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authorHeiko Carstens <heiko.carstens@de.ibm.com>2015-07-29 08:31:24 +0200
committerIngo Molnar <mingo@kernel.org>2015-08-03 11:34:17 +0200
commited79e946732e5311934d7f404b3b4e702e45cb97 (patch)
tree707e84f82e9b7f07c9638671ccbb85807fdcdfaf /lib/Kconfig.debug
parent3bbfafb77a06327fa1bc9f19bc55b5c558475091 (diff)
s390/uaccess, locking/static_keys: employ static_branch_likely()
Use the new static_branch_likely() primitive to make sure that the most likely case is executed without taking an unconditional branch. This wasn't possible with the old jump label primitives. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Link: http://lkml.kernel.org/r/20150729064600.GB3953@osiris Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/Kconfig.debug')
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