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=-10.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 788D3C433DB for ; Mon, 22 Mar 2021 12:15:46 +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 163256198E for ; Mon, 22 Mar 2021 12:15:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 163256198E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To: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=zsONhQ7kiB557R6P54EYQ53aAKjW9TlmEvZJju6hLMI=; b=Ka2BpxByL/NSzk0vAq+0pfyT8 2L07WGEAbo+ET3Flu9wMplOkI072oLBNCgqas+fl/3tjwgSgjL4UwEk3w0Bdl57pLKx8L5/gHaDHH HlNbIZ+s6bEKeMYJpZSlUl+IKFs35Gr8CV6U8R/TgTVcswn0ystIlsNXCq3GUuLVI2MmTNMDSC3wN NwtxZfsm8I0QWVBHhVJXPgBbuxhBxjbJWL8N4YMljfs1kZ286AvHhKVR9YyemSBGkLzTPzPqWGGN0 J+jAWabUnfGm09AsGkIESvf9fUUBDRw/XYI57XJSmk9fFeH5aTGaAnjA0baNXt6BTnalcjyLWn76V uN8nHTRww==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lOJRM-00BXtC-Mj; Mon, 22 Mar 2021 12:13:48 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lOJRE-00BXsl-3Y for linux-arm-kernel@lists.infradead.org; Mon, 22 Mar 2021 12:13:42 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 61EBA6198B; Mon, 22 Mar 2021 12:13:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616415216; bh=2xy/ZpPjOW0oIt6mLviODf/g/JztzLUVzbDrPox2lfE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YQSbCTQjeyS2UqljQkDqZmB9hNuuzGNxqFzi8tBD2j6ueNIDzsiCBtoliDyOuroNX aaSA2/yroenyErha3H67sIq7O7AJys3qFTeKaUiHcTauU5CZnaBlMwWPz4pZYW221x nU8nCIGfiXCckik4WcBuszHK5Qe18fibAQ/Fxcd0ZymHuCn8LyuV7kH+0+27U+bvgH cVm8jHgfFEEQbHFh1PVaKRJo7PKBfAtZKir9yBxtBtfRcVIVixrF5FoO2zLZ6hLdI9 ekTb8DMBqmjxiafWkjIxXQM3TXEuK8Fxn7+pqs0ptkbKS3gpm+Uk5J9AGhIaTYbbIB 8qHqNpr3lwBIQ== Date: Mon, 22 Mar 2021 12:13:31 +0000 From: Mark Brown To: Mark Rutland Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Catalin Marinas , Chen Jun , Marco Elver , Will Deacon Subject: Re: [PATCH] arm64: stacktrace: don't trace arch_stack_walk() Message-ID: <20210322121330.GA4681@sirena.org.uk> References: <20210319184106.5688-1-mark.rutland@arm.com> MIME-Version: 1.0 In-Reply-To: <20210319184106.5688-1-mark.rutland@arm.com> X-Cookie: A friend in need is a pest indeed. User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210322_121340_501791_B2C2CE78 X-CRM114-Status: UNSURE ( 8.89 ) 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: , Content-Type: multipart/mixed; boundary="===============1039303841965875045==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1039303841965875045== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="/04w6evG8XlLl3ft" Content-Disposition: inline --/04w6evG8XlLl3ft Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 19, 2021 at 06:41:06PM +0000, Mark Rutland wrote: > We recently converted arm64 to use arch_stack_walk() in commit: >=20 > 5fc57df2f6fd ("arm64: stacktrace: Convert to ARCH_STACKWALK") >=20 > The core stacktrace code expects that (when tracing the current task) > arch_stack_walk() starts a trace at its caller, and does not include > itself in the trace. However, arm64's arch_stack_walk() includes itself, Reviewed-by: Mark Brown --/04w6evG8XlLl3ft Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmBYiecACgkQJNaLcl1U h9DEbQf/RW80IksT99bCxlvuUNGMepB0HODebTps3dINdEdl0awUTI6YBtkkgbgf xvpA4kcJhNSyMELjqZ/fW4tleGNcrLP8O11OoUb3+eDqL6s/bvz1eKLoszb+jWDa XMMMjPCq7+gVNwwaSpajrys50UszkyzmlKvq5eE/7rfWHBGdjzRQ8XJwSadHuWg5 0zJEvSQPDGEQZ+158WWs+LwhRDFuMkFs8wtVH0H0Es60AICB4rBPEkI6PLQnh6gg 55SK9zeFuOwxTM1MTd7bgDeI3VugSBf/s0NoBqaC1TdsqYjiUk6bbKtBzpvWMPlZ pvnhkiUq/XGWnYLwbzV/fye8mr1zcw== =gunV -----END PGP SIGNATURE----- --/04w6evG8XlLl3ft-- --===============1039303841965875045== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1039303841965875045==--