Received: by 2002:ab2:6991:0:b0:1f7:f6c3:9cb1 with SMTP id v17csp382923lqo; Wed, 8 May 2024 02:44:37 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCUviT8iENunMUXVl/T+l3bKp1nmb43iEvh78u4g6BCVHiSjpGnlP1/ilGuYMu0Y37n2/QpOJt8JfQiSBAvpV+OwpqbxWdjqUwcCDpA92A== X-Google-Smtp-Source: AGHT+IFLODZ56i6NYg2h0HiRSotIoe7bYwXMMCcthumGRo9Rf+6lIZa2VFaPCEfUcJlBetW9Ztu3 X-Received: by 2002:a05:6a21:1f27:b0:1aa:a6cc:39c5 with SMTP id adf61e73a8af0-1afc8d1aa59mr2394607637.7.1715161476948; Wed, 08 May 2024 02:44:36 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1715161476; cv=pass; d=google.com; s=arc-20160816; b=WdJc0Vbu7cWcKZ+VN4X4yPzT8+UxRQuDJGz1HK5i1EDtIacDSQ5BJJU9X0YP5rgnFv y9jPvY+yiRnGPBSaRYmQgVp2Rvld9F9UFpBYJjwrXR0vAgSqiwKEVwQQ094+3IkC2uPn 198xeBU8wfutIi6dYiVECeFPDKJlJnSzjs8ZEp0VuMuMDr18nhTqm+1Z65Fs+L7/wDHE Scx2ObdjMlHxFZhyeVWL25+C1j3KWZqjx82O1Hi/fkXAKjBDtxxRZqaJL3HKcDd3eNBT Vvi5nCiGLPNINZ4BjtIshS1dYM+nG3CCsfh/t/eqCwQv/YY0iWhzJb3mgrQgg0oa3hcF Lglw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:list-unsubscribe:list-subscribe:list-id:precedence :references:message-id:in-reply-to:subject:cc:to:date:from :dkim-signature; bh=6wsfcZ9PD3O60NFggGuG6M+69JGB4XUFlp2GgNb2zLo=; fh=l0j8qJTpKMzZ4FkE9hM4S6fq2/WVm07gacHSN0jCzeI=; b=a+5hqQ767IeebIg3VeEeMAdj8UjurM15xUnj5TDPXlMiixGeI1Wa1sk+jF8Og2Fuxs kv6b9BvDfjiff8tlBYhzce/Gw8uyJfSG2O5siMc7GllxFGzqNjsNGCpdiB1QJwymHAHU Sv+C7+ZG6Qp+ZbKYGkAxpDZgtsYEprS6YR3BgPtO1SJtpFC19aYxX4hEh1+Y3zbBnXiw uuOulIWIk3x+33ki2oQR82onYNiVgPvDsAtvyJhwJF/gRHU/CeJObYglusZlCegYi0kI WO53uiUhbp4fjQABY2rn7GZaL3KG5ujgZVGFjm7ML9FctheGJdRvtiKq5ggF4bPsLjTe IMWA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=d2DrG6QJ; arc=pass (i=1 dkim=pass dkdomain=intel.com dmarc=pass fromdomain=linux.intel.com); spf=pass (google.com: domain of linux-kernel+bounces-172910-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-172910-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id l8-20020a170902f68800b001dd38bd5f72si12584370plg.614.2024.05.08.02.44.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 May 2024 02:44:36 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-172910-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=d2DrG6QJ; arc=pass (i=1 dkim=pass dkdomain=intel.com dmarc=pass fromdomain=linux.intel.com); spf=pass (google.com: domain of linux-kernel+bounces-172910-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-172910-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 22EC8286562 for ; Wed, 8 May 2024 08:28:31 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 405D647A64; Wed, 8 May 2024 08:28:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="d2DrG6QJ" Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 B72031A28B; Wed, 8 May 2024 08:28:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715156903; cv=none; b=PL910Dcei9HY702ohLzjEkRUukWGmBkdZecUDFxCDEsBAoAS7+OPikkXUjL9cJhy4T7YYn1eL6kZTq6SLCtAp5ZQVrMBgIPx40WLacEYfPPLi9gNLgB1eXNUTXQocLToSY1W7p31u4YpzoEjwvn934kSiCsrJM2lr9hOoTokg7g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715156903; c=relaxed/simple; bh=L1Lspn0M8w8szRsrIq5g4DMduLChT+SxYoYpT6S+K4I=; h=From:Date:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=BGhfiC2FH/iQdV/T7784B+bfY/Z7exVZwRjyVZZyz+BGSL+ZSRiLiTPnSorkVcl6idaCksjNYxH/AAcn1wtzT1zznKrlDGdKiitNwNhdeH1Ah567d2mMGQwH0SrlpfDEJJ0A9Bb4u2t0GfhEAX9N8o32cDn6kP+0IFxsJlzKwbY= 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=d2DrG6QJ; arc=none smtp.client-ip=198.175.65.11 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 