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scftorture: Add smp_call_function() torture test

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This commit adds an smp_call_function() torture test that repeatedly
invokes this function and complains if things go badly awry.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney
2020-06-24 15:59:59 -07:00
parent 9123e3a74e
commit e9d338a0b1
4 changed files with 454 additions and 0 deletions
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10
lib/Kconfig.debug
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@@ -1367,6 +1367,16 @@ config WW_MUTEX_SELFTEST
Say M if you want these self tests to build as a module.
Say N if you are unsure.
config SCF_TORTURE_TEST
tristate "torture tests for smp_call_function*()"
depends on DEBUG_KERNEL
select TORTURE_TEST
help
This option provides a kernel module that runs torture tests
on the smp_call_function() family of primitives. The kernel
module may be built after the fact on the running kernel to
be tested, if desired.
endmenu # lock debugging
config TRACE_IRQFLAGS