Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755311AbbGCNPe (ORCPT ); Fri, 3 Jul 2015 09:15:34 -0400 Received: from cantor2.suse.de ([195.135.220.15]:36694 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755160AbbGCNP3 (ORCPT ); Fri, 3 Jul 2015 09:15:29 -0400 Date: Fri, 03 Jul 2015 15:15:27 +0200 Message-ID: From: Takashi Iwai To: Ingo Molnar Cc: Josh Boyer , Pontus Fuchs , Peter Zijlstra , Ingo Molnar , "linux-kernel@vger.kernel.org" , Gleb Natapov , Paolo Bonzini Subject: Re: Regression: sched/preempt: Add static_key() to preempt_notifiers breaks my KVM In-Reply-To: <20150701065541.GA4158@gmail.com> References: <558BED42.1030000@gmail.com> <20150625120949.GZ3644@twins.programming.kicks-ass.net> <558BF0E4.50602@gmail.com> <20150701065541.GA4158@gmail.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/24.5 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 845 Lines: 29 At Wed, 1 Jul 2015 08:55:41 +0200, Ingo Molnar wrote: > > > * Josh Boyer wrote: > > > > Tested ok. Thanks. > > > > We've had a report of this in Fedora now. Is the above patch queued anywhere? > > > > https://bugzilla.redhat.com/show_bug.cgi?id=1237143 > > Yes, it's in tip:sched/urgent, en route to Linus. FYI, I checked the latest linux-next and indeed the warning is gone. However, the mouse cursor moves very sluggish on KVM when booted as UP. Reverting the commit 1cde2930e154 fixes it. So, the patch doesn't seem fixing all regressions. thanks, Takashi -- 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/