From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 0/5] Split the emulator: decode & execute Date: Fri, 14 Sep 2007 19:57:59 +0300 Message-ID: <46EABD97.5060503@qumranet.com> References: <46D5A151.80000@bull.net> <46E3E3D4.1050206@qumranet.com> <46EAB36E.2060004@bull.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel To: Laurent Vivier Return-path: In-Reply-To: <46EAB36E.2060004-6ktuUTfB/bM@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Laurent Vivier wrote: > Avi Kivity wrote: > >> Laurent Vivier wrote: >> >>> These patches split the emulator in two parts: one to decode the >>> instruction, >>> the other to execute it. The decode part is then called only when needed. >>> >>> >>> >> Patchset looks good, but fails booting FC6 x86-64 on Intel. It may be a >> merge error (did not apply cleanly due to other changes). I pushed this >> as a 'split-emulator' branch on the kvm.git repository. >> >> > > I think I found the bug (not a merge error...): I just supposed that an > instruction fetch cannot failed. > > Interesting. I don't see how an instruction fetch can fail on uniprocessor. Can you give details of the failure? Instruction fetches can fail on SMP so a fix is certainly needed. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/