From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 E908923BCE3 for ; Tue, 24 Mar 2026 05:31:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774330317; cv=none; b=mxH+qlfF5xhVezm3J3GFMVhAd/zQJbOJmT86hw6BDvWH4FCldfyOxsfO3LApNtGxuQhExyQCldEKpKWasJFD4CRthgFkcbtu53+gwbwke0du0OVLJINPPD1W/h/cBWBdD9JY7cF3WCDNGqy2Skvb95hRh8U7K5byg/gLtUXv6a8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774330317; c=relaxed/simple; bh=RuOVmcFujF9Tc5k2xlfFtyBgAS1cdd5ce6ML0XBXbS0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=G6s/8mIOU4UiZ7GN55ptEtS89RVIN6dW4pA109OTyPiBpdHFkyheV1Y0JTMje8LgC1WDUkDPiARgjkE163Xz8aCqU+0MsScSVfy3f7TLwZV0FZmSS87jxsRlCwuhhm1e5waE3sTgqipG3Y88IZit0niVnBXrCSlCgP54N5WUK/U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ETY9VW54; arc=none smtp.client-ip=198.175.65.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass 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="ETY9VW54" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774330315; x=1805866315; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=RuOVmcFujF9Tc5k2xlfFtyBgAS1cdd5ce6ML0XBXbS0=; b=ETY9VW54R926XpW6ltMx9CG5uHLluDImg/dRHoC6y3wTzrdAkbopY7xv 2Q13FgKps3ruiDN5PcgAam8ipsfxWgNyxn4d88SHtNxGCeejHjr0Qvg7W HoiwDQZ3cKoDXUvk27uOE2j/1UfZhCR1c+b3TrQD5f/SkQB/IuuQtDULf FQtbk7COh5ItGVHr99BNfMT3wZTDmQmHo4jRNypqKDRR9mOZLt0VEMWE+ Io4YEY2no2CwZsw11aN6i3EqFkdkndja6UmJyVOYZqi/YtOkgQT/ukB9A N9gjDlrS2HEecD3ZAUF4S2/IFjVAQ8mGWvPy2OpEfasL25uIWJOnbKC4K g==; X-CSE-ConnectionGUID: Z9oMrh33RImswmIwxKEXQQ== X-CSE-MsgGUID: 3Y/FEFQQSMqY+8Jnf9md5A== X-IronPort-AV: E=McAfee;i="6800,10657,11738"; a="86414589" X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="86414589" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2026 22:31:54 -0700 X-CSE-ConnectionGUID: YtLBIA7uQUmUG49WF7QhYA== X-CSE-MsgGUID: UvrK3qJFTtunlHID1aYfIQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="223325921" Received: from allen-sbox.sh.intel.com (HELO [10.239.159.30]) ([10.239.159.30]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2026 22:31:53 -0700 Message-ID: <4a68ee46-45ff-43bb-bda2-88badcc319ce@linux.intel.com> Date: Tue, 24 Mar 2026 13:30:41 +0800 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 1/8] iommu: Lift and generalize the STE/CD update code from SMMUv3 To: Jason Gunthorpe Cc: Will Deacon , Samiullah Khawaja , Joerg Roedel , Robin Murphy , Kevin Tian , Dmytro Maluka , iommu@lists.linux.dev, linux-kernel@vger.kernel.org References: <20260309060648.276762-1-baolu.lu@linux.intel.com> <20260309060648.276762-2-baolu.lu@linux.intel.com> <61267acf-e42e-4d1e-9942-e241ccffa606@linux.intel.com> <20260323125555.GC7340@nvidia.com> Content-Language: en-US From: Baolu Lu In-Reply-To: <20260323125555.GC7340@nvidia.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 3/23/26 20:55, Jason Gunthorpe wrote: > On Wed, Mar 18, 2026 at 11:10:12AM +0800, Baolu Lu wrote: >>> Shouldn't we move the SMMU driver over to this, rather than copy-pasting >>> everything? If not, then why is it in generic IOMMU code? >> Yes. I will start to do this from the next version. > I had written a draft already: > > https://github.com/jgunthorpe/linux/commit/ > cda5c27a4020d162948259df9d3c8dd61196290a Yeah, I will include this in the next version. Thanks, baolu