Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761317AbZASO4a (ORCPT ); Mon, 19 Jan 2009 09:56:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760180AbZASOzO (ORCPT ); Mon, 19 Jan 2009 09:55:14 -0500 Received: from fg-out-1718.google.com ([72.14.220.156]:14624 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760988AbZASOzL (ORCPT ); Mon, 19 Jan 2009 09:55:11 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=omv0CIau6X3782byXjl8Ho+ihfNzQ/RlgjigHw+PH2Kdv3j9Dv7x4hD+iY/lR7IDg/ HhC+secn0TnBHHVa1fjJMbyC6Uy+MhwSsZFMrAY0PF912RkwL47+SxyYRH/0cbgDEQuz 04M2qn2/UwfPmhzsrSd3Xg5Lt17e6akVPW8/Q= MIME-Version: 1.0 In-Reply-To: References: Date: Mon, 19 Jan 2009 15:55:09 +0100 X-Google-Sender-Auth: 271fd1bae7c431ba Message-ID: Subject: Re: [PATCH] x86: vm86: fix preemption bug From: Michal Suchanek To: Thomas Gleixner Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Alexander van Heukelum , "H. Peter Anvin" , Ingo Molnar Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 717 Lines: 21 On 13/01/2009, Thomas Gleixner wrote: > Impact: fix scheduling while atomic bug > > commit 3d2a71a596bd9c761c8487a2178e95f8a61da083 (x86, traps: converge > do_debug handlers) changed the preemption disable logic of do_debug() > so vm86_handle_trap() is called with preemption disabled resulting in: > The patch seems to fix the the problem for me. However, the patch does not apply automatically neither to 2.6.28 nor 2.6.29-rc1. Thanks Michal -- 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/