From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [RFC][PATCH 1/3] PM: Asynchronous resume of devices Date: Sat, 22 Aug 2009 11:24:30 +0200 Message-ID: <20090822092429.GC11448@elf.ucw.cz> References: <200908122218.13975.rjw@sisk.pl> <200908122220.03363.rjw@sisk.pl> <20090814163328.GF1626@ucw.cz> <200908152259.18417.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <200908152259.18417.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org To: "Rafael J. Wysocki" Cc: linux-pm , linux-acpi , Linux Kernel Mailing List , Zhang Rui , Len Brown , Alan Stern , Arjan van de Ven List-Id: linux-acpi@vger.kernel.org Hi! > > Do we really need async for noirq handlers? > > Yes, we do. Specifically, for PCI. Do noirq parts of PCI handling really so long that we need to make them async? Async in normal paths looks pretty much okay to me, but in noirq parts, locking is tricky, etc... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html