From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 2/2] KVM: make guest mode entry to be rcu quiescent state Date: Wed, 11 May 2011 12:57:59 +0300 Message-ID: <4DCA5DA7.9010201@redhat.com> References: <1304515864-17105-1-git-send-email-gleb@redhat.com> <1304515864-17105-3-git-send-email-gleb@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, mtosatti@redhat.com, kvm@vger.kernel.org, paulmck@linux.vnet.ibm.com To: Gleb Natapov Return-path: In-Reply-To: <1304515864-17105-3-git-send-email-gleb@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 05/04/2011 04:31 PM, Gleb Natapov wrote: > KVM does not hold any references to rcu protected data when it switches > CPU into a guest mode. In fact switching to a guest mode is very similar > to exiting to userspase from rcu point of view. In addition CPU may stay > in a guest mode for quite a long time (up to one time slice). Lets treat > guest mode as quiescent state, just like we do with user-mode execution. Applied, thanks. -- error compiling committee.c: too many arguments to function