Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752279AbbH0H76 (ORCPT ); Thu, 27 Aug 2015 03:59:58 -0400 Received: from mail-wi0-f176.google.com ([209.85.212.176]:35021 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751432AbbH0H74 (ORCPT ); Thu, 27 Aug 2015 03:59:56 -0400 Subject: Re: [PATCH 3.12 49/82] xen/gntdevt: Fix race condition in gntdev_release() To: =?UTF-8?Q?Marek_Marczykowski-G=c3=b3recki?= References: <20150825113559.GD14096@ares> <20150825115211.GB1345@mail-itl> <55DC6B19.10001@suse.cz> <20150825140853.GC1345@mail-itl> Cc: Luis Henriques , stable@vger.kernel.org, linux-kernel@vger.kernel.org, David Vrabel , Greg Kroah-Hartman From: Jiri Slaby Message-ID: <55DEC379.9070806@suse.cz> Date: Thu, 27 Aug 2015 09:59:53 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <20150825140853.GC1345@mail-itl> 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: 1484 Lines: 40 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 08/25/2015, 04:08 PM, Marek Marczykowski-Górecki wrote: >> Hmm, but e.g. gntdev_put_map -> gntdev_free_map -> >> free_xenballooned_pages -> mutex_lock >> >> means sleep inside atomic, right? > > Indeed, you're probably right. But I haven't hit that problem > ever... Ok, so I dropped 30b03d05e07467b8c6ec683ea96b5bffcbcd3931 from 3.12. thanks, - -- js suse labs -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJV3sN2AAoJEL0lsQQGtHBJkIAP/Regy1kPHkB8dlHejk9IF+pO 8AG2VfeeDq9XTX94mb02AApgZbD+/0yLegCKoidaEpgjUNxpxcocrYo0K7dJQnAM ThYsuhaXVp1H13nOt7a3IpXtz1290qpYe+t6es9uA5Dp/HW7Stv4vI82lN1B9S1l FphFXt1GiHEr6hSF6YkQgRo9b0//hmY/pYbakkB7gwxUmelvBpNoOdqukTpOSKZ9 3asF2cpxQ2kHY3EoFTM16PbUlyH91FF8j/F/AChYQfOaM7ikChIfMKz0bXIbR/FH esmP5IDkEdA01M1irtUjjzdtBSAOBM/9Ii2YhxAE4rPk/MV0fi5Lg8G4iBDLF4Fu +/80G2UsYmR17AD/LIZ/ohSaO3Z9tXTZrJjPrqPAetZcieXBSast5r5LldN4WiHG DilbDNU6zVgk2OHG1cJwVR8xvXTohwXveY4vrEPLLZWyyBYEh1ABBf0/NBgQvbKY JqooOFU3Z1mPNRBko+IbIM9VaZtx9WLgR4QUwsoZVS8ItHIqZGnHxkEhMn8arjl1 K++xL/v2YK2iwCyyqR83tTBsFEg3DFFI4M0MTAh+LyZkW5/weHlVDwlCV6qdkOvW JMJgdivgrHl2K1CGYIjXW8aOtKYq1GSI398JQPfFOlsX37wNiBrB3xODq2Eph7nS 3k7uCgwbeyj3coICr8Tm =OuQx -----END PGP SIGNATURE----- -- 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/