From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from caramon.arm.linux.org.uk (caramon.arm.linux.org.uk [78.32.30.218]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 5D276B7043 for ; Mon, 17 Jan 2011 23:00:41 +1100 (EST) Date: Mon, 17 Jan 2011 11:57:48 +0000 From: Russell King - ARM Linux To: Peter Zijlstra Subject: Re: [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() Message-ID: <20110117115748.GA20615@n2100.arm.linux.org.uk> References: <1295262433.30950.53.camel@laptop> <20110117112637.GA18599@n2100.arm.linux.org.uk> <1295263884.30950.54.camel@laptop> <1295264509.30950.59.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1295264509.30950.59.camel@laptop> Sender: Russell King - ARM Linux Cc: 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 , Hirokazu Takata , x86@kernel.org, "James E.J. Bottomley" , virtualization@lists.osdl.org, Ingo Molnar , Matt Turner , Fenghua Yu , Mike Frysinger , user-mode-linux-devel@lists.sourceforge.net, Konrad Rzeszutek Wilk , Jeff Dike , Chris Metcalf , Mikael Starvik , xen-devel@lists.xensource.com, Ivan Kokshaysky , user-mode-linux-user@lists.sourceforge.net, uclinux-dist-devel@blackfin.uclinux.org, Thomas Gleixner , Richard Henderson , Tony Luck , linux-parisc@vger.kernel.org, linux-cris-kernel@axis.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, Jan 17, 2011 at 12:41:49PM +0100, Peter Zijlstra wrote: > =================================================================== > --- linux-2.6.orig/arch/arm/kernel/smp.c > +++ linux-2.6/arch/arm/kernel/smp.c > @@ -575,10 +575,7 @@ asmlinkage void __exception do_IPI(struc > break; > > case IPI_RESCHEDULE: > - /* > - * nothing more to do - eveything is > - * done on the interrupt return path > - */ > + scheduler_ipi(); > break; > > case IPI_CALL_FUNC: Acked-by: Russell King