From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2EA862472A6; Thu, 9 Apr 2026 19:56:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775764580; cv=none; b=Kd94CTPt3Hcm0fx1anNGNHSxcGlSF87O8GgJu/0cRMk4EeZMZC6n91/s9veUKnM6MkE75Oe8SjQFV4Ro0RmzaEAkP6KuBfZy7OYHGqqXH/VpFXRZxetoR2Rssq9H5NNMbFO26jCGOnmPC7ZP5FsvttwoKlUywy6noIXawesdbRo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775764580; c=relaxed/simple; bh=AWsXnQv98fIRWxVfdx70zhiJpa6+Hdrpnsq8JUjO7PM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=TIfPO9Puf7QZnwgix8ZbkAQtO3MktQUAVDMXZTq+uOmmQtr3lYZIfhk/LYKKXkf4/PQ90ZZHQUg6A+xa6lt0/ujNDnoppKT1xeAQq5V0OctflTBtO5sHqUnN520xivRPNHEwYit7IOGVmXVB4WS0HkNMmVLMqwUlX57q/yZUI8Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oUowbXXw; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oUowbXXw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5BA8FC4CEF7; Thu, 9 Apr 2026 19:56:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775764579; bh=AWsXnQv98fIRWxVfdx70zhiJpa6+Hdrpnsq8JUjO7PM=; h=From:To:Cc:Subject:Date:From; b=oUowbXXwJ8tET9Zf5u1wpTdll+QBnDwkiDIE52cEaL+lGUVZROjvrrRm5mS2eSNn5 YfhYJBGVe88QG53GxjNrtYWEVWAimSLjNwP5wpMxRmACYWEnBQGV8k3icJSrddkCk1 ZSN9XJGH3JKOs/w0JiQz/6nGpVx2pPqBjbF9RDdl+j/Tg2bBe3ysapJJzwJ49NJK7D ZpepKvWTTrmjMjGl36GE3bRrwxAjNI5rwg/2E5PDrvDIufuNv47/04HO/khJnSJObQ nkt3IuUzMirbd+ISNJg9JNpfgjYZpZZUwxIRwsPjfnnMd21+hDageQkOXm03vkVG9S dwODzNXW0jXDw== From: Tycho Andersen To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Ashish Kalra , Tom Lendacky , John Allen , Herbert Xu , "David S. Miller" , Ard Biesheuvel , Neeraj Upadhyay , Kishon Vijay Abraham I , Alexey Kardashevskiy , Nikunj A Dadhania , "Peter Zijlstra (Intel)" , Kim Phillips , Sean Christopherson Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, "Tycho Andersen (AMD)" Subject: [PATCH v3 0/2] Skip SNP initialization if CPUs are offlined Date: Thu, 9 Apr 2026 13:56:00 -0600 Message-ID: <20260409195602.851513-1-tycho@kernel.org> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Tycho Andersen (AMD)" Changes are: * add some newlines * move error setting into cpumask check * head off AI review complaints by adding the note about SNP failing all initialization previously to commit message of patch two * drop mention of reasons for snp_prepare() failure from commit message of patch two * carry review tags as appropriate v2 is here: https://lore.kernel.org/all/20260407174713.439474-1-tycho@kernel.org/ Tycho Andersen (AMD) (2): x86/sev: Do not initialize SNP if missing CPUs crypto/ccp: Skip SNP_INIT if preparation fails arch/x86/include/asm/sev.h | 4 ++-- arch/x86/virt/svm/sev.c | 18 ++++++++++++++++-- drivers/crypto/ccp/sev-dev.c | 4 +++- 3 files changed, 21 insertions(+), 5 deletions(-) base-commit: 6c927e5ca9d238f8ae40b453a8382eb9cf4ee855 -- 2.53.0