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| author |   Rik van Riel <riel@surriel.com> | 2018-09-25 23:58:41 -0400 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2018-10-09 16:51:11 +0200 |
| commit | 7d49b28a80b830c3ca876d33bedc58d62a78e16f (patch) | |
| tree | c6a906d70f899bb2989f97cad1efdd93e9af2015 /include/linux/smp.h | |
| parent | smp: use __cpumask_set_cpu in on_each_cpu_cond (diff) | |
| download | linux-dev-7d49b28a80b830c3ca876d33bedc58d62a78e16f.tar.xz linux-dev-7d49b28a80b830c3ca876d33bedc58d62a78e16f.zip | |
smp,cpumask: introduce on_each_cpu_cond_mask
Introduce a variant of on_each_cpu_cond that iterates only over the
CPUs in a cpumask, in order to avoid making callbacks for every single
CPU in the system when we only need to test a subset.
Cc: npiggin@gmail.com
Cc: mingo@kernel.org
Cc: will.deacon@arm.com
Cc: songliubraving@fb.com
Cc: kernel-team@fb.com
Cc: hpa@zytor.com
Cc: luto@kernel.org
Signed-off-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180926035844.1420-5-riel@surriel.com
Diffstat (limited to 'include/linux/smp.h')
| -rw-r--r-- | include/linux/smp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h index 9fb239e12b82..a56f08ff3097 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -53,6 +53,10 @@ void on_each_cpu_cond(bool (*cond_func)(int cpu, void *info), smp_call_func_t func, void *info, bool wait, gfp_t gfp_flags); +void on_each_cpu_cond_mask(bool (*cond_func)(int cpu, void *info), + smp_call_func_t func, void *info, bool wait, + gfp_t gfp_flags, const struct cpumask *mask); + int smp_call_function_single_async(int cpu, call_single_data_t *csd); #ifdef CONFIG_SMP |