From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from caramon.arm.linux.org.uk ([78.32.30.218]:38788 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752305Ab0FUWb6 (ORCPT ); Mon, 21 Jun 2010 18:31:58 -0400 Date: Mon, 21 Jun 2010 23:31:46 +0100 From: Russell King - ARM Linux Subject: Re: [RFC PATCH] smp: parallel smp boot option Message-ID: <20100621223146.GE13624@n2100.arm.linux.org.uk> References: <1277156422-9130-1-git-send-email-dwalker@codeaurora.org> <20100621220030.GC13624@n2100.arm.linux.org.uk> <1277158949.17092.61.camel@c-dwalke-linux.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1277158949.17092.61.camel@c-dwalke-linux.qualcomm.com> Sender: linux-arm-msm-owner@vger.kernel.org List-ID: To: Daniel Walker Cc: linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, Steve Muckle On Mon, Jun 21, 2010 at 03:22:29PM -0700, Daniel Walker wrote: > On Mon, 2010-06-21 at 23:00 +0100, Russell King - ARM Linux wrote: > > On Mon, Jun 21, 2010 at 02:40:22PM -0700, Daniel Walker wrote: > > > +#ifdef CONFIG_SMP_PARALLEL_START > > > + bl __smp_secondary_spin > > > +#endif > > > > Your OK with this hook? I was thinking it might be better to check if > it's the book cpu or the secondary here instead of in > arch/arm/mach-msm . Not entirely. It would appear that it means you can never used a compressed kernel on MSM, since if you do, you'll have all CPUs in the system decompressing the kernel simultaneously. If we have to have this hook, how about making it a weak reference rather than something dealt with by the configuration system?