| Commit message (Collapse) | Author | Age |
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Change default arguments for leap-a-day to always set the time
each iteration (rather then waiting for midnight UTC), and to
only run 10 interations (rather then infinite).
If one wants to wait for midnight UTC, they can use the new -w
flag, and we add a note to the argument help that -i -1 will
run infinitely.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Miroslav Lichvar <mlichvar@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Signed-off-by: John Stultz <john.stultz@linaro.org>
Cc: stable <stable@vger.kernel.org> [4.13+]
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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There is no need to keep timers tests in sync with external timers
repo. Drop support for !KTEST to support for building and running
timers tests without kselftest framework.
Reference: https://lkml.org/lkml/2017/8/10/952
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Acked-by: John Stultz <john.stultz@linaro.org>
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The rtc-generic and opal-rtc are failing to run this test as they do not
support all the features. Let's treat the error returns and skip to the
following test.
Theoretically the test_DATE should be also adjusted, but as it's enabled
on demand I think it makes sense to fail in such case.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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For only one online cpu case, 'make run_tests' try to offline the cpu0 that will
always fail since the host can't offline this unique online cpu.
this patch will skip the test to avoid this failure.
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Previously, 'make run_tests -C cpu-hotplug' always PASS since cpu-on-off-test.sh
always exits 0 even though the test got some unexpected errors like below:
root@debian9:/home/lizhijian/chroot/linux/tools/testing/selftests/cpu-hotplug# make run_tests
pid 878's current affinity mask: 1
pid 878's new affinity mask: 1
CPU online/offline summary:
Cpus in online state: 0
Cpus in offline state: 0
Limited scope test: one hotplug cpu
(leaves cpu in the original state):
online to offline to online: cpu 0
./cpu-on-off-test.sh: line 83: /sys/devices/system/cpu/cpu0/online: Permission denied
offline_cpu_expect_success 0: unexpected fail
./cpu-on-off-test.sh: line 78: /sys/devices/system/cpu/cpu0/online: Permission denied
online_cpu_expect_success 0: unexpected fail
selftests: cpu-on-off-test.sh [PASS]
after this patch, the test will exit with failure once it occurs some unexpected behaviors
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Convert test to use ksft TAP13 framework to print user friendly
test output which is consistent across kselftest suite.
Acked-by: Darren Hart (VMware) <dvhart@infradead.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Convert errx() and err() usage to appropriate TAP13 ksft API.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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The stack size should be 16 bytes aligned in arm64 system. The similar
patch has been merged already.
> <commit id: 1f78dda2cf5e4eeb00aee2a01c9515e2e704b4c0>
> selftests: memfd_test: Revised STACK_SIZE to make it 16-byte aligned
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> There is a mandate of 16-byte aligned stack on AArch64 [1], so the
> STACK_SIZE here should also be 16-byte aligned, otherwise we would
> get an error when calling clone().
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> [1] http://lxr.free-electrons.com/source/arch/arm64/kernel/process.c#L265
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> Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
> Acked-by: Arnd Bergmann <arnd@arndb.de>
> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Orson Zhai <orson.zhai@linaro.org>
Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Executing selftests is fragile as if someone forgot to set a secript
as executable the test will fail, and you won't know for sure if the
failure was caused by the lack of proper permissions or something else.
Setting scripts as executable is required, this also enable folks to
execute selftests as independent units.
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Some tests track errors in addition to test failures. Add ksft_error
counter, ksft_get_error_cnt(), and ksft_test_result_error() API to
get the counter value and print error message.
