From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 34D08156D9 for ; Tue, 2 Jan 2024 18:27:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="VeHJCx+X" Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-1d42ed4cdc7so10225ad.0 for ; Tue, 02 Jan 2024 10:27:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1704220056; x=1704824856; darn=vger.kernel.org; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:from:to:cc:subject:date:message-id:reply-to; bh=b1iJ/PC7NOmh51+I0K/ABUi5e6j/sV3yKrMrNMnzSm4=; b=VeHJCx+XC6NsVNtSDdq4nzwvE5QLApzOSD3LC6QAiks6l6hgrneosAL3sAgaVMOOES 8xHWKo0JZEBjfYgcBsaMy18H6oySwAleAgY7IswYQH3DVw8G/rgTtuBvHFgIXevnakL8 Qd4GsIICEk5UyprNbn3nuuHBuQXPl61VEtIa9I251HIvtMjat5Qwr3gR01Rthlg5aDvh MP5KZel/e8SAM18eXoS8BJRvF1FGpaxrOQTBQfJCpget5NIcUAVfH7w8J8uDBQQ+YFlL ZrpYAe6VmpVu2quIXJu4qJCrc55WTmabsdBasWnxEXpkc1U+mX6eexIkTmv+biC7oYl7 K4Kg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704220056; x=1704824856; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=b1iJ/PC7NOmh51+I0K/ABUi5e6j/sV3yKrMrNMnzSm4=; b=rzkBM2ZHo3dsm12BjV2VdTsYBjT1JXyxfh9Z4JZzUgckI5RDFLMyWxCE1BL7wazk3r raXWVUC86UUlI9nJDvfrxPAR6BJ+LXOJERCrqiCHXkKu9NoUUitOqGJw091PLOG/Y7mX SiUHVkgeLuyKA6W9ecduqgk2qJC3Gj3/a23/1NbH81NV6clj+eb8V0mjJR0fOOJZiX/Z RyrYUNT3lHeSvgrbqsRju39DeoDUgzLuEb4TTgvC6T06pyPzZQb5fFKD7Q3Y1WguHbQk UMjU5gy6MYcIiKmIzqtH+V++/ZDI7hJec2qOZoFYRc4GbRmhRy2q7ixggp/JmBTw1DML sRDw== X-Gm-Message-State: AOJu0YwnriBNEuMvJXvpOjNABuaxNn932HUuaNbBPJIjZ3i1p6PGocIW 7ar6+uvOrQ0NkgnkNNr1etj7isXBt2Gv X-Google-Smtp-Source: AGHT+IHOMqzyTbLqQB4plEq+ftykwfP/uDMXWaZhiDtsDLQcXDc5u4n5HeAdTpYbKpwo+95Zpg48bg== X-Received: by 2002:a17:903:1106:b0:1d3:6f65:e332 with SMTP id n6-20020a170903110600b001d36f65e332mr1173410plh.27.1704220056231; Tue, 02 Jan 2024 10:27:36 -0800 (PST) Received: from [2620:0:1008:15:c73b:7876:89ec:9102] ([2620:0:1008:15:c73b:7876:89ec:9102]) by smtp.gmail.com with ESMTPSA id b24-20020a17090acc1800b0028ce507cd7dsm878217pju.55.2024.01.02.10.27.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jan 2024 10:27:35 -0800 (PST) Date: Tue, 2 Jan 2024 10:27:34 -0800 (PST) From: David Rientjes To: "Kirill A. Shutemov" cc: Paolo Bonzini , Wanpeng Li , Vitaly Kuznetsov , Sean Christopherson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Tom Lendacky , x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86/sev: Fix SEV check in sev_map_percpu_data() In-Reply-To: <20240102133747.27053-1-kirill.shutemov@linux.intel.com> Message-ID: References: <20240102133747.27053-1-kirill.shutemov@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII On Tue, 2 Jan 2024, Kirill A. Shutemov wrote: > The function sev_map_percpu_data() checks if it is running on an SEV > platform by checking the CC_ATTR_GUEST_MEM_ENCRYPT attribute. However, > this attribute is also defined for TDX. > > To avoid false positives, add a cc_vendor check. > > Signed-off-by: Kirill A. Shutemov Acked-by: David Rientjes