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(parent: afaa653) | patch
smp: Optimize send_call_function_single_ipi()
authorPeter Zijlstra <peterz@infradead.org>
Tue, 26 May 2020 16:11:01 +0000 (18:11 +0200)
committerIngo Molnar <mingo@kernel.org>
Thu, 28 May 2020 08:54:15 +0000 (10:54 +0200)
commitb2a02fc43a1f40ef4eb2fb2b06357382608d4d84
treebeedd3ab17cd9da7d49948aff6e1d82fe535dc81tree | snapshot
parentafaa653c564da38c0b34c4baba31e88c46a8764ccommit | diff
smp: Optimize send_call_function_single_ipi()

Just like the ttwu_queue_remote() IPI, make use of _TIF_POLLING_NRFLAG
to avoid sending IPIs to idle CPUs.

[ mingo: Fix UP build bug. ]

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200526161907.953304789@infradead.org
kernel/sched/core.c diff | blob | history
kernel/sched/idle.c diff | blob | history
kernel/sched/sched.h diff | blob | history
kernel/smp.c diff | blob | history
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