From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rusty Russell Subject: Re: [PATCH 1/2] virtio: console: Wake up outvq on host notifications Date: Mon, 31 Jan 2011 20:33:15 +1030 Message-ID: <201101312033.15623.rusty@rustcorp.com.au> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Amit Shah Cc: Hans de Goede , stable@kernel.org, Virtualization List List-Id: virtualization@lists.linuxfoundation.org On Mon, 31 Jan 2011 06:06:36 pm Amit Shah wrote: > The outvq needs to be woken up on host notifications so that buffers > consumed by the host can be reclaimed, outvq freed, and application > writes may proceed again. > > The need for this is now finally noticed when I have qemu patches ready > to use nonblocking IO and flow control. What about -stable? Thanks, Rusty.