Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp1271555imu; Thu, 13 Dec 2018 12:11:25 -0800 (PST) X-Google-Smtp-Source: AFSGD/VGDYgk5X09X4miTBJwo8luzjtBqLxnh9KyMdyOqSM5r6BRrfO6rKz15h+fIUPdMyosSc8R X-Received: by 2002:a17:902:a60f:: with SMTP id u15mr159988plq.275.1544731885384; Thu, 13 Dec 2018 12:11:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1544731885; cv=none; d=google.com; s=arc-20160816; b=OnSDeWeiQ5c84qhY8wnObC8l3qoQbLNnU/qGv4hi7sl/de43uJXnoKU7c6U0TG4Vi0 F0F9R8j7qNFNYVDszx/ftKLp7+I9QN/pu3l9UlBXovD1jyn1TAcwBWFhVEvYPHUMfgAt bpEIJs8j+R1dgAveU2RIWqrCy2Yf07ZnwWoHGAnQeclKYmSR8jG3jgC7ulWAOc66ir/l 6fu/SbS0JoYalMufz10T1aSX+C97wQdgLX7dae3yIJP1ryomI6n4vCjCXXqke6T4LpGP FWAOmhIJEcAEdC08hh69Dn39iEB4g6EA+hGAos4e54zfi430FfslwxAikYg+/ApqBzvZ Zr9g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=7nzAL3z7f4g+9WAy1nKklmAeRlS9+GIAuGoi38nwjWQ=; b=sTT2JywJvVf5XdN6xYAeqkIEFpPAhqtIjgcYqkyK+qunmdJhn6VuV88Sv5CTWPgtg0 xCXS6xcW0552E4Kn5moscJL3bVyPyTrHP9Wx93ObrthlMLi75iAh/psVyzZLxSp7PnKr HTjG50SA25FFzyz/fHX+YjS7YUCprvJUZG6eqVN6Yv3dx0v/O91Y4sKyTCOKTD19Ikjh YcWsdy/z7Me3dBMnXx1u+sCGOfg+d51WV6tjrUXhMPcED+WNVZDC0JYGmb2qojWtu9vH 2KhmARQLxtCYViAjNzOnZgQFbjjquJn/pdUtWwZ1WDZlJIuSvPSgYrkhBFgOh3d12ISS zDJg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=g7tX9SBB; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u4si2144576pls.34.2018.12.13.12.11.05; Thu, 13 Dec 2018 12:11:25 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=g7tX9SBB; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726764AbeLMUI5 (ORCPT + 99 others); Thu, 13 Dec 2018 15:08:57 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:48720 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725949AbeLMUI5 (ORCPT ); Thu, 13 Dec 2018 15:08:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=7nzAL3z7f4g+9WAy1nKklmAeRlS9+GIAuGoi38nwjWQ=; b=g7tX9SBB2b8bTFwhMc8QesK7W IWaBvFhrvd0Y8GDw9rupIq1NE6QoI4+rq989Jn2Fttm274vPwxMije3Xz7xsfBogC2LIlnAE6odAr yZLJ/gEvLBb9XAYJU0XUhrRfqvZUv3NVeDpT+d1BbuQ2wMfoflIkYSWQQgnWQpXANXRC5zQj598+A JtFdm9lcW0Y5ONEvgdV0rXmPahIWw91QGtnUxZtgO2ea7si9pmSxzumssBHnozhOlXKdQRL2LQifD TNLeNmIuvRsRBOTy7QPXI0xXVAbk1YWa3HP4mTW+YcW0phWJs54Q3MH3zGQeMMRHRF0JNi0rqDJML LezPQDhGQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gXXHq-0005jQ-8p; Thu, 13 Dec 2018 20:08:46 +0000 Date: Thu, 13 Dec 2018 12:08:46 -0800 From: Christoph Hellwig To: Christoph Hellwig Cc: iommu@lists.linux-foundation.org, Linus Torvalds , Jesper Dangaard Brouer , Fenghua Yu , Toke =?iso-8859-1?Q?H=F8iland-J=F8rgensen?= , linux-ia64@vger.kernel.org, Konrad Rzeszutek Wilk , linux-pci@vger.kernel.org, Ilias Apalodimas , x86@kernel.org, linux-kernel@vger.kernel.org, Keith Busch , Tony Luck , Robin Murphy , Jonathan Derrick , Tariq Toukan Subject: Re: [RFC] avoid indirect calls for DMA direct mappings v2 Message-ID: <20181213200846.GA21726@infradead.org> References: <20181207190720.18517-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181207190720.18517-1-hch@lst.de> User-Agent: Mutt/1.9.2 (2017-12-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I've pulled v2 with the ia64 into dma-mapping for-next. This should give us a little more than a week in linux-next to sort out any issues.