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 AEA15188A01; Wed, 25 Sep 2024 11:39:46 +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=1727264387; cv=none; b=PPurbqYG1XOORrtCYiBkhqMlzWtCvmByzOODIov+aUxcsKI7JMZimZW5pOPr6qRCWsbPBvjO9N33LwGQMtmaQBk4nLVirm9EU39WL1A0AKABtEO+f0606whXNs7uxzocABhi8NhcUEIknoDo/DRsojN6Hmo7zkYHh44H6c5Re+Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727264387; c=relaxed/simple; bh=c5m3Bnbl5dphbPfrSx66MXOe3qY4VE3SBmFhPptmC+E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qTnEMUMcF4cCG3HOG6ApY8JwiX2pLpA1X9Fk9UkwHHTiKB95gIH3fY4HxR2FJ4tp+EqWemyGHI2N/dEMhFV25ZQuL3sU6wdA7WfwS+6I2jLxi0UstK1dAfQKRYeGpcnrgR/1pbIspZGyoa6IZXXI2Zy9Z6Jz5bxk6XG8d14N8yw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YwU5XQcw; 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="YwU5XQcw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 48D37C4CEC7; Wed, 25 Sep 2024 11:39:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727264386; bh=c5m3Bnbl5dphbPfrSx66MXOe3qY4VE3SBmFhPptmC+E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YwU5XQcw1D4njcSnWHfxwg3ylscrJpcZ1F8V3dGToO4CXUcXHvgII6XGZuil8wsin WZrj3Q3bIb2e1DwySDOCNqa79cZVkFrPmZapwFPl7MXwuAE3HIBdjryRJgbHR7Rbbm IyoCe+VpZ1we3vBwkSkGJQY5/wKGLxxYRrYB0W931jVy8Tkxm+PaaWBkjqMSTErnuR tzrSwVxyKcXTi3ngXqzckmS+ogtV42ezqFbmeFgv6P4vwEFOX5QN54+Mloyl27YTjC Uk2lD4JuQ1mFRBiG3Pq9dtP56OB23YEcvgxu6WAeEZvkEtdltMlJfjB5viqIpcpfsC 46c2AcFz2ZNQg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Daniel Sneddon , "Shanavas . K . S" , Borislav Petkov , Sasha Levin , tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, peterz@infradead.org, vegard.nossum@oracle.com, tony.luck@intel.com, pawan.kumar.gupta@linux.intel.com Subject: [PATCH AUTOSEL 6.11 077/244] x86/bugs: Add missing NO_SSB flag Date: Wed, 25 Sep 2024 07:24:58 -0400 Message-ID: <20240925113641.1297102-77-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240925113641.1297102-1-sashal@kernel.org> References: <20240925113641.1297102-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.11 Content-Transfer-Encoding: 8bit From: Daniel Sneddon [ Upstream commit 23e12b54acf621f4f03381dca91cc5f1334f21fd ] The Moorefield and Lightning Mountain Atom processors are missing the NO_SSB flag in the vulnerabilities whitelist. This will cause unaffected parts to incorrectly be reported as vulnerable. Add the missing flag. These parts are currently out of service and were verified internally with archived documentation that they need the NO_SSB flag. Closes: https://lore.kernel.org/lkml/CAEJ9NQdhh+4GxrtG1DuYgqYhvc0hi-sKZh-2niukJ-MyFLntAA@mail.gmail.com/ Reported-by: Shanavas.K.S Signed-off-by: Daniel Sneddon Signed-off-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/20240829192437.4074196-1-daniel.sneddon@linux.intel.com Signed-off-by: Sasha Levin --- arch/x86/kernel/cpu/common.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index d4e539d4e158c..be307c9ef263d 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1165,8 +1165,8 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = { VULNWL_INTEL(INTEL_CORE_YONAH, NO_SSB), - VULNWL_INTEL(INTEL_ATOM_AIRMONT_MID, NO_L1TF | MSBDS_ONLY | NO_SWAPGS | NO_ITLB_MULTIHIT), - VULNWL_INTEL(INTEL_ATOM_AIRMONT_NP, NO_L1TF | NO_SWAPGS | NO_ITLB_MULTIHIT), + VULNWL_INTEL(INTEL_ATOM_AIRMONT_MID, NO_SSB | NO_L1TF | NO_SWAPGS | NO_ITLB_MULTIHIT | MSBDS_ONLY), + VULNWL_INTEL(INTEL_ATOM_AIRMONT_NP, NO_SSB | NO_L1TF | NO_SWAPGS | NO_ITLB_MULTIHIT), VULNWL_INTEL(INTEL_ATOM_GOLDMONT, NO_MDS | NO_L1TF | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO), VULNWL_INTEL(INTEL_ATOM_GOLDMONT_D, NO_MDS | NO_L1TF | NO_SWAPGS | NO_ITLB_MULTIHIT | NO_MMIO), -- 2.43.0