From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [PATCH v2 0/3] Move ARCH specific fpu_counter out of task_struct Date: Tue, 8 Oct 2013 13:14:30 -0700 Message-ID: <20131008131430.f7f46ec85a6bf4e2d95819a6@linux-foundation.org> References: <1381218389-16585-1-git-send-email-vgupta@synopsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from mail.linuxfoundation.org ([140.211.169.12]:44082 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754090Ab3JHUOb (ORCPT ); Tue, 8 Oct 2013 16:14:31 -0400 In-Reply-To: <1381218389-16585-1-git-send-email-vgupta@synopsys.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Vineet Gupta Cc: Ingo Molnar , Peter Zijlstra , Paul Mundt , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org On Tue, 8 Oct 2013 13:16:26 +0530 Vineet Gupta wrote: > When debugging a ARC SMP 3.11 build failure due to a ST insn dealing with > task_struct.thread going out of range, I spotted @fpu_counter in task_struct > which only SH/x86 happen to use, and can be easily moved out into corresponding > ARCH specific thread_struct. This saves 4 bytes per task_struct instantiated, > for all the other 18 arches. > > While the change is relatively strightforward, I've failed to connect with > SH arch folks / Paul Mundt, latter's SH email keeps bouncing back. > Hence I'm taking the liberty to use his alternate email (as listed on his > github page) and I appologize in advance if this causes any inconvenience. I can't find [patch v2 2/3] anywhere. Resend, please?