]> git.baikalelectronics.ru Git - kernel.git/commit
powerpc/64s: Avoid a branch for ppc_msgsnd
authorNicholas Piggin <npiggin@gmail.com>
Thu, 13 Apr 2017 10:16:23 +0000 (20:16 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 13 Apr 2017 13:34:34 +0000 (23:34 +1000)
commit05e4125770423a67945efc6ad396cc8c1b4ce6fd
tree6669b7ef6c5613c8cb70f02c478885f234594a65
parent23281e1e748497a50622169465d13a4f7a79d9a7
powerpc/64s: Avoid a branch for ppc_msgsnd

IPIs are a pretty hot path and we already have the ability to do asm feature
patching, so use it.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Change log detail]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/dbell.h