From mboxrd@z Thu Jan 1 00:00:00 1970 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="d2DrG6QJ" 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--