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[2620:137:e000::1:20]) by mx.google.com with ESMTP id bv12-20020a056a00414c00b00676fd3ad23dsi20779902pfb.384.2023.07.05.12.45.54; Wed, 05 Jul 2023 12:46:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="V6wbGg/+"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232185AbjGET3q (ORCPT + 99 others); Wed, 5 Jul 2023 15:29:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41144 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233969AbjGET3l (ORCPT ); Wed, 5 Jul 2023 15:29:41 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4610F171A; Wed, 5 Jul 2023 12:29:38 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D55F0616DA; Wed, 5 Jul 2023 19:29:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89C56C433C7; Wed, 5 Jul 2023 19:29:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1688585377; bh=58E9A5hdZBNfXmya5PCeY7HXsUfb3Ff8zPeemokngEs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=V6wbGg/+57CYKEHYV+uixfWNCh/9v+4zU9M8fxtJrep+XywpzBRieTW8SdVm9jWsX 8jnjQD9t6n3OZ6QZ9WB+iDJtUxpwv4c4vTBDNFuur048merbY3/wMo+JC/gdG//GRH r99TXiptTgZrvYpA/9uhlHueIHq3uh2J3uw1f2qLVev5pb4hgVIef5bwl/E1njRHS2 iJUh76lOuAH4VvAXROqmZWUY9lHdifDf21yCH3pEKbRMUA6D6smgR4NpOJuGnIgqnv 7TmA4xrsUSHXI6oRcIUVw0x1Ed4fpu1ZjvuoEI2k2jUowmOlwyxOoTwvTs9I2i3JmU pJEZZt2lDYEVA== Date: Wed, 5 Jul 2023 20:29:25 +0100 From: Mark Brown To: "Edgecombe, Rick P" Cc: "Xu, Pengfei" , "tglx@linutronix.de" , "linux-arch@vger.kernel.org" , "kcc@google.com" , "Lutomirski, Andy" , "nadav.amit@gmail.com" , "szabolcs.nagy@arm.com" , "david@redhat.com" , "kirill.shutemov@linux.intel.com" , "Schimpe, Christina" , "linux-doc@vger.kernel.org" , "peterz@infradead.org" , "corbet@lwn.net" , "nd@arm.com" , "linux-kernel@vger.kernel.org" , "dethoma@microsoft.com" , "jannh@google.com" , "debug@rivosinc.com" , "mike.kravetz@oracle.com" , "bp@alien8.de" , "rdunlap@infradead.org" , "linux-api@vger.kernel.org" , "john.allen@amd.com" , "jamorris@linux.microsoft.com" , "arnd@arndb.de" , "rppt@kernel.org" , "bsingharora@gmail.com" , "x86@kernel.org" , "pavel@ucw.cz" , "andrew.cooper3@citrix.com" , "oleg@redhat.com" , "keescook@chromium.org" , "gorcunov@gmail.com" , "fweimer@redhat.com" , "Yu, Yu-cheng" , "hpa@zytor.com" , "mingo@redhat.com" , "hjl.tools@gmail.com" , "linux-mm@kvack.org" , "Syromiatnikov, Eugene" , "Torvalds, Linus" , "akpm@linux-foundation.org" , "dave.hansen@linux.intel.com" , "Yang, Weijiang" , "Eranian, Stephane" Subject: Re: [PATCH v9 23/42] Documentation/x86: Add CET shadow stack description Message-ID: References: <2a30ac58-d970-45c3-87d2-55396c0a83f9@sirena.org.uk> <0a9ade13b989ea881fd43fabbe5de1d248cf4218.camel@intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="itt77taXQv6vqcOz" Content-Disposition: inline In-Reply-To: <0a9ade13b989ea881fd43fabbe5de1d248cf4218.camel@intel.com> X-Cookie: Don't feed the bats tonight. X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --itt77taXQv6vqcOz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Jul 05, 2023 at 07:17:25PM +0000, Edgecombe, Rick P wrote: > Ah, interesting, thanks for the extra info. So which features is glibc > planning to use? (probably more of a question for Szabolcs). Are push > and pop controllable separately? Push and pop are one control, you get both or neither. I'll defer to Szabolcs on glibc plans. --itt77taXQv6vqcOz Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEyBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmSlxJQACgkQJNaLcl1U h9Dl3gf4pyfBTQGKNG7L2/ecpPEphYcpapfkYdEFAnsVKJ2aZlrgdUGX+h5iB+eV OIUnTjkuQDFCJ47C3ORYsCtSAbkRe13XbVaYXbOWjB6eJjzgs9LncuKK4aunziJj mLuY0uRzDE7JbGH94ds/eFOuFHaFPTsd+ZnDEE7ajHueHolhNxgLJZqN8TJhuQ6u 8cNXaAu3CGKgwoLKXh/VaYQQ2LOAivBeFXzDoXKCZGSBpAeAIrkWQj2EoxcAu7BN pVXE5n3Wq2pwAwPWF0fFaIxHM6FKYcDsPM7u5Sbf0vqDC5MxLxr8kNfzO+7gK9g+ TuGmuQ73sTVmtQZrEqVpN69B27mf =80j0 -----END PGP SIGNATURE----- --itt77taXQv6vqcOz--