Update ksft_print_cnts(), and ksft_test_num() to include error counter.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Convert the test to use TAP13 ksft framework for test output. Converting
error paths using err() and errx() will be done in another patch to make
it easier for review and change management.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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do_tests() runs sgidnonroot test without fork_wait(). As a result the
last test "Non-root +ia, sgidroot => i test" is left out. Fix it.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Add the usr/include subdirectory of the top-level tree to the include
path to fix build when cross compiling for ARM.
testptp.c: In function 'main':
testptp.c:289:15: error: 'struct ptp_clock_caps' has no member named 'cross_timestamping'
caps.cross_timestamping);
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Convert to use TAP13 ksft framework to output results.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Add .gitignore for generated files.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Add .gitignore for generated files.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Convert test to use TAP13 ksft framework. Output after conversion:
TAP version 13
# [RUN] Testing sync framework
ok 1 [RUN] test_alloc_timeline
ok 2 [RUN] test_alloc_fence
ok 3 [RUN] test_alloc_fence_negative
ok 4 [RUN] test_fence_one_timeline_wait
ok 5 [RUN] test_fence_one_timeline_merge
ok 6 [RUN] test_fence_merge_same_fence
ok 7 [RUN] test_fence_multi_timeline_wait
ok 8 [RUN] test_stress_two_threads_shared_timeline
ok 9 [RUN] test_consumer_stress_multi_producer_single_consumer
ok 10 [RUN] test_merge_stress_random_merge
Pass 10 Fail 0 Xfail 0 Xpass 0 Skip 0
1..10
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
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Some tests print final pass/fail message based on fail count. Add
ksft_get_*_cnt() API to kselftest framework to return counts.
Update ksft_print_cnts() to print the test results summary message with
individual pass, fail, ... counters.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
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Sync test doesn't differentiate between sync unsupported and test run
by non-root user and treats both as unsupported cases.
Fix it to add handling for these two different scenarios.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
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Use [ ! -z "$VAR" ] instead of [ "$VAR" ] to check
whether the given string variable is not zero-length
since it obviously shows what it means.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <srostedt@goodmis.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Output logs only to console if "-" is given to --logdir
option. In this case, ftracetest doesn't record any log
on the disk, and all logs immediately shown (including
all command logs.) Since there is no "tee" in the middle
of command and console, it outputs the log really soon.
This option is useful only when the console is logged.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <srostedt@goodmis.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Add 3-level verbosity for showing traced command log
on console immediately. Since some test cases can cause
kernel pacic if there is a probrem (like regression etc.),
we can not know which command caused the problem without
traced command log. This verbosity (-vvv) solves that
because it shows the log on console immediately. User
can get continuous command/error log.
Note that this is a kind of kernel debug mode, if you
don't see any kernel related issue, you don't need this
verbosity.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <srostedt@goodmis.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Add --fail-unsupported option to fail the test result if
ftracetest gets UNSUPPORTED result. UNSUPPORTED usually
happens when the kernel is old (e.g. stable tree) or some
kernel feature is disabled.
However, if newer kernel has any bug or regression, it
can make test results in UNSUPPORTED too. This option
can detect such kernel regression.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <srostedt@goodmis.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Do not return failure exit code (1) for unsupported testcases,
since it is expected for stable kernels.
Previously, ftracetest is expected to run only on current
release for avoiding regressions. However, nowadays we run
it on stable kernels. This means some test cases must return
unsupported result. In such case, we should NOT exit
ftracetest with error status for unsupported results so that
kselftest (upper tests wrapper) shows it passed correctly.
Note that we continue to treat unresolved results as failure,
if test writers would like to notice user that the test result
should be reviewed, they can use exit_unresolved.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Steven Rostedt (VMware) <srostedt@goodmis.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Add missing line breaks between the last two tests.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Simplify the Makefile rules so that the test is
automatically installed (and cleaned) by leveraging
the TEST_GEN_PROGS_EXTENDED definition.
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Some watchdog drivers implement WDIOF_CARDRESET feature. As example,
see commit b6ef36d2c1e3 ("watchdog: qcom: Report reboot reason").
This option allows reporting to userspace the cause of the last boot
(POR/watchdog reset), being helpful in e.g. automated test-cases.
Add support for WDIOC_GETBOOTSTATUS in the test code, to be able to:
- check if watchdog drivers properly implement WDIOF_CARDRESET.
- check the last boot status, if WDIOF_CARDRESET is implemented.
