Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933861AbXK2WgP (ORCPT ); Thu, 29 Nov 2007 17:36:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759895AbXK2Wf4 (ORCPT ); Thu, 29 Nov 2007 17:35:56 -0500 Received: from smtp2.linux-foundation.org ([207.189.120.14]:45195 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754965AbXK2Wfz (ORCPT ); Thu, 29 Nov 2007 17:35:55 -0500 Date: Thu, 29 Nov 2007 14:34:52 -0800 (PST) From: Linus Torvalds To: Roland McGrath cc: Chuck Ebbert , Andrew Morton , linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Subject: Re: [PATCH x86/mm 6/6] x86-64 ia32 ptrace get/putreg32 current task In-Reply-To: <20071129222531.EFEA826F8E7@magilla.localdomain> Message-ID: References: <20071129003849.428E026F8E7@magilla.localdomain> <20071129004222.E49AD26F8E7@magilla.localdomain> <474EF824.3020806@redhat.com> <20071129222531.EFEA826F8E7@magilla.localdomain> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 664 Lines: 18 On Thu, 29 Nov 2007, Roland McGrath wrote: > > Um, really? This is x86-64 code. AIUI those values don't have any effect > at all in 64-bit mode (as the kernel is). I haven't found any code in > entry_64.S or ia32entry.S that touches them. __switch_to uses direct > access to the segment registers just as I've done. Yes, you're right, I just looked at the ia32 part and didn't read your patches right. Linus - 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/