From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() Date: Mon, 17 Jan 2011 21:16:03 +0100 Message-ID: <1295295363.30950.318.camel@laptop> References: <1295262433.30950.53.camel@laptop> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: uclinux-dist-devel-bounces-ZG0+EudsQA8dtHy/vicBwGD2FQJk+8+b@public.gmane.org Errors-To: uclinux-dist-devel-bounces-ZG0+EudsQA8dtHy/vicBwGD2FQJk+8+b@public.gmane.org To: Mike Frysinger Cc: linux-m32r-ja-rQhvJZKUsGBRYuoOT4C5/9i2O/JbrIOy@public.gmane.org, linux-mips-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org, linux-ia64-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Benjamin Herrenschmidt , Heiko Carstens , "James E.J. Bottomley" , David Howells , Paul Mackerras , "H. Peter Anvin" , sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ralf-ZG0+EudsQA8dtHy/vicBwGD2FQJk+8+b@public.gmane.org, Linux-Arch , linux-s390-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jesper Nilsson , Jeremy Fitzhardinge , Russell King , Hirokazu Takata , x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Koichi-ZG0+EudsQA8dtHy/vicBwGD2FQJk+8+b@public.gmane.org, virtualization-qjLDD68F18O7TbgM5vRIOg@public.gmane.org, Ingo Molnar , Matt Turner On Mon, 2011-01-17 at 14:49 -0500, Mike Frysinger wrote: > On Mon, Jan 17, 2011 at 06:07, Peter Zijlstra wrote: > > Also, while reading through all this, I noticed the blackfin SMP code > > looks to be broken, it simply discards any IPI when low on memory. > > not really. see changelog of commit 73a400646b8e26615f3ef1a0a4bc0cd0d5bd284c. Ah, indeed, it appears my tree was simply out of date, very good! From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 17 Jan 2011 22:21:55 +0100 (CET) Received: from casper.infradead.org ([85.118.1.10]:57416 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S1493594Ab1AQVVv convert rfc822-to-8bit (ORCPT ); Mon, 17 Jan 2011 22:21:51 +0100 Received: from j77219.upc-j.chello.nl ([24.132.77.219] helo=laptop) by casper.infradead.org with esmtpsa (Exim 4.72 #1 (Red Hat Linux)) id 1PevU3-0000Df-MU; Mon, 17 Jan 2011 20:15:23 +0000 Received: by laptop (Postfix, from userid 1000) id 26CCD1033A271; Mon, 17 Jan 2011 21:16:04 +0100 (CET) Subject: Re: [uclinux-dist-devel] [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() From: Peter Zijlstra To: Mike Frysinger Cc: Richard Henderson , Ivan Kokshaysky , Matt Turner , Russell King , Mikael Starvik , Jesper Nilsson , Tony Luck , Fenghua Yu , Hirokazu Takata , Ralf Baechle , David Howells , Koichi Yasutake , Kyle McMartin , Helge Deller , "James E.J. Bottomley" , Benjamin Herrenschmidt , Paul Mackerras , Martin Schwidefsky , Heiko Carstens , linux390@de.ibm.com, Paul Mundt , "David S. Miller" , Chris Metcalf , Jeff Dike , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Jeremy Fitzhardinge , Konrad Rzeszutek Wilk , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, uclinux-dist-devel@blackfin.uclinux.org, linux-cris-kernel@axis.com, linux-ia64@vger.kernel.org, linux-m32r@ml.linux-m32r.org, linux-m32r-ja@ml.linux-m32r.org, linux-mips@linux-mips.org, linux-am33-list@redhat.com, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net, user-mode-linux-user@lists.sourceforge.net, xen-devel@lists.xensource.com, virtualization@lists.osdl.org, Linux-Arch In-Reply-To: References: <1295262433.30950.53.camel@laptop> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Mon, 17 Jan 2011 21:16:03 +0100 Message-ID: <1295295363.30950.318.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 28950 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: peterz@infradead.org Precedence: bulk X-list: linux-mips On Mon, 2011-01-17 at 14:49 -0500, Mike Frysinger wrote: > On Mon, Jan 17, 2011 at 06:07, Peter Zijlstra wrote: > > Also, while reading through all this, I noticed the blackfin SMP code > > looks to be broken, it simply discards any IPI when low on memory. > > not really. see changelog of commit 73a400646b8e26615f3ef1a0a4bc0cd0d5bd284c. Ah, indeed, it appears my tree was simply out of date, very good! From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() Date: Mon, 17 Jan 2011 21:16:03 +0100 Message-ID: <1295295363.30950.318.camel@laptop> References: <1295262433.30950.53.camel@laptop> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: linux-m32r-ja-rQhvJZKUsGBRYuoOT4C5/9i2O/JbrIOy@public.gmane.org, linux-mips-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org, linux-ia64-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Benjamin Herrenschmidt , Heiko Carstens , "James E.J. Bottomley" , David Howells , Paul Mackerras , "H. Peter Anvin" , sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ralf-ZG0+EudsQA8dtHy/vicBwGD2FQJk+8+b@public.gmane.org, Linux-Arch , linux-s390-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Jesper Nilsson , Jeremy Fitzhardinge , Russell King , Hirokazu Takata , x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Koichi-ZG0+EudsQA8dtHy/vicBwGD2FQJk+8+b@public.gmane.org, virtualization-qjLDD68F18O7TbgM5vRIOg@public.gmane.org, Ingo Molnar , Matt Turner Return-path: In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: uclinux-dist-devel-bounces-ZG0+EudsQA8dtHy/vicBwGD2FQJk+8+b@public.gmane.org