Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754213Ab0H3Afz (ORCPT ); Sun, 29 Aug 2010 20:35:55 -0400 Received: from mail-vw0-f46.google.com ([209.85.212.46]:51804 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753590Ab0H3Afy convert rfc822-to-8bit (ORCPT ); Sun, 29 Aug 2010 20:35:54 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=CNTnTID68MvoAdkzZsdM5Vf3yk7DtRfqwti+R+SsgOxYcY2/Z0k/z6ErK2WkdDtF9m o5tcdCVceGoI7JOJ8m8EX3mtC3RB38XtjesLUn7T5a7+r+IozoN+8ZJ6g4UO8Esr/OzO 0GvlRTfnFkiNDYNnTjDS/PojAJNnCFv1TUM9Q= MIME-Version: 1.0 In-Reply-To: References: <1283011478-27237-1-git-send-email-brgerst@gmail.com> <1283011478-27237-4-git-send-email-brgerst@gmail.com> Date: Sun, 29 Aug 2010 20:35:52 -0400 Message-ID: Subject: Re: [PATCH 03/11] x86: Merge tolerant_fwait() From: Brian Gerst To: Pekka Enberg Cc: hpa@zytor.com, x86@kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 937 Lines: 23 On Sun, Aug 29, 2010 at 2:32 PM, Pekka Enberg wrote: > On Sat, Aug 28, 2010 at 7:04 PM, Brian Gerst wrote: >> Now that 32-bit can handle exceptions from the kernel, switch to using >> the 64-bit version of tolerant_fwait() without fnclex.  In the unlikely >> event an exception is triggered, it is simply ignored. >> >> Signed-off-by: Brian Gerst > > Why is 32-bit able to handle exceptions? Is that part of this series > or is it some existing commit in tip or linus? > Commit e2e75c915de045f0785387dc32f55e92fab0614c merged the 32-bit and 64-bit math exception handlers into one, which calls fixup_exception(). -- Brian Gerst -- 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/