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[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> ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1664836903; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=0AA5mVx1sjanEJNpz1kP1A24AwPL5AGSN+ESikM8G4M=; b=bm2YCDU4FUBoUcagu/vOlZN/EhdrEYYLwWmnD7D7buRAkJT115H81tOAomdfIgPI3+yFuV IqGmYFZvRnZCIdwVGiJ2wkFxWXKFNF0sdQgftvTEuPmzxCf9canN0jKFf8kRYuK91AhKwb xhCScKGmq1EyLC6BNuhCw78gSMo3YpU= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=chromium.org header.s=google header.b=VA2wkSxh; dmarc=pass (policy=none) header.from=chromium.org; spf=pass (imf07.hostedemail.com: domain of keescook@chromium.org designates 209.85.210.175 as permitted sender) smtp.mailfrom=keescook@chromium.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1664836903; a=rsa-sha256; cv=none; b=xj8hKWfgTYotqH03s8+DmL9a8/FlJH3F8ezDM0qn+4CduRBdUvdjoxcIv4PMTZXNQL2tzS n6hX7gyB6r4S4WoUvVRDGuzRWAOpo8VUw89EalpucEHSuXSbAcs50Uw60wynUi7TUhmKcL IOxEvdwlszgbBddTps1Di6JZynQ0raE= X-Stat-Signature: d45qdn4bstebjdwu16sie7m4to7kw7x7 X-Rspam-User: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 7402B40005 Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=chromium.org header.s=google header.b=VA2wkSxh; dmarc=pass (policy=none) header.from=chromium.org; spf=pass (imf07.hostedemail.com: domain of keescook@chromium.org designates 209.85.210.175 as permitted sender) smtp.mailfrom=keescook@chromium.org X-HE-Tag: 1664836903-203436 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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