From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ravikiran G Thirumalai Subject: Re: [patch 0/4] ide: Break ide_lock to per-hwgroup lock Date: Wed, 7 Sep 2005 12:27:47 -0700 Message-ID: <20050907192747.GC3769@localhost.localdomain> References: <20050906233322.GA3642@localhost.localdomain> <20050907091923.GE4785@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20050907091923.GE4785@suse.de> Sender: linux-kernel-owner@vger.kernel.org To: Jens Axboe Cc: Bartlomiej Zolnierkiewicz , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, "Shai Fultheim (Shai@scalex86.org)" , Alok Kataria List-Id: linux-ide@vger.kernel.org On Wed, Sep 07, 2005 at 11:19:24AM +0200, Jens Axboe wrote: > On Tue, Sep 06 2005, Ravikiran G Thirumalai wrote: > > The following patchset breaks down the global ide_lock to per-hwgroup lock. > > We have taken the following approach. > > Curious, what is the point of this? > On smp machines with multiple ide interfaces, we take per-group lock instead of a global lock, there by breaking the lock to per-irq hwgroups. Thanks, Kiran