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715156903; x=1746692903; h=from:date:to:cc:subject:in-reply-to:message-id: references:mime-version; bh=L1Lspn0M8w8szRsrIq5g4DMduLChT+SxYoYpT6S+K4I=; b=d2DrG6QJYWIAup9z6Y0G/zbkCBikUx6V41LU3lZ+FRZ6xVWkn8eL07dP 7i4NGWSM2r37wwtTqG+lii3tlG1Z4I7sz7KJLKxhf/TbgTwkXRRkM82oe NwNF9SwizR6csQb3q7Hq56TsTzcdWeXXXtaPvl0gA/mQH5xKMtOY3M020 NCbANzXz8+P/Qv3ZC5u6jp6nYbamsyGNu2oS/bIqqFAzHAnkUI/0o6XeF i2ctnVf1dy8TI/JN5cZSwY8Mb2QhYEIRNVANROUeMJwpHM2dG/3rYnSH+ KVOErW+xqNgISYyLeP/Pm2bRENZaXngxGqLWhhGhGZYVHcyjiMktNaUE6 g==; X-CSE-ConnectionGUID: vUeseLJmRQSPLM/G1CYrBw== X-CSE-MsgGUID: dkmBrYyvT1yaZq5O4X/l5w== X-IronPort-AV: E=McAfee;i="6600,9927,11066"; a="21563903" X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="21563903" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 01:28:21 -0700 X-CSE-ConnectionGUID: cg70KTtxQXKU9tWoogn3Zw== X-CSE-MsgGUID: siTQPQqARdu8IGyJ0ibx9w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,144,1712646000"; d="scan'208";a="28680769" Received: from ijarvine-desk1.ger.corp.intel.com (HELO localhost) ([10.245.247.80]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 01:28:15 -0700 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Wed, 8 May 2024 11:28:10 +0300 (EEST) To: "Chang S. Bae" cc: LKML , x86@kernel.org, platform-driver-x86@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, Hans de Goede , tony.luck@intel.com, ashok.raj@intel.com, jithu.joseph@intel.com Subject: Re: [PATCH v2 0/2] x86/fpu: Extend kernel_fpu_begin_mask() for the In-Field Scan driver In-Reply-To: <20240507235344.249103-1-chang.seok.bae@intel.com> Message-ID: <80023e25-e582-e0aa-7428-ee17fecdbcef@linux.intel.com> References: <20240430212508.105117-1-chang.seok.bae@intel.com> <20240507235344.249103-1-chang.seok.bae@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="8323328-1145016416-1715156890=:3164" This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --8323328-1145016416-1715156890=:3164 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: QUOTED-PRINTABLE On Tue, 7 May 2024, Chang S. Bae wrote: > Following feedback from the previous posting [1], this revision comes > with the changelog updates for more clarity: >=20 > * The recent change in the SDM alone does not fully explain the > underlying reasons. Provide a clearer explanation rather than simply > echoing the SDM text. >=20 > * While it is feasible for administrators to isolate CPUs running the > In-Field Scan tests from those running AMX workloads, this approach is > considerably disruptive and conflicts with the goal of its live > testing. Add this point to the changelog as well. >=20 > Thanks to Dave for highlighting these aspects [2]. Additionally, it is > worth noting that the IFS Technical Paper [3] was recently published, > which may offer further context on the IFS testing. >=20 > Thanks, > Chang >=20 > [1] V1: https://lore.kernel.org/lkml/20240430212508.105117-1-chang.seok.b= ae@intel.com/ > [2] Feedback: https://lore.kernel.org/lkml/a41d7012-2eea-436e-9f7e-6a7702= f7e2c2@intel.com/ > [3] IFS Paper: https://www.intel.com/content/www/us/en/content-details/82= 2279/finding-faulty-components-in-a-live-fleet-environment.html >=20 > Chang S. Bae (2): > x86/fpu: Extend kernel_fpu_begin_mask() to initialize AMX state > platform/x86/intel/ifs: Initialize AMX state for the scan test For both patches: Reviewed-by: Ilpo J=E4rvinen --=20 i. --8323328-1145016416-1715156890=:3164--