From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755286Ab1JAJfy (ORCPT ); Sat, 1 Oct 2011 05:35:54 -0400 Received: from arkanian.console-pimps.org ([212.110.184.194]:48245 "EHLO arkanian.console-pimps.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755143Ab1JAJft (ORCPT ); Sat, 1 Oct 2011 05:35:49 -0400 Subject: Re: [RFC][PATCH 0/5] Signal scalability series From: Matt Fleming To: Andi Kleen Cc: Oleg Nesterov , Tejun Heo , linux-kernel@vger.kernel.org, Tony Luck , Thomas Gleixner , Peter Zijlstra , David Mosberger-Tang In-Reply-To: References: <1317395577-14091-1-git-send-email-matt@console-pimps.org> Content-Type: text/plain; charset="UTF-8" Date: Sat, 01 Oct 2011 10:35:38 +0100 Message-ID: <1317461738.3375.46.camel@mfleming-mobl1.ger.corp.intel.com> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 (2.32.2-1.fc14) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2011-09-30 at 15:30 -0700, Andi Kleen wrote: > Matt Fleming writes: > > > > And just like last time, these patches break ia64 because it > > implements rt_sigprocmask() in assembly. I'll work on the ia64 stuff > > while these patches are being reviewed. > > Since we don't want to tie everyone changing signals in the future to > learning IA64 assembler, maybe the best approach would be simply to > change that function to just use the syscall. It can't be that > performance critical and everyone else has it as a syscall too. > > I think that would be the best solution for long term maintainability. You and me both. Unfortunately, the ia64 guys had a different opinion, http://www.spinics.net/lists/linux-ia64/msg08363.html -- Matt Fleming, Intel Open Source Technology Center