From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5A7DC433F5 for ; Mon, 28 Mar 2022 22:43:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230060AbiC1WpE (ORCPT ); Mon, 28 Mar 2022 18:45:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230118AbiC1Wox (ORCPT ); Mon, 28 Mar 2022 18:44:53 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C050A8EE3 for ; Mon, 28 Mar 2022 15:43:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648507391; x=1680043391; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=dGBkA2wzKCxxRszSguxFPvOan/QZFJYt4C3EW6Xk4W0=; b=R4ZILREbKJEX4UM+ZUZx23mAjQ7WFW5NZpeDRtDvdmGshYmeLfeXMZ62 fF/rgCJ71ZTjR7NM4j9U9E9QZVRojvJSYB8JLo+5HtY7jauF72KoT0p9z K19aZ/HN8JKOTiU2gntStkpc7v4VLTE8BnxH1SkELlQvZxYCX1vNthZ0M PnXsJxJYMttB9/32nODTRJgTYzKugsSUyMz/cqUYajv3+Rs/u1N4sGHXx JmAoARI+InCDFjyXRTQKhsGJnd/DxOChnYEx5wzHLKmFEl0n39VdvrG8V JthmnHvC0Gb+WJCzS+2B+NbB1jciu9IbjUI+zDz+lEtxzKb+EJaPcmHw0 g==; X-IronPort-AV: E=McAfee;i="6200,9189,10300"; a="322301424" X-IronPort-AV: E=Sophos;i="5.90,218,1643702400"; d="scan'208";a="322301424" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Mar 2022 15:30:09 -0700 X-IronPort-AV: E=Sophos;i="5.90,218,1643702400"; d="scan'208";a="546137025" Received: from otcwcpicx3.sc.intel.com ([172.25.55.73]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Mar 2022 15:30:09 -0700 Date: Mon, 28 Mar 2022 15:30:04 -0700 From: Fenghua Yu To: Thomas Gleixner Cc: LKML , x86@kernel.org, "Chang S. Bae" , Paolo Bonzini , Tony Luck Subject: Re: [patch 0/7] x86/fpu: Cure supervisor mode (ENQCMD) fallout Message-ID: References: <20220324134548.432837672@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220324134548.432837672@linutronix.de> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Thomas, On Thu, Mar 24, 2022 at 02:47:07PM +0100, Thomas Gleixner wrote: > It builds, boots on host and guest, but is not yet extensively tested. > Testing with a AMX + PASID enabled machine has not been done at all as I > don't have easy access to such a beast. I run many copies of dsa_test [1] (i.e. multi-threading and multi-tasking) to stressfully exercise FPU PASID state context switch on native. No issue is found so far. 1. https://github.com/intel/idxd-config Thanks. -Fenghua