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=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 BD137C43387 for ; Tue, 8 Jan 2019 13:23:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 85207218A1 for ; Tue, 8 Jan 2019 13:23:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546953811; bh=PYCLY+E0xZwbZqwV/rw5kmcEkjLKtCUrnvXMXBFeYGk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=DoDtKb0L5k7OdC/XxSTR7jCTc5pL59IbU8JbHo+KWZiUgOXzc7k2EoQJiSWLtdlRM JDWnAOYj2Ocs8LviP+7VRq05v2YQoWMmINx7Xn7d8sKEFZ8S/anExjp3+uEny+lo0w egbH7F96JcCqH4lTaxY9mDUAd+OV9U1Pfd2r+xNk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728485AbfAHNXa (ORCPT ); Tue, 8 Jan 2019 08:23:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:59600 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726129AbfAHNXa (ORCPT ); Tue, 8 Jan 2019 08:23:30 -0500 Received: from quaco.ghostprotocols.net (unknown [190.15.121.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4921C206B6; Tue, 8 Jan 2019 13:23:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546953809; bh=PYCLY+E0xZwbZqwV/rw5kmcEkjLKtCUrnvXMXBFeYGk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ceS2b0aHBH1rRU3RrLCmyoS4gNfEH6eN19ToW0zU3vRq/lPcn/cSiIOiSyI8QfUr9 5X0+5hU5ryYTSL7DVaKsFrEDxw21f4Vwf03Zxap+Gl0NtlTChlR+v2/bQS9keJXwVk oK3QoQnU6jIWP8EKNyye0IfJm0ztOy7gTrgcYCng= Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id E5C9240355; Tue, 8 Jan 2019 10:23:26 -0300 (-03) Date: Tue, 8 Jan 2019 10:23:26 -0300 From: Arnaldo Carvalho de Melo To: Jiri Olsa Cc: Florian Fainelli , linux-kernel@vger.kernel.org, cphealy@gmail.com, Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Namhyung Kim , Kim Phillips , Greg Kroah-Hartman , Thomas Gleixner , Ravi Bangoria , Thomas Richter , rmk+kernel@armlinux.org.uk, l.stach@pengutronix.de Subject: Re: [PATCH v3 0/2] perf tests: Check for ARM [vectors] page Message-ID: <20190108132326.GC28965@kernel.org> References: <20181221034337.26663-1-f.fainelli@gmail.com> <20190101173926.GA15729@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190101173926.GA15729@krava> X-Url: http://acmel.wordpress.com 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 Em Tue, Jan 01, 2019 at 06:39:26PM +0100, Jiri Olsa escreveu: > On Thu, Dec 20, 2018 at 07:43:35PM -0800, Florian Fainelli wrote: > > I just painfully learned that perf would segfault when > > CONFIG_KUSER_HELPERS is disabled because it unconditionally makes use of > > it. This patch series adds an ARM test for that by leveraging the > > existing find_vdso_map() function and making it more generic and capable > > of location any map within /proc/self/maps. > > > > Changes in v3: > > > > - remove find_vdso_map() call find_map() with VDSO__MAP_NAME > > > > Changes in v2: > > > > - use strlen() instead of sizeof() -1 since we made the page name a > > parameter > > - use TEST_OK/TEST_FAIL in lieu of 0/-1 > > - added an error message indicating CONFIG_KUSER_HELPERS might be > > disabled > > > > Florian Fainelli (2): > > perf tools: Make find_vdso_map() more modular > > perf tests: Add a test for the ARM 32-bit [vectors] page > > Acked-by: Jiri Olsa Thanks, applied. - Arnaldo