Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751257AbWKBVk4 (ORCPT ); Thu, 2 Nov 2006 16:40:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752650AbWKBVk4 (ORCPT ); Thu, 2 Nov 2006 16:40:56 -0500 Received: from e4.ny.us.ibm.com ([32.97.182.144]:41635 "EHLO e4.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1751257AbWKBVk4 (ORCPT ); Thu, 2 Nov 2006 16:40:56 -0500 Date: Fri, 3 Nov 2006 03:10:34 +0530 From: Dipankar Sarma To: Linus Torvalds Cc: Andrew Morton , Dave Jones , Linux Kernel , Gautham Shenoy Subject: Re: Remove hotplug cpu crap from cpufreq. Message-ID: <20061102214034.GB3407@in.ibm.com> Reply-To: dipankar@in.ibm.com References: <20061101225925.GA17363@redhat.com> <20061101161723.f132d208.akpm@osdl.org> <20061102190450.GB23489@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 816 Lines: 23 On Thu, Nov 02, 2006 at 11:30:20AM -0800, Linus Torvalds wrote: > > > On Fri, 3 Nov 2006, Dipankar Sarma wrote: > > > > IMO, the right thing to do would be to convert lock_cpu_hotplug() to > > a get_cpu_hotplug()/put_cpu_hotplug() type semantics and use a more > > scalable implementation underneath (as opposed to a global > > semaphore/mutex). > > Yes, I think Gautham's patch-series basically did exactly that, no? Except > it kept the old name. Yes, atleast that is the idea - turn it into a scalable refcount model as opposed to a global lock. Thanks Dipankar - 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/