Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932234AbdHVIab (ORCPT ); Tue, 22 Aug 2017 04:30:31 -0400 Received: from LGEAMRELO11.lge.com ([156.147.23.51]:56197 "EHLO lgeamrelo11.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932133AbdHVIa3 (ORCPT ); Tue, 22 Aug 2017 04:30:29 -0400 X-Original-SENDERIP: 156.147.1.125 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 10.177.222.33 X-Original-MAILFROM: byungchul.park@lge.com From: Byungchul Park To: peterz@infradead.org, mingo@kernel.org Cc: joel.opensrc@gmail.com, linux-kernel@vger.kernel.org, juri.lelli@gmail.com, rostedt@goodmis.org, kernel-team@lge.com Subject: [PATCH v9 0/2] Make find_later_rq() choose a closer cpu in topology Date: Tue, 22 Aug 2017 17:30:13 +0900 Message-Id: <1503390615-22342-1-git-send-email-byungchul.park@lge.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1458 Lines: 44 Change from v8 -. add suggested-by Peterz -. add several comments Change from v7 -. fix a trivial typo -. modify commit messages to explain what it does more clearly -. simplify code with an existing macro Change from v6 -. add a comment about selection of fallback_cpu incase more than one exist -. modify a comment explaining what we do wrt PREFER_SIBLING Change from v5 -. exclude two patches already picked up by peterz (sched/deadline: Make find_later_rq() choose a closer cpu in topology) (sched/deadline: Change return value of cpudl_find()) -. apply what peterz fixed for 'prefer sibling', into deadline and rt Change from v4 -. remove a patch that might cause huge lock contention (by spin lock(&cpudl.lock) in a hot path of scheduler) Change from v3 -. rename closest_cpu to best_cpu so that it align with rt -. protect referring cpudl.elements with cpudl.lock -. change return value of cpudl_find() to bool Change from v2 -. add support for SD_PREFER_SIBLING Change from v1 -. clean up the patch Byungchul Park (2): sched/deadline: Add support for SD_PREFER_SIBLING on find_later_rq() sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq() kernel/sched/deadline.c | 80 ++++++++++++++++++++++++++++++++++++++++++++----- kernel/sched/rt.c | 78 +++++++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 148 insertions(+), 10 deletions(-) -- 1.9.1