Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp54633ybe; Wed, 18 Sep 2019 12:50:56 -0700 (PDT) X-Google-Smtp-Source: APXvYqxg6+Ijd75dMaXvoKkynVwOfqqncep6tRfIOtip0LZoQgPnw178uVo3Ieuzq/yeXiG4k90V X-Received: by 2002:aa7:d750:: with SMTP id a16mr12242954eds.27.1568836256718; Wed, 18 Sep 2019 12:50:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568836256; cv=none; d=google.com; s=arc-20160816; b=AEzCUmkAKJrFDJGmluJRRYL/7wpTJV01fOeGfm7wBNSjuBmgFNcWGJPeuWzpEpt5fn 9BDCPQfi/n5YQhs0D7QitggabNSzXeZBT42+Rc1Cwz26nAMZj9r+s4MB7Nu9uEEBxyoa Z8oeVviUykCJDSI3XuQMrMQQ9186HYS4aWQaifi/p8rSn71h9WJ9Slv90GzC/Hv+jNF9 CLwOu6Tk3p5RhoNKoElpUOTbmKcYggxWYUoxqmQ9q6oMiyLIv2UdjnfWap7zejmKhsOk RV7ubUfAHf4VmojuZTkr3E8nhCUzv4K7o8EABjyWKa/gkQ54VQ/nkU/7+z3PNfNuPM9A wcUQ== 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=1vgoCsT0xO+Rn0pklazhNMvrKBUV1W3s56aPAfmOcsg=; b=0aeicFFi5FdJnyjr+GRyeGnU+u636J1SkBU/GsHVr0udBLWUYN38WxKD/j4BoFLRoO sdeLKjdDpGplsFNo/WtYtH5808cjB2SE/wCPhdJkoMe37omhhzAtp3TlL4QAulsuI3ct 7a+ABCXH1s1Sltr604T1wHOPC/ShF3zSFsoZ+Sin/9ONvOsiloUF7uGWAhBKEmV2ykrX MRU2xWh7dGS/TywOCLHL1ElD9j4AgVk1tTs/dDOppBPFVE1gHk2wGc09x9KWQHBj+rEx vTZdFtTOb3D5piQm+R89Lh/MG99wbaK3rC/Q9SB2yFPTlpUV3Tov7OjPAgaOM9d+Wcu3 9VPw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=t0sHHbkP; 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 fy24si478057ejb.176.2019.09.18.12.50.11; Wed, 18 Sep 2019 12:50:56 -0700 (PDT) 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=t0sHHbkP; 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 S1729968AbfIRNki (ORCPT + 99 others); Wed, 18 Sep 2019 09:40:38 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:46922 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727004AbfIRNkh (ORCPT ); Wed, 18 Sep 2019 09:40:37 -0400 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=1vgoCsT0xO+Rn0pklazhNMvrKBUV1W3s56aPAfmOcsg=; b=t0sHHbkPpIo/HUcrOE6fruK/7 4FJLr13BgWmHp/DVqbXnyy1jTgfoGRtLlhx85IH69rVWow/hNGOgPhAsgys/vfYYlZN+P7d7dpIqQ c8HyieCSr2f/y6XLy/ZPU74g8IgR0vI5WeqmHrRItXMqhCm1i74hG3TZ5UMjupSPg/PNWtBSbKOVc waYDmgdd8unQsSezDki4aUVdRJtuYnTPmnG41y0PgQ33IiHPua8AhJZFQdziQRy3DDvwHYebFHg3V dXABWys0mZMPAofRKgUXPGLK5rMJsIqSiR5SA1sU2JsLUSjhVu28FcbwSIKcIw6qsxxI0hV63g82j 8AipFOU/Q==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.2 #3 (Red Hat Linux)) id 1iAaBt-0006wS-Re; Wed, 18 Sep 2019 13:40:17 +0000 Date: Wed, 18 Sep 2019 06:40:17 -0700 From: Christoph Hellwig To: Christophe Leroy Cc: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , npiggin@gmail.com, hch@infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH v1 0/4] powerpc: Add support for GENERIC_EARLY_IOREMAP Message-ID: <20190918134017.GA22027@infradead.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) 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 On Thu, Sep 12, 2019 at 01:49:40PM +0000, Christophe Leroy wrote: > This series adds support for GENERIC_EARLY_IOREMAP on powerpc. > > It also adds a warning in the standard ioremap() when it's called > before vmalloc is available in order to help locate those users. > > Next step will be to incrementaly migrate all early users of > ioremap() to using early_ioremap() or other method. > > Once they are all converted we can drop all the logic > behind ioremap_bot. Thanks, this looks pretty nice!