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locking/static_keys: Add selftest

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Add a little selftest that validates all combinations.

Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Peter Zijlstra 2015-07-27 18:32:09 +02:00 • committed by Ingo Molnar
commit 1987c947d9
2 changed files with 44 additions and 1 deletions
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6
arch/Kconfig
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@ -71,6 +71,12 @@ config JUMP_LABEL
( On 32-bit x86, the necessary options added to the compiler
flags may increase the size of the kernel slightly. )
config STATIC_KEYS_SELFTEST
bool "Static key selftest"
depends on JUMP_LABEL
help
Boot time self-test of the branch patching code.
config OPTPROBES
def_bool y
depends on KPROBES && HAVE_OPTPROBES