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 A022A290F for ; Wed, 19 Mar 2025 02:00:41 +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=1742349642; cv=none; b=TeyZKkJWmghWFkjFSmWOTaYPSi/GVK9vSoA+KrTAFuPAVCDfb43RVAzJbGRU3BKmQoAWz5T4LnA1FVaZYCIfksj9ir9MWSBAYVJIqjG2TckWF56sd3klrOnJYuIASKRqjDOyPRexvHxPtXimfWyq5PJW9r9dmc2TgaQlH8W98Hs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742349642; c=relaxed/simple; bh=mdhc3gvaBZE0ncHQBJsgk6WgpOd6R6+YjCnKID6VLo0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=lVaGhpOZ65Z4d88B+cLmdR5fzJoeUnOKC4r82QINNj9183+UOpq6kwo4avB+wbybGRVyd27ibwZywRjCLPiDH3cLSkqrrYqR8hc8ZhgltCXgTotQMIr/LRMWVRYhV5lRPjkJ5i+qrv9qtjSJMHxfovg5CIZjwjdh8ANBy6pODpE= 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=c6PRsOAp; 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="c6PRsOAp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1742349642; x=1773885642; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=mdhc3gvaBZE0ncHQBJsgk6WgpOd6R6+YjCnKID6VLo0=; b=c6PRsOApPeig5VEx2Qjz44XkoD9NmAgNHUjDkxqZGo5aKP8bxCliNO84 aeEdIzl9pyV0/ygjZp78/HNkJ8OlfglzyVwbZeQSTu7M77lRqqqGWXkZB MdUSRXsAKsDbctBdn7nUoi7+6aQCtBcEFwxyHMsfwDZvfl2UQ2oB0R0Sp 14ryXb0d/+TWFPWYYBHSCwHfQGIkjvVVqpsp5l5dMabCqSypVVIBrAYAs 1o9wgN2RdZVmjxccJRey2/heiz/kXzvVYBvzWi3yIhF1ud9WQM3Ye9I21 MTVcStkjKTBD2uweUoEQ/YTz53YUQAoXsa1vHxwuYC2WXLQXWtMGLmbET A==; X-CSE-ConnectionGUID: H2+7NW4VTkKuS2vUQWocvw== X-CSE-MsgGUID: +rSAXRlCTTmBOKWgj9tRvg== X-IronPort-AV: E=McAfee;i="6700,10204,11377"; a="53734979" X-IronPort-AV: E=Sophos;i="6.14,258,1736841600"; d="scan'208";a="53734979" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2025 19:00:41 -0700 X-CSE-ConnectionGUID: NNGeby3BR4yylUZW/VqFTg== X-CSE-MsgGUID: wjRSsQ56TSiXVb7PzNwMYQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,258,1736841600"; d="scan'208";a="123186021" Received: from allen-sbox.sh.intel.com (HELO [10.239.159.30]) ([10.239.159.30]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2025 19:00:39 -0700 Message-ID: Date: Wed, 19 Mar 2025 09:57:12 +0800 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/2] iommu/vt-d: Fix posted vCPU vs. posted MSI bugs To: Sean Christopherson , David Woodhouse Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Thomas Gleixner , Jacob Pan References: <20250315025135.2365846-1-seanjc@google.com> Content-Language: en-US From: Baolu Lu In-Reply-To: <20250315025135.2365846-1-seanjc@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 3/15/25 10:51, Sean Christopherson wrote: > Fix bugs where using posted MSIs will clobber IRTEs that are configured to > post IRQs to a vCPU, and where undoing vCPU posting fails to put the IRTE > backing into posted MSI mode. > > Sean Christopherson (2): > iommu/vt-d: Put IRTE back into posted MSI mode if vCPU posting is > disabled > iommu/vt-d: Don't clobber posted vCPU IRTE when host IRQ affinity > changes Queued these two patches for the iommu tree. Thank you! Thanks, baolu