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| author | Peter Zijlstra <peterz@infradead.org> | 2020-05-26 18:11:01 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-05-28 10:54:15 +0200 |
| commit | b2a02fc43a1f40ef4eb2fb2b06357382608d4d84 (patch) | |
| tree | beedd3ab17cd9da7d49948aff6e1d82fe535dc81 /kernel/irq_work.c | |
| parent | afaa653c564da38c0b34c4baba31e88c46a8764c (diff) | |
| download | linux-stable-b2a02fc43a1f40ef4eb2fb2b06357382608d4d84.tar.gz linux-stable-b2a02fc43a1f40ef4eb2fb2b06357382608d4d84.tar.bz2 linux-stable-b2a02fc43a1f40ef4eb2fb2b06357382608d4d84.zip | |
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
Diffstat (limited to 'kernel/irq_work.c')
0 files changed, 0 insertions, 0 deletions