Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp897873pxb; Thu, 28 Jan 2021 03:09:27 -0800 (PST) X-Google-Smtp-Source: ABdhPJz8o4kjqTypB6zxPqgZvpnhGPL1ulP4FftGSnuBXOYcKejMj+IIc8+TulK56xENvUAGcwMJ X-Received: by 2002:a17:906:33c5:: with SMTP id w5mr10791956eja.319.1611832165280; Thu, 28 Jan 2021 03:09:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611832164; cv=none; d=google.com; s=arc-20160816; b=rYn9wE1v6Qc2nVzKaYJ5/rYihNqqwbK06J2FBreZr2oe8GOLQy+Wqz76/psAqjguwB ZjaJ2mFMel9KFVSq/8Fvyj2Dyvju8XHYYoDuX8uLf03w6iTtmX6NAo13NO5ohNcPKjWa +2EHUuJahVhyuDjUpmFuRnpAdQvPH2TImobp83UR1nnNB4hQ+aGybclaM3ZveICBad2l jEVWMuWXwqowRrCAmXJPKbSiwfMt5W7OsdrgZjw0I3yFyfhZQ9hnHXNAyuGOOtwXhhgO AScArBIjje7DVyE5Cq1SwZQc61kdrKVK/71RH89wxm6VIMof/wEgoTlqlYXCGeUnTehE c0Nw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=Et8tkhnsnZ9QNm38oaugLU3AGHS8o6zKH3ViyyyhnfA=; b=o00d0k1lcKiXCdIBe9D1FiHjYXBAZNQVQjdKgbFj6eNQ61zgqELTk0Tqq1HNyhB8ss f6IBo7MBQQexo86gkQFx1/oLl7L5t1hHOGvCVXQvnx1+TzmGB0CD4jCZGmiruSKxedLB iezqnJFwsU3F+Sao7hTqKkACr5zNiYXpIs52jdmOtsv1m+06GIK/jGvqxgNCGBDvRQGq PR4MWQpSAOdPTVLM6cRaoG2/5V67QKnSeKJESugJVGtMFhjmeOvtldBqxw+HCvx38MY/ t9y6aFbRCT3qW5NODc05/e2wyszUz6JQF7Atss+HROLpgCr139IW4Ozh5b50pAe3pFR3 9xmg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id x15si2789905edl.289.2021.01.28.03.09.00; Thu, 28 Jan 2021 03:09:24 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231153AbhA1LFB (ORCPT + 99 others); Thu, 28 Jan 2021 06:05:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230527AbhA1LE4 (ORCPT ); Thu, 28 Jan 2021 06:04:56 -0500 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 72FBBC061573 for ; Thu, 28 Jan 2021 03:04:16 -0800 (PST) Received: by theia.8bytes.org (Postfix, from userid 1000) id 4B07C51D; Thu, 28 Jan 2021 12:04:13 +0100 (CET) Date: Thu, 28 Jan 2021 12:04:11 +0100 From: Joerg Roedel To: Lianbo Jiang Cc: linux-kernel@vger.kernel.org, will@kernel.org, iommu@lists.linux-foundation.org, jsnitsel@redhat.com, thomas.lendacky@amd.com, robin.murphy@arm.com, bhe@redhat.com Subject: Re: [PATCH 0/2 v2] iommu: fix the failure of deferred attach for iommu attach device Message-ID: <20210128110411.GJ32671@8bytes.org> References: <20210119111616.12761-1-lijiang@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210119111616.12761-1-lijiang@redhat.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 19, 2021 at 07:16:14PM +0800, Lianbo Jiang wrote: > Lianbo Jiang (2): > dma-iommu: use static-key to minimize the impact in the fast-path > iommu: use the __iommu_attach_device() directly for deferred attach > > drivers/iommu/dma-iommu.c | 29 +++++++++++------------------ > drivers/iommu/iommu.c | 12 ++++++++++++ > include/linux/iommu.h | 2 ++ > 3 files changed, 25 insertions(+), 18 deletions(-) Applied, thanks.