Make the `-b, --bootstatus` option one-shot. That means, skip the
keepalive mechanism if `-b` is provided on the command line, as we
are only interested in the boot status information.
Tested on Rcar-H3 Salvator-X board:
********************** Cold boot finished
salvator-x:/home/root# ./watchdog-test -h
Usage: ./watchdog-test [options]
-b, --bootstatus Get last boot status (Watchdog/POR)
-d, --disable Turn off the watchdog timer
-e, --enable Turn on the watchdog timer
-h, --help Print the help message
-p, --pingrate=P Set ping rate to P seconds (default 1)
-t, --timeout=T Set timeout to T seconds
Parameters are parsed left-to-right in real-time.
Example: ./watchdog-test -d -t 10 -p 5 -e
salvator-x:/home/root#
salvator-x:/home/root# ./watchdog-test -b
Last boot is caused by: Power-On-Reset.
salvator-x:/home/root#
salvator-x:/home/root# ./watchdog-test -d -t 1 -p 2 -e
Watchdog card disabled.
Watchdog timeout set to 1 seconds.
Watchdog ping rate set to 2 seconds.
Watchdog card enabled.
Watchdog Ticking Away!
********************** Reboot due to watchdog trigger finished
salvator-x:/home/root# ./watchdog-test -b
Last boot is caused by: Watchdog.
salvator-x:/home/root#
salvator-x:/home/root# reboot
********************** Reboot due to user action finished
salvator-x:/home/root# ./watchdog-test -b
Last boot is caused by: Power-On-Reset.
salvator-x:/home/root#
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Calling `watchdog-test [options] -p 0` results in flooding the kernel
with WDIOC_KEEPALIVE. Fix this by enforcing 1 second as minimal/default
keepalive/ping rate.
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Report the failure of WDIOC_SETOPTIONS/WDIOC_SETTIMEOUT ioctls.
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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commit f15d7114bbdd ("Documentation/watchdog: add timeout and ping rate
control to watchdog-test.c") used both atoi() and strtoul() for string
to integer conversion. As usage of atoi() is discouraged in newer code,
replace it with strtoul() for consistency.
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Switch from manual argv[] parsing to getopt_long() argument processing.
This creates more readable code and allows easier feature addition.
This also fixes some segmentation faults introduced by
commit 1dbdcc810928 ("selftests: watchdog: accept multiple params on
command line"), when options -t or -p are not given the required value:
./watchdog-test -p 1 -t
./watchdog-test -t 1 -p
No changes are intended in the way watchdog-test interacts with the
kernel. The only noticible changes, tightly related to the addition
of getopt (and done for easier maintenance), are:
- help message has been reworked and migrated to a dedicated function.
- all short/long options and the help message are sorted alphabetically.
- all case statements inside the getopt loop are sorted alphabetically.
Fixes: 1dbdcc810928 ("selftests: watchdog: accept multiple params on command line")
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Convert spaces to tabs for checkpatch compliance. Quick way to verify
this is by running `git show -w <commit-id>`, which returns an empty
commit body. No functional change intended.
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Create a config fragment for nsfs to enable additional config options.
The config fragments can be used with the help of
scripts/kconfig/merge_config.sh.
Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Acked-by: Andrei Vagin <avagin@virtuozzo.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Nothing really major this release, despite quite a lot of activity.
Just lots of things all over the place.
Some things of note include:
- Access via perf to a new type of PMU (IMC) on Power9, which can
count both core events as well as nest unit events (Memory
controller etc).
- Optimisations to the radix MMU TLB flushing, mostly to avoid
unnecessary Page Walk Cache (PWC) flushes when the structure of the
tree is not changing.
- Reworks/cleanups of do_page_fault() to modernise it and bring it
closer to other architectures where possible.
- Rework of our page table walking so that THP updates only need to
send IPIs to CPUs where the affected mm has run, rather than all
CPUs.
