From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralf Baechle Subject: Re: [PATCH 8/10] mips: convert to generic helpers for IPI function calls Date: Thu, 29 May 2008 15:20:54 +0100 Message-ID: <20080529142054.GA8320@linux-mips.org> References: <1212051504-12561-1-git-send-email-jens.axboe@oracle.com> <1212051504-12561-9-git-send-email-jens.axboe@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from oss.sgi.com ([192.48.170.157]:58763 "EHLO oss.sgi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751368AbYE2OZF (ORCPT ); Thu, 29 May 2008 10:25:05 -0400 Content-Disposition: inline In-Reply-To: <1212051504-12561-9-git-send-email-jens.axboe@oracle.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Jens Axboe Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, npiggin@suse.de, linux-arch@vger.kernel.org, jeremy@goop.org, mingo@elte.hu, paulmck@linux.vnet.ibm.com On Thu, May 29, 2008 at 10:58:22AM +0200, Jens Axboe wrote: > This converts mips to use the new helpers for smp_call_function() and > friends, and adds support for smp_call_function_single(). Not tested, > but it compiles. > > mips shares the same IPI for smp_call_function() and > smp_call_function_single(), since not all hardware has enough available > IPIs available to support seperate setups. FYI, the comment isn't quite accurate. The machanisms for IPIs on MIPS are platform-specific. The change which I recently objected to was specific to a code model called VSMP. Raf