From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: Re: [PATCH] xen/events/fifo: Consume unprocessed events when a CPU dies Date: Wed, 2 Dec 2015 13:53:08 +0000 Message-ID: <565EF7C4.1050201@citrix.com> References: <1434726957-929-1-git-send-email-ross.lagerwall@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1a47r1-0001h6-8Q for xen-devel@lists.xenproject.org; Wed, 02 Dec 2015 13:53:55 +0000 In-Reply-To: <1434726957-929-1-git-send-email-ross.lagerwall@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ross Lagerwall , xen-devel@lists.xenproject.org Cc: Boris Ostrovsky , David Vrabel List-Id: xen-devel@lists.xenproject.org On 19/06/15 16:15, Ross Lagerwall wrote: > When a CPU is offlined, there may be unprocessed events on a port for > that CPU. If the port is subsequently reused on a different CPU, it > could be in an unexpected state with the link bit set, resulting in > interrupts being missed. Fix this by consuming any unprocessed events > for a particular CPU when that CPU dies. Applied to for-linus-4.4, thanks. David