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authorNicholas Piggin <npiggin@gmail.com>2017-04-13 12:16:23 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2017-04-13 15:34:34 +0200
commita5adf282461fb6048973ca3aec590495bdbc33f1 (patch)
tree6669b7ef6c5613c8cb70f02c478885f234594a65 /sound
parentpowerpc: Introduce msgsnd/doorbell barrier primitives (diff)
downloadlinux-a5adf282461fb6048973ca3aec590495bdbc33f1.tar.xz
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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>
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