Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756268Ab3JNNnA (ORCPT ); Mon, 14 Oct 2013 09:43:00 -0400 Received: from merlin.infradead.org ([205.233.59.134]:56947 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750755Ab3JNNm7 (ORCPT ); Mon, 14 Oct 2013 09:42:59 -0400 Date: Mon, 14 Oct 2013 15:42:39 +0200 From: Peter Zijlstra To: Morten Rasmussen Cc: mingo@kernel.org, pjt@google.com, arjan@linux.intel.com, rjw@sisk.pl, dirk.j.brandewie@intel.com, vincent.guittot@linaro.org, alex.shi@linaro.org, preeti@linux.vnet.ibm.com, efault@gmx.de, corbet@lwn.net, tglx@linutronix.de, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org Subject: Re: [RFC][PATCH 2/7] sched: power: Power driver late callback interface Message-ID: <20131014134239.GD28601@twins.programming.kicks-ass.net> References: <1381511957-29776-1-git-send-email-morten.rasmussen@arm.com> <1381511957-29776-3-git-send-email-morten.rasmussen@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1381511957-29776-3-git-send-email-morten.rasmussen@arm.com> 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 Content-Length: 614 Lines: 12 On Fri, Oct 11, 2013 at 06:19:12PM +0100, Morten Rasmussen wrote: > Adds a late callback to the power driver interface which is called > with irq enabled and no locks held. The power driver may postpone > work that can't be done in schedule context (irq disabled and rq > locks held) and let the late callback handle it. What kind of things are we talking about here? -- 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/