From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752991AbbDQJSI (ORCPT ); Fri, 17 Apr 2015 05:18:08 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:55035 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751086AbbDQJSB (ORCPT ); Fri, 17 Apr 2015 05:18:01 -0400 Date: Fri, 17 Apr 2015 11:17:45 +0200 From: Peter Zijlstra To: Paolo Bonzini Cc: torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, gleb@kernel.org, kvm@vger.kernel.org, Ralf Baechle , mtosatti@redhat.com, luto@kernel.org Subject: Re: [GIT PULL] First batch of KVM changes for 4.1 Message-ID: <20150417091745.GA24151@twins.programming.kicks-ass.net> References: <1428678089-16291-1-git-send-email-pbonzini@redhat.com> <20150417085238.GJ17717@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150417085238.GJ17717@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 17, 2015 at 10:52:38AM +0200, Peter Zijlstra wrote: > On Fri, Apr 10, 2015 at 05:01:29PM +0200, Paolo Bonzini wrote: > > include/linux/sched.h | 8 + > > kernel/sched/core.c | 15 + > > Can you please not puke over the scheduler without Acks from at least > one maintainer? > > I complained about this very thing two years ago: > > http://marc.info/?l=linux-kernel&m=137345253916751 > > And now it magically re-appears WTF! And I really don't understand _why_ you need that extra callback in the first place. You already have preempt notifiers, just track if you came in on another cpu than you went out on and voila!