Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756001Ab2FWT1M (ORCPT ); Sat, 23 Jun 2012 15:27:12 -0400 Received: from one.firstfloor.org ([213.235.205.2]:37275 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755667Ab2FWT1K (ORCPT ); Sat, 23 Jun 2012 15:27:10 -0400 Date: Sat, 23 Jun 2012 21:27:04 +0200 From: Andi Kleen To: "H. Peter Anvin" Cc: Andi Kleen , "H.J. Lu" , LKML Subject: Re: PATCH] Use -mpreferred-stack-boundary=3 on x86-64 if supported Message-ID: <20120623192704.GT11413@one.firstfloor.org> References: <20120623161324.GS11413@one.firstfloor.org> <24bd04a1-1702-4d57-af64-af2381992789@email.android.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <24bd04a1-1702-4d57-af64-af2381992789@email.android.com> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 526 Lines: 17 On Sat, Jun 23, 2012 at 09:17:06AM -0700, H. Peter Anvin wrote: > To keep gcc from paddong the stack to maintain a nonexistent alignment. Ah ok. 3 instead of 4. I thought i had done that a long time ago, but now it somehow only seems to be there for 32bit. Makes sense. -Andi -- 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/