Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp5904152rwb; Mon, 5 Dec 2022 05:45:35 -0800 (PST) X-Google-Smtp-Source: AA0mqf7REfqnZF19rSOtwnKwLd43ns2eei2YcrmLULDg0HKr4kw8FEXCHxP++/om/uK4pfQaP5Ke X-Received: by 2002:a17:906:a08e:b0:7ad:79c0:5479 with SMTP id q14-20020a170906a08e00b007ad79c05479mr825750ejy.392.1670247935218; Mon, 05 Dec 2022 05:45:35 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1670247935; cv=none; d=google.com; s=arc-20160816; b=ii0Ep4pOMSBck8D+Ibw9ZSnPQEXFEWUM5IDLeK4d+5jYKG4Sr2cWVsnaw4mklO51bW F//qEXJZfgc6iBtbc26jkgANHkM6hamvWmukncZJ4wb57wPt/eLJCEjU5naYM087NwvV 4x63WEpMSB+D1laugD80jrW86c3m17P4/SL7J7KNaOClDQGKLtsAglmI+AXm/lqjLL1L lVHY34XP4/RY1NAxlOX+HvzjMCy5ZFkb9am93wnOyVJUbpNqD7X4o4X4bilu/MJnziNJ TM/2mbnLpZaxdxgEy2AoQfPAos+OeEW66+nGx8w8WUQRqlTxPP0Lmr/fGJHz+neDVppZ 7u1w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=rpzAXh+QLifHORD6rjXf9dW36rPzX1ZQcaCW9a3lBP0=; b=AgjOSLSb/p5RfRmU6NLFfksPrCuIO47gbPjsfIh732c0xRXn3yqC1TL9ar5IplB6qn U45ZMJHl2tE3WVIJvHO1Gk6sc2HKPdgkPp53RzX5wd0zVJoQmu4JH+dfRQJ6nVoe3Ej+ I130o/rTbrEdVxIX2T3SB+zl0Mu4sxVcDmkVzBVn+gBvurgYQjtw/H1qg70TySPlb+Xd zyyu00Je1/eXaah8u9IMdwJNkjFa63Pq1DSrfr71y9dD/oZa+kyxCgTrRQMJncPd5Xja 5Vple63YqsfJOBDcBQImlXtcQGYlV9pTxRKNjoLVH/MLQ9cT4TSweuwAhDl0/NunztVy hTCQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@8bytes.org header.s=default header.b=hif7a7SK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id x16-20020aa7dad0000000b0046ad8dfcfbasi10209862eds.344.2022.12.05.05.45.08; Mon, 05 Dec 2022 05:45:35 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@8bytes.org header.s=default header.b=hif7a7SK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231924AbiLEMo5 (ORCPT + 82 others); Mon, 5 Dec 2022 07:44:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231908AbiLEMoy (ORCPT ); Mon, 5 Dec 2022 07:44:54 -0500 Received: from mail.8bytes.org (mail.8bytes.org [IPv6:2a01:238:42d9:3f00:e505:6202:4f0c:f051]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id E964355B9 for ; Mon, 5 Dec 2022 04:44:53 -0800 (PST) Received: from 8bytes.org (p200300c27724780086ad4f9d2505dd0d.dip0.t-ipconnect.de [IPv6:2003:c2:7724:7800:86ad:4f9d:2505:dd0d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.8bytes.org (Postfix) with ESMTPSA id 9F7CC220316; Mon, 5 Dec 2022 13:44:52 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=8bytes.org; s=default; t=1670244292; bh=BmZ14JxHStKwWdRniMvVcCaFX2OlpCCH2cMImuhjvdg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hif7a7SKkMOGlyNeqaNPniSMimGjvQbhsAWDy+rUi2qg9pvln30Q2NBduCYQ4zPFL LANZjo9U/Pn6qfunWQCzNmhjZO4mcK1lUMwF8GDE59jkTV2VODDfZymnCYGdgdH0Q0 W21+wnzUxNEzdPAXw7hhrWQ4FnixvLbyibHAFOxeJQ1h8rJ62hBI9aYO+R0kJNkRIB mcRcfJmq3FoB5ijx0ABnULN5UwPeqa6/O147tXRPQt0bbZDzzllxfS4t0NEO9s3GAX DomDehszgf0QC4mnmJF7TfYFrhGV5QpIBLnUyMff6z/O2D13Xg3uECBQf7+BdouK4q HrXuC19AssvHA== Date: Mon, 5 Dec 2022 13:44:51 +0100 From: Joerg Roedel To: Baolu Lu Cc: Jacob Pan , LKML , iommu@lists.linux.dev, Robin Murphy , Will Deacon , David Woodhouse , Raj Ashok , "Tian, Kevin" , Yi Liu , Yuzhang Luo Subject: Re: [PATCH v3] iommu/vt-d: Add a fix for devices need extra dtlb flush Message-ID: References: <20221130062449.1360063-1-jacob.jun.pan@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Baolu, On Mon, Dec 05, 2022 at 06:59:19PM +0800, Baolu Lu wrote: > Is this still feasible? Can you please review the fix and provide your tag? I will put in the fixes branch then. Regards, Joerg