From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: [PATCH RFC V5 00/11] Paravirtualized ticketlocks Date: Thu, 13 Oct 2011 00:03:00 -0700 Message-ID: <4E968D24.8040509@goop.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: James Harper Cc: Xen Devel List-Id: xen-devel@lists.xenproject.org On 10/12/2011 07:50 PM, James Harper wrote: >> Thoughts? Comments? Suggestions? >> > I am lead to believe that Hyper-V guests provide some sort of spinlock > notification (a commit to KVM seems to suggest it). Has that been > considered at all here, if such notification can be exposed to Xen? > Yes, that's basically what this series is about: a mechanism for Linux to tell Xen "I'm stuck in a spinlock". J