From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id B8F492C007B for ; Fri, 14 Sep 2012 08:11:49 +1000 (EST) Message-ID: <1347574295.2276.34.camel@pasglop> Subject: Re: [PATCH] powerpc/smp: Do not disable IPI interrupts during suspend From: Benjamin Herrenschmidt To: Kumar Gala Date: Fri, 14 Sep 2012 08:11:35 +1000 In-Reply-To: <287921FF-96B1-4BBC-B9F9-3F8D24244061@kernel.crashing.org> References: <1342788421-27648-1-git-send-email-chenhui.zhao@freescale.com> <5028672F-1873-4E45-AA23-4CA9F191BE77@kernel.crashing.org> <1343427631.21647.1.camel@pasglop> <20120802100418.GA13777@localhost.localdomain> <1C2FF4B5-3F3C-4A9D-941D-A4BC4F5C95DE@kernel.crashing.org> <287921FF-96B1-4BBC-B9F9-3F8D24244061@kernel.crashing.org> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Cc: "linuxppc-dev@lists.ozlabs.org list" , Zhao Chenhui , "linux-kernel@vger.kernel.org list" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 2012-09-13 at 13:16 -0500, Kumar Gala wrote: > >> Yes, we disabled all non-boot CPUs on suspend by calling > disable_nonboot_cpus(). > >> The disable_nonboot_cpus() needs IPIs to work. But prior to > >> calling disable_nonboot_cpus(), the IPIs are disabled in > dpm_suspend_noirq(). Sure, no biggie on this one, forgot to ack it, just stick my ack in and put it in your tree. Cheers, Ben.