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authorRik van Riel <riel@surriel.com>2018-09-25 23:58:41 -0400
committerPeter Zijlstra <peterz@infradead.org>2018-10-09 16:51:11 +0200
commit7d49b28a80b830c3ca876d33bedc58d62a78e16f (patch)
treec6a906d70f899bb2989f97cad1efdd93e9af2015 /include/linux/smp.h
parentc3f7f2c7eba1a53d2e5ffbc2dcc9a20c5f094890 (diff)
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.h4
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