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=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 EEEB7C4338F for ; Mon, 2 Aug 2021 17:20:42 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B430E61103 for ; Mon, 2 Aug 2021 17:20:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B430E61103 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; 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=W5U5KjiX+S0BVxfBDy9q3+QoHVp7ZxgOFouRwifHgLQ=; b=yk3bd1KToayrxKQou4r6k2+2ph URG/P6Gi38gpeqFfR8qIBMWS3Oe61+IgB8CEr7NDydAk2MgtBNAret6o616EUz37nt2NcmH3WuuQr dvcWdE+gUUEKTyN0wnv6kleOUnXNm88rU6xRaquN/NACynHpjuCj2RpsLJFzuy2BEAwXij+zli+dz whU5VK1qNUuBUJzUUx0iluNCWtkVebgzeBUCoxz+JK5riCKmrkjkUXdyWQISXRIErBCWEcPQqz2yv Bx4la2Yef6oQe5hSxQyfz3YAzfQoQSzLImDkVP08qxtqPH1O7MLxSMSMRJGrAik9tvqPcFBi6ft79 MPPZi98w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mAbaa-00HJE4-BO; Mon, 02 Aug 2021 17:18:56 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mAbaW-00HJDd-Gj for linux-arm-kernel@lists.infradead.org; Mon, 02 Aug 2021 17:18:53 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7B4B761102; Mon, 2 Aug 2021 17:18:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627924732; bh=T3AdGP5S6KnHmvpj5iIFxxlbQj9PZsdklOWU/P06FgY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Nq2E2QdkvncrEp0LvilvKjLwSYL0BwdM1MEUZPxBiTpyFnS6pcxLMbhAEsq/65ub9 75fbdI/Vz1l28oEeEBpGZJc2teSwYN6zDdq8ThnKRnDuw88uKOGYE6T1Xm4N4Ey+Og 7VbBrrVpn+ke6NDBH5o4EQP9X3QY9z5PiPHg91UvvpNJvyHTe+RG1BuOPeg4lh7TFb +1KCsm5Y78BOlhiE78rKytEiDE8lk2jGap009zxnamVkVKwGYVmTl/HCGjYSQVFEGB 1HyyoUIAU5VrqrHCKseONcr4LaC16sNtV9twOU6XOJK+y0sz91Oz57RsRyVFURCUyW oHA1cyjV/Phpw== Date: Mon, 2 Aug 2021 18:18:38 +0100 From: Mark Brown To: Mark Rutland Cc: linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, madvenka@linux.microsoft.com, will@kernel.org Subject: Re: [PATCH 2/2] arm64: stacktrace: avoid tracing arch_stack_walk() Message-ID: <20210802171838.GL4668@sirena.org.uk> References: <20210802164845.45506-1-mark.rutland@arm.com> <20210802164845.45506-3-mark.rutland@arm.com> MIME-Version: 1.0 In-Reply-To: <20210802164845.45506-3-mark.rutland@arm.com> X-Cookie: There's only one everything. 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-20210802_101852_611123_E9408F32 X-CRM114-Status: UNSURE ( 9.33 ) 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="===============2002332218238882829==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============2002332218238882829== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="qo7zVO9a9OQ5oQtr" Content-Disposition: inline --qo7zVO9a9OQ5oQtr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Aug 02, 2021 at 05:48:45PM +0100, Mark Rutland wrote: > When the function_graph tracer is in use, arch_stack_walk() may unwind > the stack incorrectly, erroneously reporting itself, missing the final > entry which is being traced, and reporting all traced entries between > these off-by-one from where they should be. Reviwed-by: Mark Brown --qo7zVO9a9OQ5oQtr Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmEIKO0ACgkQJNaLcl1U h9BL5Qf9FrYLDeDVL7Pv3EzN2Mr38RE5a31PqaMenuT56TxNetoO2LGzVwhDth/K hwUHQqhi4zQ00JNVVIovuzpqAGYqez36N3Y17Tp7AD1L1GPiBhx0IHNG41VosLfN nCyIuRfxPbzWZW93lhk4SMfxLTaSjPciGu6EoK/FGpSeCoKrAr6SOpuJE5RWw+6H Utkf+OFfuRkCJAg7BTUKkNjRHBcnmQ/NlayIX/NDY1/2aKhRKJZK2KM+gmJSgjtR TSGWT9yuvoOj8/f0eQeJTMjzSooz57pGARsUXgfJ1Sk7vGyJV+bE+Lcx3V16IEMa AUf4l+kLUUgXQCbNnW5NBCTxLwtD9Q== =azHF -----END PGP SIGNATURE----- --qo7zVO9a9OQ5oQtr-- --===============2002332218238882829== 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 --===============2002332218238882829==--