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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 1670DC433B4 for ; Tue, 6 Apr 2021 11:05:12 +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 A6C7160FF0 for ; Tue, 6 Apr 2021 11:05:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A6C7160FF0 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=zTQTcFozZSHQd0mnTrUubnfvwy8fyfmncuN4cC1EaH4=; b=J5QouEa14EPN06YMJFQwbwMZb ak8GSlvT1531EE+2Ni61F/Hld2DDz4jtW0trvQE83zgSuqelRU2fvkITzBoAjcYtyrnuvwsHYGPRs bbjD/TVc0bFCAELLybroKP90NqEJlbfSjvfqdkZ4TfPXZ32FR+yBda4jWOM48s5aYtd++nJdUxjDa nSX14D4DfnbX6i2PgWCOFX+zgW4R9tcgkHayYjtf8IXRQTstN0KmNgtdRDFZiBwBb9/WBRq2wmL2U 7vFEK/0AMJZGUOLNBgdKyTjl0bBSa2GJMOnV0GbA5p0kT2+0T9goMPIvhg1fpyVK20gkOoGxELHY2 SUdHoJS5A==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lTjUQ-002GmH-Ed; Tue, 06 Apr 2021 11:03:22 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lTjUL-002Gkw-BK for linux-arm-kernel@lists.infradead.org; Tue, 06 Apr 2021 11:03:19 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id B924061055; Tue, 6 Apr 2021 11:03:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617706994; bh=feVSVdneCF5Z0KFs4Mc8lgfRu23TV0mL2jYYWxBzMlk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YuHT14mRco+dzf70WdkLcOIVfVU6oRTuJUkJYNQ3yDpzV3w9zWyIAePREROqXP6tX WqJISse0+m/zI5QwVFK2OzII7oNMSc1ql0Skhr//j7lrkm66itj07bByKbRnQONmJs wYHSqnS+JQAdHOut5WOhMx0KPdLTxlrjh9e3h1XciknW7U/dNdZUslegOhJah+J4l4 YSTsXTxPiLjrZVet0GBpjxQCoubxSPx745DQXo6Sm00NC4axz6ZBcYTihpxW4iM7K3 Wl3lL1icBZlAAodB0V/0PmIc6DuvwZu0lkBkDF/+D065Y7kHCnUQ4QAdQYoXfDK45q 9zH8MTmlOjugA== Date: Tue, 6 Apr 2021 12:02:57 +0100 From: Mark Brown To: "Madhavan T. Venkataraman" 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 Subject: Re: [RFC PATCH v1 3/4] arm64: Detect FTRACE cases that make the stack trace unreliable Message-ID: <20210406110257.GA6443@sirena.org.uk> References: <77bd5edeea72d44533c769b1e8c0fea7a9d7eb3a> <20210330190955.13707-1-madvenka@linux.microsoft.com> <20210330190955.13707-4-madvenka@linux.microsoft.com> <20210401142759.GJ4758@sirena.org.uk> <0bece48b-5fee-2bd1-752e-66d2b89cc5ad@linux.microsoft.com> <20210401182810.GO4758@sirena.org.uk> <2a56fe4b-9929-0d8b-aa49-c2b1c1b82b79@linux.microsoft.com> <9ebc341b-ba5a-db9a-c5e6-17b30d4b1fd4@linux.microsoft.com> MIME-Version: 1.0 In-Reply-To: <9ebc341b-ba5a-db9a-c5e6-17b30d4b1fd4@linux.microsoft.com> X-Cookie: BARBARA STANWYCK makes me nervous!! 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-20210406_120318_102169_71F229CB X-CRM114-Status: GOOD ( 12.82 ) 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="===============4520315819793523090==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============4520315819793523090== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="HlL+5n6rz5pIUxbD" Content-Disposition: inline --HlL+5n6rz5pIUxbD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Apr 01, 2021 at 02:47:11PM -0500, Madhavan T. Venkataraman wrote: > On 4/1/21 1:53 PM, Madhavan T. Venkataraman wrote: > > Alternatively, I could just move the SYM_INNER_LABEL(ftrace_graph_call..) to outside the ifdef. > Or, even better, I could just use ftrace_call+4 because that would be the return > address for the tracer function at ftrace_call: > I think that would be cleaner. And, I don't need the complicated comments for ftrace_graph_call. > Is this acceptable? I think either of those should be fine. --HlL+5n6rz5pIUxbD Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmBsP+AACgkQJNaLcl1U h9BAFwf7BcZKDmVjMobAlViTRTdrDIK11ry9Bg03OuKs5Ckpvl/iJqqi2JWu9P1Z Opj4gyGT1rGfThM8p8K03l+97zuQV7E7xD2MavLAkEQtR+DlOZ4b7stYtERSxgKL YkCRAGaQUFyOK6b7xAz64PW/i23MJ+1llUFGJNdxC+7akNAuvuUF+MX/TU0k82f9 1KT+yQ1OwoCzyaGVHi4Cy+hormWNWDZBGwHg0MvSiPLw4taL7iyHnheB+LWUgA9r umqZnlMU9itzdWF0UR+iBH+vzeMlgWyV9jQk5WR0LxCCIxrhXv0WKQAAAjQxOW3I 2Ly7um10NjRbLJ2kUCZ/TSYW5GI98w== =xD66 -----END PGP SIGNATURE----- --HlL+5n6rz5pIUxbD-- --===============4520315819793523090== 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 --===============4520315819793523090==--