Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754165Ab3JBSy5 (ORCPT ); Wed, 2 Oct 2013 14:54:57 -0400 Received: from terminus.zytor.com ([198.137.202.10]:37112 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753694Ab3JBSy4 (ORCPT ); Wed, 2 Oct 2013 14:54:56 -0400 Message-ID: <524C6BCD.2000007@zytor.com> Date: Wed, 02 Oct 2013 11:54:05 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Frantisek Hrbata CC: linux-kernel@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, mingo@redhat.com, x86@kernel.org, oleg@redhat.com, kamaleshb@in.ibm.com, hechjie@cn.ibm.com, akpm@linux-foundation.org, dave.hansen@intel.com Subject: Re: [RESEND PATCH] x86: add phys addr validity check for /dev/mem mmap References: <20131002160514.GA25471@localhost.localdomain> <524C5BFB.5050501@zytor.com> <20131002183155.GA2975@localhost.localdomain> <524C6799.9060800@zytor.com> <20131002184803.GB2975@localhost.localdomain> In-Reply-To: <20131002184803.GB2975@localhost.localdomain> X-Enigmail-Version: 1.5.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 562 Lines: 17 On 10/02/2013 11:48 AM, Frantisek Hrbata wrote: > > Ok, I can try to look into this. I just want to point out that some other archs > like arm are doing it the same way. I simply replaced the generic check functions > in drivers/char/mem.c with x86 specific ones. > I know. It is a longstanding problem. -hpa -- 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/