From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB0DEC3A5A3 for ; Fri, 30 Aug 2019 07:19:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A67723407 for ; Fri, 30 Aug 2019 07:19:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="TmdCTuad" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728532AbfH3HTQ (ORCPT ); Fri, 30 Aug 2019 03:19:16 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:49668 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727715AbfH3HTQ (ORCPT ); Fri, 30 Aug 2019 03:19:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=w1SF78Kk0E6HLyNwS5UYNieyf6tAgGpx5WCCw58u+14=; b=TmdCTuadbEDWKBDjPAR48Zg9k IvIl/cF5dZhNltgANev4nrj8oAQmTddvp3eLwX3tLVmDYIV7fB4Hy3dzVP+oQPg7udwTsgl8ov94k UelhkrFj+kxkoTwq+fKHHUWLVhaZfq+K9l0wJjZ6xup/HwZv8HL18gky+vkDe+Ns0fiy78WC+ENyu UVJdO/sQsu+7SmF0zsYBNzjNFok/bxyqzDViZz/uQ5EcfhcjjQidZJYBLXOP1zl6e8WOJ5s3Kn/kn ZO4MNXBeMFzjqdK9KKCpmZXGiOR0+QLLvjU1vcjsVuZbMWwOoin0UABc6PYcxG02SRZ8htQc5u/fK kjTVIKLcw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1i3bBf-0000Qt-AB; Fri, 30 Aug 2019 07:19:12 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 5D53C305615; Fri, 30 Aug 2019 09:18:34 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id A47A4202411AD; Fri, 30 Aug 2019 09:19:08 +0200 (CEST) Date: Fri, 30 Aug 2019 09:19:08 +0200 From: Peter Zijlstra To: Josh Poimboeuf Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , Arnaldo Carvalho de Melo , Jiri Olsa , Masami Hiramatsu , Adrian Hunter Subject: Re: [PATCH 0/4] objtool,perf: Use shared x86 insn decoder Message-ID: <20190830071908.GY2369@hirez.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 29, 2019 at 05:41:17PM -0500, Josh Poimboeuf wrote: > It's kind of silly that we have *three* identical copies of the x86 insn > decoder in the kernel tree. Make it approximately 50% less silly by > reducing that number to two. > > Josh Poimboeuf (4): > objtool: Move x86 insn decoder to a common location > perf: Update .gitignore file > perf intel-pt: Remove inat.c from build dependency list > perf intel-pt: Use shared x86 insn decoder Acked-by: Peter Zijlstra (Intel)