From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47933) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XDIcU-0002ZF-SM for qemu-devel@nongnu.org; Fri, 01 Aug 2014 15:36:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XDIcP-0004kH-J8 for qemu-devel@nongnu.org; Fri, 01 Aug 2014 15:36:02 -0400 Received: from mail-qg0-x232.google.com ([2607:f8b0:400d:c04::232]:34513) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XDIcP-0004kB-3m for qemu-devel@nongnu.org; Fri, 01 Aug 2014 15:35:57 -0400 Received: by mail-qg0-f50.google.com with SMTP id q108so6392424qgd.9 for ; Fri, 01 Aug 2014 12:35:56 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <53DBEC17.9040009@redhat.com> Date: Fri, 01 Aug 2014 21:35:51 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1406733627-24255-1-git-send-email-alex.bennee@linaro.org> In-Reply-To: <1406733627-24255-1-git-send-email-alex.bennee@linaro.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH v2 0/5] AArch64 TLB performance improvements List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?ISO-8859-1?Q?Alex_Benn=E9e?= , qemu-devel@nongnu.org Cc: peter.maydell@linaro.org Il 30/07/2014 17:20, Alex Bennée ha scritto: > Hi, > > Not too much has changed: > > * added a review tag > * fixed up review comments > * added some notes about benchmark results > * added a patch to disable ARMv5 in AArch64 build > > The most important thing is I've measured a 25-30% improvement in > kernel and android boot time. > > Alex Bennée (5): > target-arm: don't hardcode mask values in arm_cpu_handle_mmu_fault > target-arm: A64: fix TLB flush instructions > target-arm: A64: fix use 12 bit page tables for AArch64 > scripts/make_device_config.sh: inline includes > target-arm: A64: disable a bunch of ARMv5 machines > > default-configs/aarch64-softmmu.mak | 5 ++++- > default-configs/arm-softmmu.mak | 1 + > hw/arm/Makefile.objs | 19 ++++++++++++++---- > hw/arm/realview.c | 6 ++++++ > scripts/make_device_config.sh | 39 ++++++++++++++++++++++--------------- > target-arm/cpu.c | 36 +++++++++++++++++++++------------- > target-arm/cpu.h | 13 ++++++++++--- > target-arm/helper.c | 14 +++++++++---- > 8 files changed, 92 insertions(+), 41 deletions(-) > Hi Alex, have you seen this patch? Perhaps you're interested in reviving it. http://article.gmane.org/gmane.comp.emulators.qemu/253864 Paolo