Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753183Ab3HVMSc (ORCPT ); Thu, 22 Aug 2013 08:18:32 -0400 Received: from relay.parallels.com ([195.214.232.42]:35457 "EHLO relay.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752901Ab3HVMSb (ORCPT ); Thu, 22 Aug 2013 08:18:31 -0400 Message-ID: <5216018D.7000509@parallels.com> Date: Thu, 22 Aug 2013 16:18:21 +0400 From: Pavel Emelyanov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120605 Thunderbird/13.0 MIME-Version: 1.0 To: Jan Beulich , Cyrill Gorcunov CC: Andy Lutomirski , David Vrabel , Andrew Morton , Linus Torvalds , , Boris Ostrovsky , Konrad Rzeszutek Wilk , Ingo Molnar , "linux-kernel@vger.kernel.org" , "H. Peter Anvin" Subject: Re: Regression: x86/mm: new _PTE_SWP_SOFT_DIRTY bit conflicts with existing use References: <5214C524.1050900@citrix.com> <20130821141223.GS18673@moon> <5214F09002000078000ED5C3@nat28.tlf.novell.com> <20130821154238.GV18673@moon> <521500E102000078000ED65C@nat28.tlf.novell.com> <20130821161946.GW18673@moon> <5215D23A02000078000ED7FC@nat28.tlf.novell.com> <20130822070305.GH18673@moon> <5215D99102000078000ED838@nat28.tlf.novell.com> <20130822112727.GL18673@moon> <5216134502000078000EDA3D@nat28.tlf.novell.com> In-Reply-To: <5216134502000078000EDA3D@nat28.tlf.novell.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.30.16.114] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 792 Lines: 22 On 08/22/2013 03:33 PM, Jan Beulich wrote: >> From: Cyrill Gorcunov >> Subject: [PATCH] mm: Make sure _PAGE_SWP_SOFT_DIRTY bit is not set on >> present pte >> >> _PAGE_SOFT_DIRTY bit should never be set on present pte so add >> VM_BUG_ON to catch any potential future abuse. >> >> Also add a comment on _PAGE_SWP_SOFT_DIRTY definition explaining >> scope of its usage. >> >> Signed-off-by: Cyrill Gorcunov > > Acked-by: Jan Beulich Acked-by: Pavel Emelyanov -- 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/