From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH] kvm: First step to push iothread lock out of inner run loop Date: Sun, 24 Jun 2012 17:35:11 +0300 Message-ID: <4FE7259F.4030100@redhat.com> References: <4FE4F56D.1020201@web.de> <4FE4F7F5.7030400@web.de> <20120623002259.GA13440@amt.cnet> <20120623090646.GA21908@amt.cnet> <4FE5AC75.1020504@web.de> <4FE71F71.7030908@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Liu Ping Fan , kvm , qemu-devel , Marcelo Tosatti , Alexander Graf , liu ping fan , Anthony Liguori To: Jan Kiszka Return-path: In-Reply-To: <4FE71F71.7030908@web.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org On 06/24/2012 05:08 PM, Jan Kiszka wrote: > As a first step, I will post a series later that gets rid of > kvm_flush_coalesced_mmio_buffer in the common vmexit path. If you defer this, I can think of two places that need to flush: - anything that accesses those memory areas (such as DMA to the framebuffer, or updating the display) - anything that modifies the memory map and possibly changes flushed addresses -- error compiling committee.c: too many arguments to function