From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753181AbdHRNbh (ORCPT ); Fri, 18 Aug 2017 09:31:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:55688 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752607AbdHRNbd (ORCPT ); Fri, 18 Aug 2017 09:31:33 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA2D422C9A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=rostedt@goodmis.org Date: Fri, 18 Aug 2017 09:31:30 -0400 From: Steven Rostedt To: Byungchul Park Cc: peterz@infradead.org, mingo@kernel.org, joel.opensrc@gmail.com, linux-kernel@vger.kernel.org, juri.lelli@gmail.com, kernel-team@lge.com Subject: Re: [PATCH v7 2/2] sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq() Message-ID: <20170818093130.58d9d04a@gandalf.local.home> In-Reply-To: <1503036313-15044-3-git-send-email-byungchul.park@lge.com> References: <1503036313-15044-1-git-send-email-byungchul.park@lge.com> <1503036313-15044-3-git-send-email-byungchul.park@lge.com> X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 18 Aug 2017 15:05:13 +0900 Byungchul Park wrote: > It would be better to avoid pushing tasks to other cpu within > a SD_PREFER_SIBLING domain, instead, get more chances to check other > siblings. > > Signed-off-by: Byungchul Park Reviewed-by: Steven Rostedt (VMware) Note, we really should consolidate the rt.c and deadline.c find lowest rqs code, especially since they should be aware of each other (rt and deadline tasks should take notice of other rt and deadline tasks, not just their own kind). -- Steve