From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: [PATCH 0 of 2] Scheduler: Implement yield for credit scheduler Date: Mon, 9 Aug 2010 12:20:49 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com Cc: george.dunlap@eu.citrix.com List-Id: xen-devel@lists.xenproject.org As discussed in a previous e-mail, this patch series implements yield for the credit scheduler. This allows a VM to actually yield (give up the cpu to another VM) when it wants to. This has been shown to be effective when used in the spinlock code to avoid wasting time spinning when another vcpu is not currently scheduled.