Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp946311pxb; Thu, 28 Jan 2021 04:32:27 -0800 (PST) X-Google-Smtp-Source: ABdhPJxOWSqGCfrhQ8j9wcrYjAhiBWTGDdyG/pqZ/KUnNcL9cZBZkam9Sv5ifHWdti37gQ31SmuH X-Received: by 2002:a17:906:fa9a:: with SMTP id lt26mr11026207ejb.439.1611837147298; Thu, 28 Jan 2021 04:32:27 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611837147; cv=none; d=google.com; s=arc-20160816; b=rJjPH6CJ6l1aqSfRp2Bk9h8Pj3vyB/uOVtt+GI+FtgtqEQJf2Q7Ta01hKBA6AVG7LF JSXd482nGxTN0J13tH0gNbuTuNZl0XFmroCAQFIpKfNsMUBweQtooMLZFR3XYq5e1N61 h3G09akZW/LgLh+C/WtqG9wBxJYCTPL63Qu5cIGQcuRTAgj3AftaYsJ/Jgcs05aSoPOo CrfbRbsx83ctyW+tRfEWSbrBC7EGoNFVHOpxlHlwBmX389D7FdxJ2IVoTro+nV0ZQLbm Zx3OW46D1XDjlAFZqQJZTokG9wpqYbqWN0ilyvV+QSNxrEVPwR/JstDkfbPa3KN2RSNP 26vw== 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=ZC6LQqGjGyNvoQp339npPez0WTcZjYIxn6rpPj4ZcTA=; b=KhvgDzNoO9P4UdivQUnrZNwzn4zg7eTJau/0WmvYJTuSrN/QWarmDZVm+DODO7Qq3e GViqCL/fky7d9C+rKuWo2hhdTWtSXruBWPdTmUwdL3TC8SzrFokqxoA5HwXhU21ghN8l LhRFGyx2P5YKyAlj0uZUgIT/sk8HmmpmnPQt3ZYHvMN7ufvb3cDwYM7OJZUwro5wKJEW USlHtQ2tcE0MH3hK5L0h+/0NzIpgsto6md87n97nc3bb9faUvfn+e/dmN6RVlPR9wOxA NDwtQRQW+0YdWdYdWC4lzPI1XsfUOrDC3GfJ6Pnc2x51SsjZ7G9J5pxWMo3DAXF1VWeH +W/Q== 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 z23si3091052edr.175.2021.01.28.04.32.01; Thu, 28 Jan 2021 04:32:27 -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 S231220AbhA1M2v (ORCPT + 99 others); Thu, 28 Jan 2021 07:28:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231139AbhA1M2t (ORCPT ); Thu, 28 Jan 2021 07:28:49 -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 A30B4C061573 for ; Thu, 28 Jan 2021 04:28:08 -0800 (PST) Received: by theia.8bytes.org (Postfix, from userid 1000) id 1103E51D; Thu, 28 Jan 2021 13:28:06 +0100 (CET) Date: Thu, 28 Jan 2021 13:28:04 +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, hch@infradead.org, baolu.lu@linux.intel.com Subject: Re: [PATCH v3 0/2] iommu: fix the failure of deferred attach for iommu attach device Message-ID: <20210128122804.GM32671@8bytes.org> References: <20210126115337.20068-1-lijiang@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210126115337.20068-1-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 26, 2021 at 07:53:35PM +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 | 10 ++++++++++ > include/linux/iommu.h | 1 + > 3 files changed, 22 insertions(+), 18 deletions(-) Sorry, missed that there was a newer version. Applied this instead of v2.