Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 1 Nov 2002 08:40:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 1 Nov 2002 08:40:38 -0500 Received: from dbl.q-ag.de ([80.146.160.66]:41934 "EHLO dbl.q-ag.de") by vger.kernel.org with ESMTP id ; Fri, 1 Nov 2002 08:40:36 -0500 Message-ID: <3DC285D4.2040305@colorfullife.com> Date: Fri, 01 Nov 2002 14:47:00 +0100 From: Manfred Spraul User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.9) Gecko/20020408 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Arnd Bergmann CC: linux-kernel@vger.kernel.org Subject: Re: might_sleep() in copy_{from,to}_user and friends? Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 685 Lines: 21 Arnd wrote: > I have been looking for more places in 2.5 that can be marked > might_sleep() and noticed that all the functions in asm/uaccess.h > are not marked although they sleep if the memory they access > has to be paged in. > Good idea. There is some abuse of __get_user to identify bad pointers: show_registers in the oops codepath, mm/slab.c in the /proc/slabinfo code. Could you omit the test from the __ versions? -- Manfred - 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/