- The size of our vmalloc area is increased to 56T on 64-bit hash MMU
systems. This avoids problems with the percpu allocator on systems
with very sparse NUMA layouts.
- STRICT_KERNEL_RWX support on PPC32.
- A new sched domain topology for Power9, to capture the fact that
pairs of cores may share an L2 cache.
- Power9 support for VAS, which is a new mechanism for accessing
coprocessors, and initial support for using it with the NX
compression accelerator.
- Major work on the instruction emulation support, adding support for
many new instructions, and reworking it so it can be used to
implement the emulation needed to fixup alignment faults.
- Support for guests under PowerVM to use the Power9 XIVE interrupt
controller.
And probably that many things again that are almost as interesting,
but I had to keep the list short. Plus the usual fixes and cleanups as
always.
Thanks to: Alexey Kardashevskiy, Alistair Popple, Andreas Schwab,
Aneesh Kumar K.V, Anju T Sudhakar, Arvind Yadav, Balbir Singh,
Benjamin Herrenschmidt, Bhumika Goyal, Breno Leitao, Bryant G. Ly,
Christophe Leroy, Cédric Le Goater, Dan Carpenter, Dou Liyang,
Frederic Barrat, Gautham R. Shenoy, Geliang Tang, Geoff Levand, Hannes
Reinecke, Haren Myneni, Ivan Mikhaylov, John Allen, Julia Lawall,
LABBE Corentin, Laurentiu Tudor, Madhavan Srinivasan, Markus Elfring,
Masahiro Yamada, Matt Brown, Michael Neuling, Murilo Opsfelder Araujo,
Nathan Fontenot, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran,
Paul Mackerras, Rashmica Gupta, Rob Herring, Rui Teng, Sam Bobroff,
Santosh Sivaraj, Scott Wood, Shilpasri G Bhat, Sukadev Bhattiprolu,
Suraj Jitindar Singh, Tobin C. Harding, Victor Aoqui"
* tag 'powerpc-4.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (321 commits)
powerpc/xive: Fix section __init warning
powerpc: Fix kernel crash in emulation of vector loads and stores
powerpc/xive: improve debugging macros
powerpc/xive: add XIVE Exploitation Mode to CAS
powerpc/xive: introduce H_INT_ESB hcall
powerpc/xive: add the HW IRQ number under xive_irq_data
powerpc/xive: introduce xive_esb_write()
powerpc/xive: rename xive_poke_esb() in xive_esb_read()
powerpc/xive: guest exploitation of the XIVE interrupt controller
powerpc/xive: introduce a common routine xive_queue_page_alloc()
powerpc/sstep: Avoid used uninitialized error
axonram: Return directly after a failed kzalloc() in axon_ram_probe()
axonram: Improve a size determination in axon_ram_probe()
axonram: Delete an error message for a failed memory allocation in axon_ram_probe()
powerpc/powernv/npu: Move tlb flush before launching ATSD
powerpc/macintosh: constify wf_sensor_ops structures
powerpc/iommu: Use permission-specific DEVICE_ATTR variants
powerpc/eeh: Delete an error out of memory message at init time
powerpc/mm: Use seq_putc() in two functions
macintosh: Convert to using %pOF instead of full_name
...
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Currently these tests won't build with a `--enable-default-pie`
compiler as they require r30 to be clobbered. This gives
an error:
ptrace-tm-spd-gpr.c:41:2: error: PIC register clobbered by 'r30' in 'asm'
This forces these tests to be built no-pie.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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.llong is an undocumented PPC specific directive. The generic
equivalent is .quad, but even better (because it's self describing) is
.8byte.
Convert all .llong directives to .8byte.
Signed-off-by: Tobin C. Harding <me@tobin.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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The tm-resched-dscr self test can, in some situations, run for
several minutes before being successfully interrupted by the context
switch it needs in order to perform the test. This often seems to
occur when the test is being run in a virtual machine.
Improve the test by running it under eat_cpu() to guarantee
contention for the CPU and increase the chance of a context switch.
