From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 D8EDD360 for ; Thu, 29 Aug 2024 00:01:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724889683; cv=none; b=HKokX5BrOWAi0gLs8Jdp2rWUVHB47hXyN7HQXlCPGKxhmfsCJ+VoQ/C7qSIdgL79VjK4Uq6VJK3ARTRs8MqlBLHUNXaRTJb9NJe1rrtq3wtrfvEnfOuR+IZCBUPFoyyjFq7Ss4jwfEZ2K3sYe4691KeaNzGJRKXcSRpscToKPAY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724889683; c=relaxed/simple; bh=GjbzIuAlthsXz27K5RH+SfP2AqIbwbU2yVfqjSwCkD8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ljkYn2AoT7j8gn5MEfBJzRvMLQXe/xS/8Ev5AzNoTaqAcNiBZMPoXJCffqVde1rKuuYeY/ZrE4QE4S7JcEddulTC/y2nvddvuECdmoSImByi7xYVNs7fv/4p2/3NZg/8h4fexya1Bpv8jiS2ZEvONTrqQDRpWs5SwWZh600fB5c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dEhsA3CW; arc=none smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dEhsA3CW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724889682; x=1756425682; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=GjbzIuAlthsXz27K5RH+SfP2AqIbwbU2yVfqjSwCkD8=; b=dEhsA3CWeoI/12HkmWZRvDAePRlzm+ufGa2IFFD18/Pp7vu6c2Nzw4aJ mfLI9VbEYOdyzMTtVHJqnw6jl6/2zA6U+vIxxmpG/OVdoP5yhVWAqn6Ev v+kZCnPLEw5vqv0iO/nxaGRR/IKTB8PDSBw58kgEcSaU9UFRNhzDV9mBZ VOQqL4XTv438/h499eTWRivIVcNnLVQN8wI/FEbs9HdDJlLasamLqgztd wyiK2SPXu19gCkV+JRoQC4ORc5xJHwuUrBTTsmoPK9v0QNKfdYbeX/4lA VTiNLsxPqnMmNajRcpowq2X2+2E4gslhl5QgHUkVpRss5LSUFAJc3zyLz w==; X-CSE-ConnectionGUID: RukKH2MYTyCWHC6VM4Ws5A== X-CSE-MsgGUID: 5LK6E24/SWSVfsDVGxh7Og== X-IronPort-AV: E=McAfee;i="6700,10204,11178"; a="48836062" X-IronPort-AV: E=Sophos;i="6.10,184,1719903600"; d="scan'208";a="48836062" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2024 17:01:21 -0700 X-CSE-ConnectionGUID: aqLplJCLQ3Wx8KWYYBDddw== X-CSE-MsgGUID: AuNe0ePUT7qjG5UtAGJeGg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,184,1719903600"; d="scan'208";a="86589208" Received: from njkybert-mobl.amr.corp.intel.com (HELO [10.125.160.160]) ([10.125.160.160]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2024 17:01:20 -0700 Message-ID: <8538c0b5-fde8-4e54-be91-24bcfb31c7ab@linux.intel.com> Date: Wed, 28 Aug 2024 17:01:19 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] x86/bugs: Add missing NO_SSB flag To: Dave Hansen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" Cc: pawan.kumar.gupta@linux.intel.com, "H. Peter Anvin" , "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" References: <20240828224011.4043872-1-daniel.sneddon@linux.intel.com> <9e510f2e-4b11-4001-b6c0-7a3766b8abb4@intel.com> <4ff867b7-e5b1-4b91-87cf-127b2e908025@intel.com> Content-Language: en-US From: Daniel Sneddon In-Reply-To: <4ff867b7-e5b1-4b91-87cf-127b2e908025@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 8/28/24 16:54, Dave Hansen wrote: > On 8/28/24 16:50, Daniel Sneddon wrote: >> On 8/28/24 16:36, Dave Hansen wrote: >>> On 8/28/24 15:40, Daniel Sneddon wrote: >>>> 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. >>> It'd be really cool to add two things to these changelogs: First, who >>> figured this out and how? Basically, who cares and why? Second, what >>> public Intel documentation supports this change? >> The first thing I can do no problem. The second..... 🙁 > > Heh, I went looking just after I asked. These CPUs are ghosts as far as > the docs are concerned. I assume because they are end-of-life'd (or > whatever the proper name is). But even saying _that_ in the changelog > would be helpful. Will do!