From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 18FB01643A for ; Tue, 16 Jul 2024 18:51:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721155899; cv=none; b=U8Jl0PDEDVzZKRXhAPOKBFuCKmbqdM1skLBUzl2HB3zPnPwXZKH266wh6xhDDA8z0t+CcHkuJFJO5KTr0EQFlDW6hg5qg16fLmhq6kOCaAipL5sMO+bQOvm2RLT0qr62T7+fzfiYzw/do4fs677wlTdsheE1mNNelgqi1kpVi0w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721155899; c=relaxed/simple; bh=tfVJ/+1KbYj1S9wQiiqJ/Wfrv4cX0tlJjh3DxE8BYEM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ZQnJnVwM/4YNvGX4RZLFtuOttm4oc32wf3S/jtr5rwoCfaxhBxv3orU0N3j3THEC1TqosYw/VR5CpBNqOwHHdvhrQAN8iaIiH+XsjS4BPq9jj1CV05ly/JoNr0rPKr7vtjAfDlxxttQXNZx18jYiDxAWBiKvecGP9QTpjovurcI= 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=dKiHe2IU; arc=none smtp.client-ip=192.198.163.14 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="dKiHe2IU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1721155898; x=1752691898; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=tfVJ/+1KbYj1S9wQiiqJ/Wfrv4cX0tlJjh3DxE8BYEM=; b=dKiHe2IUwyi2F2TbxXUAlG4HaSUPNmgq11olNacC9YOe0yvFiSG2uP8+ E+/Dypv0Av8f8/1P2SFLAB+KEFUr8e+jPpxzsLUqsXqIr7lacmGNl4FC1 BG0UrFd3hJDXxxKtoTaRuXWLbm07CICa6HGHa6WBWYJx1wXnWZanjAa7t EiRHNx5eZJBAYoySqhcjspRbZ84agf6MNZpRc47VbN8yB61i5C3CpqLDC lQZlUKRftsNkXXFbDhfN7KYzD2qLeTZPQCnaW2fT0e2IBQOgB0mPksBT7 Lt9hfjqz01uMad1BbchbgWgYw6PQ2G0XuZFjCS3EVKJWGmeqs4CPrdpvo g==; X-CSE-ConnectionGUID: ts2ul0iLSI+SCBZoxEh3Hg== X-CSE-MsgGUID: e6Y+7ib5TKyXb0+wZyJv1g== X-IronPort-AV: E=McAfee;i="6700,10204,11135"; a="18815587" X-IronPort-AV: E=Sophos;i="6.09,212,1716274800"; d="scan'208";a="18815587" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2024 11:51:37 -0700 X-CSE-ConnectionGUID: dalCEvOVQzeqUUkz5v69Kw== X-CSE-MsgGUID: NFSXBK03TzmYAUK89QQWpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,212,1716274800"; d="scan'208";a="54440322" Received: from alicebur-mobl.amr.corp.intel.com (HELO [10.125.98.21]) ([10.125.98.21]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2024 11:51:35 -0700 Message-ID: <97041043-7198-4044-b1ec-f4865f614cf2@linux.intel.com> Date: Tue, 16 Jul 2024 11:51:23 -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 v3 01/10] x86/bugs: Add a separate config for GDS To: Borislav Petkov , Breno Leitao Cc: Josh Poimboeuf , mingo@redhat.com, Thomas Gleixner , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Peter Zijlstra , Pawan Gupta , linux-kernel@vger.kernel.org References: <20240422165830.2142904-1-leitao@debian.org> <20240422165830.2142904-2-leitao@debian.org> <20240712172132.GFZpFmHBJHte2xS1fr@fat_crate.local> <20240715121703.GAZpUTP-8TJpZBCWne@fat_crate.local> Content-Language: en-US From: Daniel Sneddon In-Reply-To: <20240715121703.GAZpUTP-8TJpZBCWne@fat_crate.local> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 7/15/24 05:17, Borislav Petkov wrote: > On Mon, Jul 15, 2024 at 05:14:54AM -0700, Breno Leitao wrote: >> Sure, I will send a v4 and get rid of GDS_FORCE_MITIGATION completely. > > I'm actually waiting on the people on Cc to chime in whether we really need > it. The three distro configs we checked, don't set it. > If no one is using it I don't see any reason to keep it. It's just cluttering up the code at that point. End users can still set gather_data_sampling=force anyway.