From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753170AbdJaF3g (ORCPT ); Tue, 31 Oct 2017 01:29:36 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:31404 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752512AbdJaF3f (ORCPT ); Tue, 31 Oct 2017 01:29:35 -0400 From: Atish Patra To: linux-kernel@vger.kernel.org Cc: atish.patra@oracle.com, joelaf@google.com, peterz@infradead.org, brendan.jackman@arm.com, jbacik@fb.com, mingo@redhat.com Subject: [PATCH RFC 0/2] Fix race window during idle cpu selection. Date: Tue, 31 Oct 2017 00:27:40 -0500 Message-Id: <1509427662-25114-1-git-send-email-atish.patra@oracle.com> X-Mailer: git-send-email 2.7.4 X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The 1st patch actually fixes the issue. The 2nd patch adds a new element in schedstat intended only for testing. Atish Patra (2): sched: Minimize the idle cpu selection race window. sched: Add a stat for idle cpu selection race window. kernel/sched/core.c | 6 ++++++ kernel/sched/fair.c | 12 +++++++++--- kernel/sched/idle_task.c | 1 + kernel/sched/sched.h | 2 ++ kernel/sched/stats.c | 5 +++-- 5 files changed, 21 insertions(+), 5 deletions(-) -- 2.7.4