In practice this seems to reduce the test time, in some cases, from
more than two minutes to under a second.
Also remove the "progress dots" so that if the test does run for a
long time, it doesn't produce large amounts of unnecessary output.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Merge updates from Andrew Morton:
- various misc bits
- DAX updates
- OCFS2
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (119 commits)
mm,fork: introduce MADV_WIPEONFORK
x86,mpx: make mpx depend on x86-64 to free up VMA flag
mm: add /proc/pid/smaps_rollup
mm: hugetlb: clear target sub-page last when clearing huge page
mm: oom: let oom_reap_task and exit_mmap run concurrently
swap: choose swap device according to numa node
mm: replace TIF_MEMDIE checks by tsk_is_oom_victim
mm, oom: do not rely on TIF_MEMDIE for memory reserves access
z3fold: use per-cpu unbuddied lists
mm, swap: don't use VMA based swap readahead if HDD is used as swap
mm, swap: add sysfs interface for VMA based swap readahead
mm, swap: VMA based swap readahead
mm, swap: fix swap readahead marking
mm, swap: add swap readahead hit statistics
mm/vmalloc.c: don't reinvent the wheel but use existing llist API
mm/vmstat.c: fix wrong comment
selftests/memfd: add memfd_create hugetlbfs selftest
mm/shmem: add hugetlbfs support to memfd_create()
mm, devm_memremap_pages: use multi-order radix for ZONE_DEVICE lookups
mm/vmalloc.c: halve the number of comparisons performed in pcpu_get_vm_areas()
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With the addition of hugetlbfs support in memfd_create, the memfd
selftests should verify correct functionality with hugetlbfs.
Instead of writing a separate memfd hugetlbfs test, modify the
memfd_test program to take an optional argument 'hugetlbfs'. If the
hugetlbfs argument is specified, basic memfd_create functionality will
be exercised on hugetlbfs. If hugetlbfs is not specified, the current
functionality of the test is unchanged.
Note that many of the tests in memfd_test test file sealing operations.
hugetlbfs does not support file sealing, therefore for hugetlbfs all
sealing related tests are skipped.
In order to test on hugetlbfs, there needs to be preallocated huge
pages. A new script (run_tests) is added. This script will first run
the existing memfd_create tests. It will then, attempt to allocate the
required number of huge pages before running the hugetlbfs test. At the
end of testing, it will release any huge pages allocated for testing
purposes.
Link: http://lkml.kernel.org/r/1502495772-24736-3-git-send-email-mike.kravetz@oracle.com
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Showing zero in the output isn't very self explanatory as a successful
result. Show a more explicit error output if the test fails.
Link: http://lkml.kernel.org/r/20170802165145.22628-4-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Alexey Perevalov <a.perevalov@samsung.com>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This will retry the UFFDIO_COPY/ZEROPAGE to verify it returns -EEXIST at
the first invocation and then later every 10 seconds.
In the filebacked MAP_SHARED case this also verifies the -EEXIST
triggered in the filesystem pagecache insertion, if the offset in the
file was not a hole.
shmem MAP_SHARED tries to index the newly allocated pagecache in the
radix tree before checking the pagetable so it doesn't need any
assistance to exercise that case.
hugetlbfs checks the pmd to be not none before trying to index the
hugetlbfs page in the radix tree, so it requires to run UFFDIO_COPY into
an alias mapping (the alternative would be to use MADV_DONTNEED to only
zap the pagetables, but that doesn't work on hugetlbfs).
[akpm@linux-foundation.org: fix uffdio_zeropage(), per Mike Kravetz]
Link: http://lkml.kernel.org/r/20170802165145.22628-3-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Alexey Perevalov <a.perevalov@samsung.com>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add tests for UFFD_FEATURE_SIGBUS feature. The tests will verify signal
delivery instead of userfault events. Also, test use of UFFDIO_COPY to
allocate memory and retry accessing monitored area after signal
delivery.
Also fix a bug in uffd_poll_thread() where 'uffd' is leaked.
