior in tls_sw_recvmsg
tls: fix use-after-free in tls_push_record
l2tp: filter out non-PPP sessions in pppol2tp_tunnel_ioctl()
l2tp: reject creation of non-PPP sessions on L2TPv2 tunnels
mlxsw: spectrum_switchdev: Fix port_vlan refcounting
mlxsw: spectrum_router: Align with new route replace logic
mlxsw: spectrum_router: Allow appending to dev-only routes
ipv6: Only emit append events for appended routes
stmmac: added support for 802.1ad vlan stripping
cfg80211: fix rcu in cfg80211_unregister_wdev
mac80211: Move up init of TXQs
mac80211_hwsim: fix module init error paths
cfg80211: initialize sinfo in cfg80211_get_station
nl80211: fix some kernel doc tag mistakes
hv_netvsc: Fix the variable sizes in ipsecv2 and rsc offload
rds: avoid unenecessary cong_update in loop transport
l2tp: clean up stale tunnel or session in pppol2tp_connect's error path
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fix failures in the 'teardown' stage of test b7b8, probably a leftover of
commit 7c5995b33d6e ("tc-testing: fixed copy-pasting error in ife tests")
Fixes: a56e6bcd34b55 ("tc-testing: updated ife test cases")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
pull-request: bpf 2018-06-12
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Avoid an allocation warning in AF_XDP by adding __GFP_NOWARN for the
umem setup, from Björn.
2) Silence a warning in bpf fs when an application tries to open(2) a
pinned bpf obj due to missing fops. Add a dummy open fop that continues
to just bail out in such case, from Daniel.
3) Fix a BPF selftest urandom_read build issue where gcc complains that
it gets built twice, from Anders.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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gcc complains that urandom_read gets built twice.
gcc -o tools/testing/selftests/bpf/urandom_read
-static urandom_read.c -Wl,--build-id
gcc -Wall -O2 -I../../../include/uapi -I../../../lib -I../../../lib/bpf
-I../../../../include/generated -I../../../include urandom_read.c
urandom_read -lcap -lelf -lrt -lpthread -o
tools/testing/selftests/bpf/urandom_read
gcc: fatal error: input file
‘tools/testing/selftests/bpf/urandom_read’ is the
same as output file
compilation terminated.
../lib.mk:110: recipe for target
'tools/testing/selftests/bpf/urandom_read' failed
To fix this issue remove the urandom_read target and so target
TEST_CUSTOM_PROGS gets used.
Fixes: 81f77fd0deeb ("bpf: add selftest for stackmap with BPF_F_STACK_BUILD_ID")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull more Kselftest updates from Shuah Khan:
- fix a signedness bug in cgroups test
- add ppc support for kprobe args tests
* tag 'linux-kselftest-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kselftest/cgroup: fix a signedness bug
selftests/ftrace: Add ppc support for kprobe args tests
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"len" needs to be signed for the error handling to work.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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Add powerpc support for the recently added kprobe args tests.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These revert a recent PM core change that introduced a regression, fix
the build when the recently added Kryo cpufreq driver is selected, add
support for devices attached to multiple power domains to the generic
power domains (genpd) framework, add support for iowait boosting on
systens with hardware-managed P-states (HWP) enabled to the
intel_pstate driver, modify the behavior of the wakeup_count device
attribute in sysfs, fix a few issues and clean up some ugliness,
mostly in cpufreq (core and drivers) and in the cpupower utility.
Specifics:
- Revert a recent PM core change that attempted to fix an issue
related to device links, but introduced a regression (Rafael
Wysocki)
- Fix build when the recently added cpufreq driver for Kryo
processors is selected by making it possible to build that driver
as a module (Arnd Bergmann)
- Fix the long idle detection mechanism in the out-of-band (ondemand
and conservative) cpufreq governors (Chen Yu)
- Add support for devices in multiple power domains to the generic
power domains (genpd) framework (Ulf Hansson)
- Add support for iowait boosting on systems with hardware-managed
P-states (HWP) enabled to the intel_pstate driver and make it use
that feature on systems with Skylake Xeon processors as it is
reported to improve performance significantly on those systems
(Srinivas Pandruvada)
- Fix and update the acpi_cpufreq, ti-cpufreq and imx6q cpufreq
drivers (Colin Ian King, Suman Anna, Sébastien Szymanski)
- Change the behavior of the wakeup_count device attribute in sysfs
to expose the number of events when the device might have aborted
system suspend in progress (Ravi Chandra Sadineni)
- Fix two minor issues in the cpupower utility (Abhishek Goel, Colin
Ian King)"
* tag 'pm-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "PM / runtime: Fixup reference counting of device link suppliers at probe"
cpufreq: imx6q: check speed grades for i.MX6ULL
cpufreq: governors: Fix long idle detection logic in load calculation
cpufreq: intel_pstate: enable boost for Skylake Xeon
PM / wakeup: Export wakeup_count instead of event_count via sysfs
PM / Domains: Add dev_pm_domain_attach_by_id() to manage multi PM domains
PM / Domains: Add support for multi PM domains per device to genpd
PM / Domains: Split genpd_dev_pm_attach()
PM / Domains: Don't attach devices in genpd with multi PM domains
PM / Domains: dt: Allow power-domain property to be a list of specifiers
cpufreq: intel_pstate: New sysfs entry to control HWP boost
cpufreq: intel_pstate: HWP boost performance on IO wakeup
cpufreq: intel_pstate: Add HWP boost utility and sched util hooks
cpufreq: ti-cpufreq: Use devres managed API in probe()
cpufreq: ti-cpufreq: Fix an incorrect error return value
cpufreq: ACPI: make function acpi_cpufreq_fast_switch() static
cpufreq: kryo: allow building as a loadable module
cpupower : Fix header name to read idle state name
cpupower: fix spelling mistake: "logilename" -> "logfilename"
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Pull cpupower updates for v4.18-rc1 from Shuah Khan:
"This cpupower update for 4.18-rc1 consists of two minor fixes."
* tag 'linux-cpupower-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
cpupower : Fix header name to read idle state name
cpupower: fix spelling mistake: "logilename" -> "logfilename"
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