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sched: Minimise repeated sched_proxy_exec() checking
Peter noted: Compilers are really bad (as in they utterly refuse) optimizing (even when marked with __pure) the static branch things, and will happily emit multiple identical in a row. So pull out the one obvious sched_proxy_exec() branch in __schedule() and remove some of the 'implicit' ones in that path. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: John Stultz <jstultz@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: K Prateek Nayak <kprateek.nayak@amd.com> Link: https://patch.msgid.link/20260324191337.1841376-3-jstultz@google.com
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