From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55136) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aydtp-0003C0-2V for qemu-devel@nongnu.org; Fri, 06 May 2016 07:26:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aydtd-0000Ao-DV for qemu-devel@nongnu.org; Fri, 06 May 2016 07:26:19 -0400 Received: from mail-lf0-x233.google.com ([2a00:1450:4010:c07::233]:34177) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aydtc-0008Vv-3A for qemu-devel@nongnu.org; Fri, 06 May 2016 07:26:13 -0400 Received: by mail-lf0-x233.google.com with SMTP id m64so127735725lfd.1 for ; Fri, 06 May 2016 04:25:57 -0700 (PDT) References: <1459870344-16773-1-git-send-email-alex.bennee@linaro.org> <1459870344-16773-4-git-send-email-alex.bennee@linaro.org> From: Sergey Fedorov Message-ID: <572C7F3F.5040902@gmail.com> Date: Fri, 6 May 2016 14:25:51 +0300 MIME-Version: 1.0 In-Reply-To: <1459870344-16773-4-git-send-email-alex.bennee@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [RFC v2 03/11] docs: new design document multi-thread-tcg.txt (DRAFTING) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?Q?Alex_Benn=c3=a9e?= , mttcg@listserver.greensocs.com, fred.konrad@greensocs.com, a.rigo@virtualopensystems.com, cota@braap.org Cc: qemu-devel@nongnu.org, mark.burton@greensocs.com, pbonzini@redhat.com, jan.kiszka@siemens.com, rth@twiddle.net, peter.maydell@linaro.org, claudio.fontana@huawei.com On 05/04/16 18:32, Alex Bennée wrote: > This is a current DRAFT of a design proposal for upgrading TCG emulation > to take advantage of modern CPUs by running a thread-per-CPU. The > document goes through the various areas of the code affected by such a > change and proposes design requirements for each part of the solution. > > It has been written *without* explicit reference to the current ongoing > efforts to introduce this feature. The hope being we can review and > discuss the design choices without assuming the current choices taken by > the implementation are correct. > > Signed-off-by: Alex Bennée > > --- > v1 > - initial version > v2 > - update discussion on locks > - bit more detail on vCPU scheduling > - explicitly mention Translation Blocks > - emulated hardware state already covered by iomutex > - a few minor rewords We could also include a few words about icount mode support in MTTCG. Kind regards, Sergey