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=-5.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,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 16B15C433B4 for ; Fri, 9 Apr 2021 14:05:05 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AA9FD61165 for ; Fri, 9 Apr 2021 14:05:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA9FD61165 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=X7QnCdIxGkYY9vgue3reznEOdq86PQ+fvrvqQnUu2bc=; b=BV8A0xP2qG46b+mWSCFl5Y6MG JRY6PnBFaTRFUNwbQZOlcm4wEz3pGy6X8HOr6SCve0Rvr0sNtRsm5B330A2jlwbnylPdPKSr874zt 2tWlewza105pxXJc3U77V12ETfy+UQ/euK+7uj6jDi76HVRnW0GxvU6xi4bBV2q/vM78J7EmTMTCe fulODy9R7FNTa+P7XlJB1LWYHPxXsU51+3kczhJqEOEMFQRpaKE5AjKsyicCr/LIuEV33oCHSavCv lXVDwW9Kdg854CrJwtFZd44Q6oPUcEiUeSoIdNSG/wNd9UIIKCwMHwR+NP6gHstrEntBSwkTb4nmK SSetu267Q==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lUril-000sKi-P2; Fri, 09 Apr 2021 14:02:53 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lUrii-000sKW-M3 for linux-arm-kernel@desiato.infradead.org; Fri, 09 Apr 2021 14:02:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To: Subject:Sender:Reply-To:Content-ID:Content-Description; bh=GxI9MmdzWGr7nnktck4TyPxKLYohdw0uB9LcCzDuPYk=; b=iptyytM/mst11djNEppFd3FiZt jGDcrb6kNlhdSaNlcEP8L1BeU/rx8tnQ1T3/d7QsWrARe2RAEkE9MIiGeDGMUfE8u29wnerbK1X5c zEiQkB6/e7MHevJtcrFs4MX1fQE0vwc6q9xdoCtzM347Xv2bZr1Ib4nvKddmk0QfdcJaDj5vjYQ4q v1RSvOO7NMGXdaE+ryj5Cd8ZnyoTLezVYwbbePWQ5U5knP4BFn8XTqfo+fmgHx3qkB8NXKZPWOrAd Lo6TDtY83rS2JsRS+jDLNFIQ+2Me+DVG6LMTO/0jBCs+YaAetKNIRVJh9syN5UCMlQ4zRHdAfW9+W 9nLLflGg==; Received: from linux.microsoft.com ([13.77.154.182]) by bombadil.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lUrif-004ZOc-UJ for linux-arm-kernel@lists.infradead.org; Fri, 09 Apr 2021 14:02:47 +0000 Received: from [192.168.254.32] (unknown [47.187.194.202]) by linux.microsoft.com (Postfix) with ESMTPSA id 865BD20B5680; Fri, 9 Apr 2021 07:02:42 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 865BD20B5680 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1617976963; bh=GxI9MmdzWGr7nnktck4TyPxKLYohdw0uB9LcCzDuPYk=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=dIQln+/Qcl4vYhj0bP0wGn34Tk4kn6mA+wTTbm9ObqpkZxVOiBHjDVmG1KKlx5bfz YlXt1Yje46hQl+RYZ3wLCy0olo3P+p/slmv7ww0lakcHCxc2acqvqGE6dctSWa5IWe 5yZOW1xBL2Orb7sVzh5JHTr1zdEXH1QzKt7TIB8Y= Subject: Re: [RFC PATCH v2 3/4] arm64: Detect FTRACE cases that make the stack trace unreliable To: Mark Brown Cc: mark.rutland@arm.com, jpoimboe@redhat.com, jthierry@redhat.com, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org References: <705993ccb34a611c75cdae0a8cb1b40f9b218ebd> <20210405204313.21346-1-madvenka@linux.microsoft.com> <20210405204313.21346-4-madvenka@linux.microsoft.com> <20210408165825.GP4516@sirena.org.uk> <20210409113101.GA4499@sirena.org.uk> From: "Madhavan T. Venkataraman" Message-ID: <75944f33-9a3e-27d9-75df-b2038c10ea02@linux.microsoft.com> Date: Fri, 9 Apr 2021 09:02:41 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210409113101.GA4499@sirena.org.uk> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210409_070246_086016_49FF8EF3 X-CRM114-Status: GOOD ( 13.11 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 4/9/21 6:31 AM, Mark Brown wrote: > On Thu, Apr 08, 2021 at 02:23:39PM -0500, Madhavan T. Venkataraman wrote: >> On 4/8/21 11:58 AM, Mark Brown wrote: > >>> This looks good to me however I'd really like someone who has a firmer >>> understanding of what ftrace is doing to double check as it is entirely >>> likely that I am missing cases here, it seems likely that if I am >>> missing stuff it's extra stuff that needs to be added and we're not >>> actually making use of the reliability information yet. > >> OK. So, do you have some specific reviewer(s) in mind? Apart from yourself, Mark Rutland and >> Josh Poimboeuf, these are some reviewers I can think of (in alphabetical order): > > Mainly Mark Rutland, but generally someone else who has looked at ftrace > on arm64 in detail. It was mainly a comment to say I wasn't going to do > any kind of Reviewed-by but also hadn't spotted any issues. > Understood. Madhavan _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel