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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0C2B6C61DBD for ; Wed, 26 Aug 2026 15:04:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DNBMKkxEyxM92YT57T/4G7FiuSkFG4psxK0dug1eKaw=; b=1F/iQFChyeITVC8RYaTInn/pcp TM3zMfWnyDuRPEHuKNYkXt9n03STdcO9QriK23P2M/dsk5bhIhEF6jqUwOoGKaVr/PbGcTf+Kcgdn R7Rb5wheMuowMGA4HjqvE6hcPi7eoXKhrSAxpNz6GBOEEEVm/gYktYyP3oQQNjVsqli0XtGqHbruu qEDCqM2AqzBoq6M08H4SdCNYlg7vvxt9MSjQloC4BQfpVsVOVDXKRggLfwVV3N/p5gvC318YmWtvN 5/Lew1ybEG8/rj8O4w+jNOowKMLuWHed8OkeFoG12781WYCyBwQjURQcb1YQ6GWuux8a30wrOh44R xWsSXQDg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wzFBA-00000002dWZ-2qfG; Wed, 26 Aug 2026 15:04:40 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wzFB8-00000002dWE-2ULX for linux-arm-kernel@lists.infradead.org; Wed, 26 Aug 2026 15:04:39 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 194C41BCA; Wed, 26 Aug 2026 08:04:31 -0700 (PDT) Received: from localhost (unknown [10.2.196.114]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8A65B3F85F; Wed, 26 Aug 2026 08:04:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1787756674; bh=ha5EeUmGMqyJtGR7X0QqNJp4AGSkOzNoD2LxtIdRtm8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=AOheFklPW1RRHXqLak0pKDeFEKk3sN2QVpc2v4bwwwVU7SmboWzeMOG2Fdf/NtNQa RLNA+k5tQA7yim3bQmz1qSwsCye6bBfpQJhoWjTEFUwq78ILEz5O0Msi+EoN6MfTr6 iXmbHQ1R9cm+NBBXFPvy/0xrfL6Npby4+S3/6lX0= Date: Wed, 26 Aug 2026 16:04:32 +0100 From: Leo Yan To: James Clark Cc: Suzuki K Poulose , Mike Leach , John Garry , Will Deacon , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Mathieu Poirier , Jonathan Corbet , Shuah Khan , Suyash Mahar , Amir Ayupov , Leo Yan , linux-arm-kernel@lists.infradead.org, coresight@lists.linaro.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , linux-doc@vger.kernel.org Subject: Re: [PATCH v2 02/14] perf cs-etm: Warn for invalid timestamp option Message-ID: <20260826150432.GJ8904@e132581.arm.com> References: <20260821-james-cs-unformatted-per-thread-fix-v2-0-00c4fd0701b4@linaro.org> <20260821-james-cs-unformatted-per-thread-fix-v2-2-00c4fd0701b4@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260821-james-cs-unformatted-per-thread-fix-v2-2-00c4fd0701b4@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260826_080438_769350_AEF9C4D9 X-CRM114-Status: UNSURE ( 8.51 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Aug 21, 2026 at 10:49:00AM +0100, James Clark wrote: > Instead of silently returning an error, print a useful warning. > > Signed-off-by: James Clark Reviewed-by: Leo Yan