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=-5.7 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 C62EAC433DB for ; Fri, 29 Jan 2021 15:49:52 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 6A79761477 for ; Fri, 29 Jan 2021 15:49:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A79761477 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=merlin.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject: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=PU5yaowu1Exa+Au/ozkWrWJsZ5yJqbpWRw1Lupxkhic=; b=BxnpLomsji/9rA86N7gc6V5Bk DIKZkXeQnGEBtkF8TyLYo6pLHc20bzGLf6J9Jry7AwTFS69QRdZtK/a6nKBon/Ah+L6HWr3u0wBac +Fg+Y1IOeypBbVK7RCO0UfwABUz90u+cXot200f4sKIqSCJ5IZjygl+d+8lqNs3GEw2zZUDXFjhdo YbshsJYRTnr4F63z0H4MbLCLmR1XTm7sERhpi1lZSPqBjglbhFVKt9BSJtNF/gSg0mVKh8NjOtAcl fiOCnopMUQY1ryMlETekfNlatn6iHqxoEEgGvVSdytU/vnkRRUxaIIgPcHihHQzDhmEDjlizIERYV TVX0H6OMw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l5W0r-0000e4-Vn; Fri, 29 Jan 2021 15:48:46 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l5W0o-0000cw-QE for linux-arm-kernel@lists.infradead.org; Fri, 29 Jan 2021 15:48:43 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3E16A61477; Fri, 29 Jan 2021 15:48:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611935320; bh=30zkj/uCZFHMwP3Em123Q1DC78HzWEjKg7nS/cSZ7DA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=aGRoY8AhTDgWYS18CYaGRRGLWzPmgBIoOQXQ0xaxF2pxvoC8wOhgTh6lgahuNEenR yY8obwuVu5lSHc2U9zisD+Nz2aormKz3In1Py5jCsY93C8d9x9ix2yfbXXoQv4NGSe Jz/ydUDjbaXJiQub+3c2X5RS1Lv6ic+W3FhoY5nOgapxv/OEAze9Alc3lYUuwUcDkl 0IOJkJVgrI1owka5JyfJJTr2GerUw9JVx6e+iAPFlpz/iQsGCT29G8xSXoE9eiGPap Y0qFe8dKY/ElzhXq2mVqUxwTSP9ZrSw1WzGcehra1jNUSx/nFy2wcLYdxaSF3MTleM OnGBXI5wj1IUA== Date: Fri, 29 Jan 2021 15:47:56 +0000 From: Mark Brown To: "Madhavan T. Venkataraman" Subject: Re: [RFC PATCH 00/17] objtool: add base support for arm64 Message-ID: <20210129154756.GD4560@sirena.org.uk> References: <20210120173800.1660730-1-jthierry@redhat.com> <186bb660-6e70-6bbf-4e96-1894799c79ce@redhat.com> <20210121185452.fxoz4ehqfv75bdzq@treble> <20210122174342.GG6391@sirena.org.uk> MIME-Version: 1.0 In-Reply-To: X-Cookie: One organism, one vote. 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-20210129_104842_923444_1CF9F386 X-CRM114-Status: GOOD ( 14.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Michal Marek , Julien Thierry , Peter Zijlstra , Catalin Marinas , Masahiro Yamada , Linux Kernel Mailing List , linux-efi , linux-hardening@vger.kernel.org, Josh Poimboeuf , live-patching@vger.kernel.org, Will Deacon , Ard Biesheuvel , Linux ARM , Kees Cook Content-Type: multipart/mixed; boundary="===============4329324448874238367==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============4329324448874238367== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ZARJHfwaSJQLOEUz" Content-Disposition: inline --ZARJHfwaSJQLOEUz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Jan 28, 2021 at 04:10:51PM -0600, Madhavan T. Venkataraman wrote: > I sent this suggestion to linux-arm-kernel in response to the Reliable Stacktrace RFC from Mark Brown > and Mark Rutland. I am repeating it here for two reasons: > - It involves objtool. > - There are many more recipients in this thread that may be interested in this topic. > Please let me know if this suggestion is acceptable. If it is not, please let me know why. > Thanks. There was some feedback on the other thread raising concerns, including questions about the benefits of trusting the compiler to flag non-standard code without expectation mismatches and the utility of allowing the compiler to do so in the first place. --ZARJHfwaSJQLOEUz Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmAULisACgkQJNaLcl1U h9C/8gf+POmQEuwULlIiA72o8lEuZkXM2MKWWIfb6I+1K082jwia7lBmgkQ20YY2 FfIZ/n2S2W9KXrvAK8OqZ3jBoghDtwzxP3q3BZA1dFpRYuHXSiUk88g9uWz3qSvd hcxyknuindkszWS9OPSPjbmXH4pNgIS5tV76yLgfRWQDk6PGH/k2DF6TIP3WK1uO JE5U7f6n3e+UEIOguMzAbMvSa6vx9M9GZNGgOkaMBEm52Q2QRYFMRrCvKTy4ZvOm XW5Ux1H8HVOYdnNv0gtPG1jbM3GUcbP5NNxLEYUIi8zdKew9eA/1ByYPaQDLlnl7 OA9BgklpTLZDMp0LIGes7+4DeeWpCg== =JOTg -----END PGP SIGNATURE----- --ZARJHfwaSJQLOEUz-- --===============4329324448874238367== 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 --===============4329324448874238367==--