From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754035Ab1BPBS1 (ORCPT ); Tue, 15 Feb 2011 20:18:27 -0500 Received: from kroah.org ([198.145.64.141]:45329 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932903Ab1BPAsU (ORCPT ); Tue, 15 Feb 2011 19:48:20 -0500 X-Mailbox-Line: From gregkh@clark.kroah.org Tue Feb 15 16:21:03 2011 Message-Id: <20110216002103.042290566@clark.kroah.org> User-Agent: quilt/0.48-11.2 Date: Tue, 15 Feb 2011 16:20:07 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org Cc: stable-review@kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Hank Janssen , Haiyang Zhang , =?ISO-8859-15?q?Timo=20Ter=C3=A4s?= Subject: [patch 039/176] staging: hv: fix netvsc sleeping while atomic In-Reply-To: <20110216002212.GA9246@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.36-stable review patch. If anyone has any objections, please let us know. ------------------ From: =?UTF-8?q?Timo=20Ter=C3=A4s?= commit d70c673153d42e8aefd5ac296c8159ef222d076b upstream. The channel callbacks are called directly from vmbus_event_dpc which runs in tasklet context. These callbacks need to use GFP_ATOMIC. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16701 Cc: Hank Janssen Cc: Haiyang Zhang Signed-off-by: Timo Teräs Signed-off-by: Greg Kroah-Hartman --- drivers/staging/hv/netvsc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/staging/hv/netvsc.c +++ b/drivers/staging/hv/netvsc.c @@ -1250,7 +1250,7 @@ static void NetVscOnChannelCallback(void /* ASSERT(device); */ packet = kzalloc(NETVSC_PACKET_SIZE * sizeof(unsigned char), - GFP_KERNEL); + GFP_ATOMIC); if (!packet) return; buffer = packet;