From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756995Ab1DGWsg (ORCPT ); Thu, 7 Apr 2011 18:48:36 -0400 Received: from cantor2.suse.de ([195.135.220.15]:36438 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756293Ab1DGWsf (ORCPT ); Thu, 7 Apr 2011 18:48:35 -0400 Date: Thu, 7 Apr 2011 15:46:29 -0700 From: Greg KH To: Haiyang Zhang Cc: hjanssen@microsoft.com, kys@microsoft.com, v-abkane@microsoft.com, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, virtualization@lists.osdl.org, Olaf Hering , stable Subject: Re: [PATCH] staging: hv: use sync_bitops when interacting with the hypervisor Message-ID: <20110407224629.GA28700@suse.de> References: <1302216598-686-1-git-send-email-haiyangz@microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1302216598-686-1-git-send-email-haiyangz@microsoft.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 07, 2011 at 03:49:58PM -0700, Haiyang Zhang wrote: > From: Olaf Hering > > Locking is required when tweaking bits located in a shared page, use the > sync_ version of bitops. Without this change vmbus_on_event() will miss > events and as a result, vmbus_isr() will not schedule the receive tasklet. > > Backported to 2.6.32 stable kernel by Haiyang Zhang Thanks for the backport, now queued up. greg k-h