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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C803C433F5 for ; Mon, 3 Oct 2022 22:42:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229653AbiJCWmC (ORCPT ); Mon, 3 Oct 2022 18:42:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39016 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229602AbiJCWlo (ORCPT ); Mon, 3 Oct 2022 18:41:44 -0400 Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EAC831A834 for ; Mon, 3 Oct 2022 15:41:42 -0700 (PDT) Received: by mail-pg1-x534.google.com with SMTP id q9so10885450pgq.8 for ; Mon, 03 Oct 2022 15:41:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date; bh=0AA5mVx1sjanEJNpz1kP1A24AwPL5AGSN+ESikM8G4M=; b=VA2wkSxhEFL+eKy/lIFXjIKz1DzSfgSEefJ5rtjsj1q3frLFZQ6mzW1Ed9JI45s1Et XmjWZkilsyMHSNjclxEoFDGnZTfYZDl+r9V2QIu6bDOLlLa4Kuu+OuF8h52H5ga/S4EA 6TZdBYRGEkRcIyvWs1l2snBK2VDH6Lsko7fGI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=0AA5mVx1sjanEJNpz1kP1A24AwPL5AGSN+ESikM8G4M=; b=kf8X0OSzxKsrCQyaLpAhJnt2I5eYaox7Qrn2qlv7FHVDLCBcdDms5BojYX1IVwaUeN WQKtMNGel1rLJEYk2wZ6ef+hd30Z8ZD7aGbpVQG1SNvGsdu6gY57XPJ+KCBja6wZApZ+ wjkBf9snpBRDA/GqA9G5QfTHyyXPf4rilMccrNVAZLKo1cr77POs4mw7sxccJB+E8F3n 9zo/hfAXBrYr0IPtSCU3kP5OmAePxZRkOttLV076pyoBnqr/7hObpAl92PGI/Wdpny/H KvB3DIzvrYq7Lb2sdnE5rI2bLzyzehdI6KXWkzBOR/tE3pnJ4rmDxw8/wnTwggvOcdN5 I8fQ== X-Gm-Message-State: ACrzQf3xQ/NjM74buEefZWnpCWKkqa91tvQHFiK5fuOptMJ8BVt7zntp Ha/iqowif9rcXYplPTjJjrvUJA== X-Google-Smtp-Source: AMsMyM6KFn3hsaPQ+/v9SY9Is1u0aX6T3pdbvPhrAobSs1cgE1Gpo2NXEvxIOkgpxZZP5yLEsTyAnA== X-Received: by 2002:a63:1f5f:0:b0:440:5310:4b0e with SMTP id q31-20020a631f5f000000b0044053104b0emr19679572pgm.293.1664836902512; Mon, 03 Oct 2022 15:41:42 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id b13-20020a170902650d00b0017d665117dasm5499305plk.150.2022.10.03.15.41.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Oct 2022 15:41:41 -0700 (PDT) Date: Mon, 3 Oct 2022 15:41:41 -0700 From: Kees Cook To: Rick Edgecombe Cc: x86@kernel.org, "H . Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Borislav Petkov , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H . J . Lu" , Jann Horn , Jonathan Corbet , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V . Shankar" , Weijiang Yang , "Kirill A . Shutemov" , joao.moreira@intel.com, John Allen , kcc@google.com, eranian@google.com, rppt@kernel.org, jamorris@linux.microsoft.com, dethoma@microsoft.com Subject: Re: [PATCH v2 31/39] x86/cet/shstk: Wire in CET interface Message-ID: <202210031539.CD26B37269@keescook> References: <20220929222936.14584-1-rick.p.edgecombe@intel.com> <20220929222936.14584-32-rick.p.edgecombe@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220929222936.14584-32-rick.p.edgecombe@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 29, 2022 at 03:29:28PM -0700, Rick Edgecombe wrote: > The kernel now has the main CET functionality to support applications. > Wire in the WRSS and shadow stack enable/disable functions into the > existing CET API skeleton. > > Signed-off-by: Rick Edgecombe Reviewed-by: Kees Cook -- Kees Cook