Link: http://lkml.kernel.org/r/1501552446-748335-3-git-send-email-prakash.sangappa@oracle.com
Signed-off-by: Prakash Sangappa <prakash.sangappa@oracle.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Link: http://lkml.kernel.org/r/1497939652-16528-8-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull networking updates from David Miller:
1) Support ipv6 checksum offload in sunvnet driver, from Shannon
Nelson.
2) Move to RB-tree instead of custom AVL code in inetpeer, from Eric
Dumazet.
3) Allow generic XDP to work on virtual devices, from John Fastabend.
4) Add bpf device maps and XDP_REDIRECT, which can be used to build
arbitrary switching frameworks using XDP. From John Fastabend.
5) Remove UFO offloads from the tree, gave us little other than bugs.
6) Remove the IPSEC flow cache, from Florian Westphal.
7) Support ipv6 route offload in mlxsw driver.
8) Support VF representors in bnxt_en, from Sathya Perla.
9) Add support for forward error correction modes to ethtool, from
Vidya Sagar Ravipati.
10) Add time filter for packet scheduler action dumping, from Jamal Hadi
Salim.
11) Extend the zerocopy sendmsg() used by virtio and tap to regular
sockets via MSG_ZEROCOPY. From Willem de Bruijn.
12) Significantly rework value tracking in the BPF verifier, from Edward
Cree.
13) Add new jump instructions to eBPF, from Daniel Borkmann.
14) Rework rtnetlink plumbing so that operations can be run without
taking the RTNL semaphore. From Florian Westphal.
15) Support XDP in tap driver, from Jason Wang.
16) Add 32-bit eBPF JIT for ARM, from Shubham Bansal.
17) Add Huawei hinic ethernet driver.
18) Allow to report MD5 keys in TCP inet_diag dumps, from Ivan
Delalande.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1780 commits)
i40e: point wb_desc at the nvm_wb_desc during i40e_read_nvm_aq
i40e: avoid NVM acquire deadlock during NVM update
drivers: net: xgene: Remove return statement from void function
drivers: net: xgene: Configure tx/rx delay for ACPI
drivers: net: xgene: Read tx/rx delay for ACPI
rocker: fix kcalloc parameter order
rds: Fix non-atomic operation on shared flag variable
net: sched: don't use GFP_KERNEL under spin lock
vhost_net: correctly check tx avail during rx busy polling
net: mdio-mux: add mdio_mux parameter to mdio_mux_init()
rxrpc: Make service connection lookup always check for retry
net: stmmac: Delete dead code for MDIO registration
gianfar: Fix Tx flow control deactivation
cxgb4: Ignore MPS_TX_INT_CAUSE[Bubble] for T6
cxgb4: Fix pause frame count in t4_get_port_stats
cxgb4: fix memory leak
tun: rename generic_xdp to skb_xdp
tun: reserve extra headroom only when XDP is set
net: dsa: bcm_sf2: Configure IMP port TC2QOS mapping
net: dsa: bcm_sf2: Advertise number of egress queues
...
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Three cases of simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The msg_zerocopy test defines SO_ZEROCOPY if necessary, but its value
is inconsistent with the one in asm-generic.h. Correct that.
Also convert one error to a warning. When the test is complete, report
throughput and close cleanly even if the process did not wait for all
completions.
Reported-by: Dan Melnic <dmm@fb.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trivial fix to typos in printf error messages:
"conenct" -> "connect"
"listeen" -> "listen"
thanks to Daniel Borkmann for spotting one of these mistakes
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a new testcase for the IFE type setting in tc. In case
of user specified the type it will check if the ife is correctly
configured to react on it. If it's not specified the default IFE type
should be used.
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a basic test for checking whether kernel is populating
the jited and xlated BPF images. It was used to confirm
the behaviour change from commit d777b2ddbecf ("bpf: don't
zero out the info struct in bpf_obj_get_info_by_fd()"),
which made bpf_obj_get_info_by_fd() usable for retrieving
the image dumps.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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