Messages in this thread Patch in this message | | | From | Patrick Bellasi <> | Subject | [RFC PATCH 06/14] sched/cpufreq_sched: modify pcpu_capacity handling | Date | Wed, 19 Aug 2015 19:47:16 +0100 |
| |
From: Juri Lelli <juri.lelli@arm.com>
Use the cpu argument of cpufreq_sched_set_cap() to handle per_cpu writes, as the thing can be called remotely (e.g., from load balacing code).
cc: Ingo Molnar <mingo@redhat.com> cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Juri Lelli <juri.lelli@arm.com> Acked-by: Michael Turquette <mturquette@baylibre.com> --- kernel/sched/cpufreq_sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/cpufreq_sched.c b/kernel/sched/cpufreq_sched.c index e6b4a22..27f2cec 100644 --- a/kernel/sched/cpufreq_sched.c +++ b/kernel/sched/cpufreq_sched.c @@ -151,7 +151,7 @@ void cpufreq_sched_set_cap(int cpu, unsigned long capacity) unsigned long capacity_max = 0; /* update per-cpu capacity request */ - __this_cpu_write(pcpu_capacity, capacity); + per_cpu(pcpu_capacity, cpu) = capacity; policy = cpufreq_cpu_get(cpu); if (IS_ERR_OR_NULL(policy)) { -- 2.5.0
| |