From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 11 Jul 2007 19:28:29 -0700 (PDT) Message-Id: <20070711.192829.08323972.davem@davemloft.net> Subject: Re: lguest, Re: -mm merge plans for 2.6.23 From: David Miller In-Reply-To: <1184203311.6005.664.camel@localhost.localdomain> References: <20070710013152.ef2cd200.akpm@linux-foundation.org> <20070711122324.GA21714@lst.de> <1184203311.6005.664.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org From: Rusty Russell Date: Thu, 12 Jul 2007 11:21:51 +1000 Return-Path: To: rusty@rustcorp.com.au Cc: hch@lst.de, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: > To do inter-guest (ie. inter-process) I/O you really have to make sure > the other side doesn't go away. You should just let it exit and when it does you receive some kind of exit notification that resets your virtual device channel. I think the reference counting approach is error and deadlock prone. Be more loose and let the events reset the virtual devices when guests go splat. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org