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authorKan Liang <[email protected]>2020-07-03 05:49:17 -0700
committerPeter Zijlstra <[email protected]>2020-07-08 11:38:53 +0200
commit020d91e5f32da4f4b929b3a6e680135fd526107c (patch)
tree51eb18cd65dae897e64b7ab9987cfe8be206b17d /drivers
parent5624986dc61b81a77fb6136bc232593483d1c254 (diff)
perf/x86/intel/lbr: Mark the {rd,wr}lbr_{to,from} wrappers __always_inline
The {rd,wr}lbr_{to,from} wrappers are invoked in hot paths, e.g. context switch and NMI handler. They should be always inline to achieve better performance. However, the CONFIG_OPTIMIZE_INLINING allows the compiler to uninline functions marked 'inline'. Mark the {rd,wr}lbr_{to,from} wrappers as __always_inline to force inline the wrappers. Suggested-by: Peter Zijlstra (Intel) <[email protected]> Signed-off-by: Kan Liang <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Link: https://lkml.kernel.org/r/[email protected]
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