From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH v3 2/7] memory: Flush coalesced MMIO on selected region access Date: Sun, 19 Aug 2012 12:46:14 +0300 Message-ID: <5030B5E6.2050409@redhat.com> References: <35d20ce2ae928e21ff715c86f854860d164ff8c9.1340814444.git.jan.kiszka@siemens.com> <4FEC814C.9040808@redhat.com> <4FEDD9E7.9040702@siemens.com> <4FF164B4.50306@redhat.com> <4FFC06F2.2010105@siemens.com> <502E2322.3070802@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Anthony Liguori , Liu Ping Fan , qemu-devel , kvm , Marcelo Tosatti To: Jan Kiszka Return-path: In-Reply-To: <502E2322.3070802@siemens.com> 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 08/17/2012 01:55 PM, Jan Kiszka wrote: > On 2012-07-10 12:41, Jan Kiszka wrote: >> On 2012-07-02 11:07, Avi Kivity wrote: >>> On 06/29/2012 07:37 PM, Jan Kiszka wrote: >>>> Instead of flushing pending coalesced MMIO requests on every vmexit, >>>> this provides a mechanism to selectively flush when memory regions >>>> related to the coalesced one are accessed. This first of all includes >>>> the coalesced region itself but can also applied to other regions, e.g. >>>> of the same device, by calling memory_region_set_flush_coalesced. >>> >>> Looks fine. >>> >>> I have a hard time deciding whether this should go through the kvm tree >>> or memory tree. Anthony, perhaps you can commit it directly to avoid >>> the livelock? >>> >>> Reviewed-by: Avi Kivity >>> >> >> Anthony, ping? > > Argh, missed that this series was forgotten. Patch 1 is a bug fix, will > resend it separately so that it can make it into 1.2. Will repost the > rest once master reopens. My fault, I should have just taken it into memory/core and sent a pull request. Sorry about that. -- error compiling committee.c: too many arguments to function