Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752442AbbHSSrx (ORCPT ); Wed, 19 Aug 2015 14:47:53 -0400 Received: from foss.arm.com ([217.140.101.70]:53360 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752369AbbHSSru (ORCPT ); Wed, 19 Aug 2015 14:47:50 -0400 From: Patrick Bellasi To: Peter Zijlstra , Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Juri Lelli Subject: [RFC PATCH 06/14] sched/cpufreq_sched: modify pcpu_capacity handling Date: Wed, 19 Aug 2015 19:47:16 +0100 Message-Id: <1440010044-3402-7-git-send-email-patrick.bellasi@arm.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1440010044-3402-1-git-send-email-patrick.bellasi@arm.com> References: <1440010044-3402-1-git-send-email-patrick.bellasi@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1189 Lines: 34 From: Juri Lelli 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 cc: Peter Zijlstra Signed-off-by: Juri Lelli Acked-by: Michael Turquette --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/