On Mon, 2011-01-17 at 14:49 -0500, Mike Frysinger wrote: > On Mon, Jan 17, 2011 at 06:07, Peter Zijlstra wrote: > > Also, while reading through all this, I noticed the blackfin SMP code > > looks to be broken, it simply discards any IPI when low on memory. > > not really. see changelog of commit 73a400646b8e26615f3ef1a0a4bc0cd0d5bd284c. Ah, indeed, it appears my tree was simply out of date, very good! From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Peter Zijlstra In-Reply-To: References: <1295262433.30950.53.camel@laptop> Date: Mon, 17 Jan 2011 21:16:03 +0100 Message-ID: <1295295363.30950.318.camel@laptop> Mime-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: linuxppc-dev-bounces+geert=linux-m68k.org@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+geert=linux-m68k.org@lists.ozlabs.org Subject: Re: [uclinux-dist-devel] [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() To: Mike Frysinger Cc: linux-m32r-ja@ml.linux-m32r.org, linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, "H. Peter Anvin" , Heiko Carstens , Paul Mackerras , Helge Deller , sparclinux@vger.kernel.org, Linux-Arch , linux-s390@vger.kernel.org, Jesper Nilsson , Jeremy Fitzhardinge , Russell King , Hirokazu Takata , x86@kernel.org, "James E.J. Bottomley" , virtualization@lists.osdl.org, Ingo Molnar , Matt Turner , Fenghua Yu , user-mode-linux-devel@lists.sourceforge.net, Konrad Rzeszutek Wilk , Jeff Dike , Chris Metcalf , xen-devel@lists.xensource.com, Mikael Starvik , linux-m32r@ml.linux-m32r.org, Ivan Kokshaysky , user-mode-linux-user@lists.sourceforge.net, uclinux-dist-devel@blackfin.uclinux.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Richard Henderson , Tony Luck , linux-parisc@vger.kernel.org, linux-cris-kernel@axis.com, linux-am33-list@redhat.com, linux-kernel@vger.kernel.org, Ralf Baechle , Kyle McMartin , Paul Mundt , linux-alpha@vger.kernel.org, Martin Schwidefsky , linux390@de.ibm.com, Koichi Yasutake , linuxppc-dev@lists.ozlabs.org, "David S. Miller" List-ID: On Mon, 2011-01-17 at 14:49 -0500, Mike Frysinger wrote: > On Mon, Jan 17, 2011 at 06:07, Peter Zijlstra wrote: > > Also, while reading through all this, I noticed the blackfin SMP code > > looks to be broken, it simply discards any IPI when low on memory. > > not really. see changelog of commit 73a400646b8e26615f3ef1a0a4bc0cd0d5bd284c. Ah, indeed, it appears my tree was simply out of date, very good! _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id E48E1B712A for ; Tue, 18 Jan 2011 07:16:38 +1100 (EST) Subject: Re: [uclinux-dist-devel] [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() From: Peter Zijlstra To: Mike Frysinger In-Reply-To: References: <1295262433.30950.53.camel@laptop> Content-Type: text/plain; charset="UTF-8" Date: Mon, 17 Jan 2011 21:16:03 +0100 Message-ID: <1295295363.30950.318.camel@laptop> Mime-Version: 1.0 Cc: linux-m32r-ja@ml.linux-m32r.org, linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, "H. Peter Anvin" , Heiko Carstens , Paul Mackerras , Helge Deller , sparclinux@vger.kernel.org, Linux-Arch , linux-s390@vger.kernel.org, Jesper Nilsson , Jeremy Fitzhardinge , Russell King , Hirokazu Takata , x86@kernel.org, "James E.J. Bottomley" , virtualization@lists.osdl.org, Ingo Molnar , Matt Turner , Fenghua Yu , user-mode-linux-devel@lists.sourceforge.net, Konrad Rzeszutek Wilk , Jeff Dike , Chris Metcalf , xen-devel@lists.xensource.com, Mikael Starvik , linux-m32r@ml.linux-m32r.org, Ivan Kokshaysky , user-mode-linux-user@lists.sourceforge.net, uclinux-dist-devel@blackfin.uclinux.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Richard Henderson , Tony Luck , linux-parisc@vger.kernel.org, linux-cris-kernel@axis.com, linux-am33-list@redhat.com, linux-kernel@vger.kernel.org, Ralf Baechle , Kyle McMartin , Paul Mundt , linux-alpha@vger.kernel.org, Martin Schwidefsky , linux390@de.ibm.com, Koichi Yasutake , linuxppc-dev@lists.ozlabs.org, "David S. Miller" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 2011-01-17 at 14:49 -0500, Mike Frysinger wrote: > On Mon, Jan 17, 2011 at 06:07, Peter Zijlstra wrote: > > Also, while reading through all this, I noticed the blackfin SMP code > > looks to be broken, it simply discards any IPI when low on memory. >=20 > not really. see changelog of commit 73a400646b8e26615f3ef1a0a4bc0cd0d5bd= 284c. Ah, indeed, it appears my tree was simply out of date, very good! From mboxrd@z Thu Jan 1 00:00:00 1970 From: peterz@infradead.org (Peter Zijlstra) Date: Mon, 17 Jan 2011 21:16:03 +0100 Subject: [uclinux-dist-devel] [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() In-Reply-To: References: <1295262433.30950.53.camel@laptop> Message-ID: <1295295363.30950.318.camel@laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, 2011-01-17 at 14:49 -0500, Mike Frysinger wrote: > On Mon, Jan 17, 2011 at 06:07, Peter Zijlstra wrote: > > Also, while reading through all this, I noticed the blackfin SMP code > > looks to be broken, it simply discards any IPI when low on memory. > > not really. see changelog of commit 73a400646b8e26615f3ef1a0a4bc0cd0d5bd284c. Ah, indeed, it appears my tree was simply out of date, very good!