Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753495AbaBCSWo (ORCPT ); Mon, 3 Feb 2014 13:22:44 -0500 Received: from mail-vb0-f42.google.com ([209.85.212.42]:50811 "EHLO mail-vb0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753708AbaBCSWn (ORCPT ); Mon, 3 Feb 2014 13:22:43 -0500 MIME-Version: 1.0 In-Reply-To: <20140124163548.GH31040@mudshark.cambridge.arm.com> References: <1390399879-5109-1-git-send-email-jean.pihet@linaro.org> <20140124163548.GH31040@mudshark.cambridge.arm.com> Date: Mon, 3 Feb 2014 19:22:42 +0100 Message-ID: Subject: Re: [PATCH v5 0/4] perf: AARCH64 arch support From: Jean Pihet To: Will Deacon , Arnaldo Cc: "linux-kernel@vger.kernel.org" , "linaro-kernel@lists.linaro.org" , "linux-arm-kernel@lists.infradead.org" , Ingo Molnar , Jiri Olsa , "patches@linaro.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Will, Arnaldo, On 24 January 2014 17:35, Will Deacon wrote: > Hi Jean, > > On Wed, Jan 22, 2014 at 02:11:15PM +0000, Jean Pihet wrote: >> Add AARCH64 specific support. This includes the following: >> - AARCH64 perf registers definition and hooks, >> - compat mode registers use, i.e. profiling a 32-bit binary on >> a 64-bit system, >> - unwinding using the dwarf information from the .debug_frame >> section of the ELF binary, >> - unwinding using the frame pointer information; in 64-bit and >> compat modes. >> >> Note: support for unwinding using the dwarf information in compat >> mode requires some changes to the libunwind code. Those changes >> have been submitted on the libunwind ML and are in discussion. >> >> Tested on ARMv7, ARMv8 and x86_64 platforms. The compat mode has been >> tested on ARMv8 using statically built 32-bit binaries. > > This is look alright to me now, but there are still two blockers: > > (1) Getting the libunwind code merged This one is independent of the kernel changes. The libunwind stuff is under disuccsion atm, cf. libunwind ML. > (2) Splitting this into an arch/arm64 series and a tools/perf series, so > that acme can merge the latter independently (and avoid the mess we had > last time). Split into: - the tools/perf change: '[PATCH] perf: ARM64: wire up perf_regs and unwind support' and - the arch/arm64 changes: '[PATCH v6 0/3] perf: AARCH64 arch support'. > > Anyway, for the series: > > Acked-by: Will Deacon Thanks! I have added your Acked-By in the series. > > Will Jean -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/