From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4BF52C48BE3 for ; Fri, 21 Jun 2019 14:43:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 255782089E for ; Fri, 21 Jun 2019 14:43:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="DWYPEU+O" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726168AbfFUOny (ORCPT ); Fri, 21 Jun 2019 10:43:54 -0400 Received: from mail-qt1-f194.google.com ([209.85.160.194]:45061 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726017AbfFUOnx (ORCPT ); Fri, 21 Jun 2019 10:43:53 -0400 Received: by mail-qt1-f194.google.com with SMTP id j19so7114626qtr.12 for ; Fri, 21 Jun 2019 07:43:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=HyLTo1H3x89cnTVP/KrI5aPMZqdvKCPXXVZOA+DwKL4=; b=DWYPEU+O6hqxRZYo+qz30J5H/UJHIhDajRUaRnLPSd6vJcB6+cO10pe7lygHrzVfbj ylkZm9xQxBbaknOOEP50RPqZEIKs31Kv5m61QSa+a2j9L/tziw3EvpbXFBlYITisHOrc JH/mxK8KzRvGMQq7eEjJ0D1tfo1cCUkuw78siy8VrSJQvLItPReOk3pNZ79bl/uzqGdA xZjcp0ZATPU+rLVHRBIhFoOyYspIjuFb0uCU0LU9axGWIFyYR3JZqqXVHth78E5v4p4y 7AeI6a+ZKHqzF3V2D6NrgjTVx68650ZaAGsz9YLXObQshjM/K+Dt60BoO4AIuRM7+FIQ tXag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=HyLTo1H3x89cnTVP/KrI5aPMZqdvKCPXXVZOA+DwKL4=; b=i83oCNAv3ohIdFD6hvJuD+mgWVpaGliwZhlUc6RyzBlRDlHAphFuaWatrFueWNOqMv 1Pjenuq34Rf4v1n6PTNz0wHXVPnNoME3wtZwcJ2lfhXsrEJm/rd6Xu8bhYIEiJ4US6e+ D/+K73imXik1hbD5i97j5tEHUmrcbkLb8NR5zxfA7AiZ/EMFlr5AuFcCruleUELfACA9 fxjuDj8Oj6Hybgr1IzIWI4bPzKpwvaDAMdHqYXANnRxomhbfwcaCnV6HXcAnCBxDedc+ 52DM3OwDHkG4jPK615Ikssh4AGKdZ613n0NwrzQP11f/VtIj/6oQ/r6wVRAldGaWZFZl GbFA== X-Gm-Message-State: APjAAAUAhQgs9f9rdQlOAR5FwrOeWqEUJYOKTliRu2C9nh4bpI913HHf hSdbbcWDCxkCkhaIofOYTtB4eQ== X-Google-Smtp-Source: APXvYqyhH+glrRwKSiAA7qbVYeB5QwqXO/U6RS0ZU2dwiG6C6t5mG7HajTG9DMxfijl7dMFHJHUwBg== X-Received: by 2002:ac8:1ba9:: with SMTP id z38mr28772211qtj.176.1561128232588; Fri, 21 Jun 2019 07:43:52 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-156-34-55-100.dhcp-dynamic.fibreop.ns.bellaliant.net. [156.34.55.100]) by smtp.gmail.com with ESMTPSA id a11sm1411650qkn.26.2019.06.21.07.43.52 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 21 Jun 2019 07:43:52 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1heKlb-0000wZ-Mn; Fri, 21 Jun 2019 11:43:51 -0300 Date: Fri, 21 Jun 2019 11:43:51 -0300 From: Jason Gunthorpe To: Christoph Hellwig Cc: Linus Torvalds , Paul Burton , James Hogan , Yoshinori Sato , Rich Felker , "David S. Miller" , Nicholas Piggin , Khalid Aziz , Andrey Konovalov , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , linux-mips@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: switch the remaining architectures to use generic GUP v3 Message-ID: <20190621144351.GR19891@ziepe.ca> References: <20190611144102.8848-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190611144102.8848-1-hch@lst.de> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 11, 2019 at 04:40:46PM +0200, Christoph Hellwig wrote: > Hi Linus and maintainers, > > below is a series to switch mips, sh and sparc64 to use the generic > GUP code so that we only have one codebase to touch for further > improvements to this code. I don't have hardware for any of these > architectures, and generally no clue about their page table > management, so handle with care. I like this series, ther are alot of people talking about work for GUP and this will make any of that so much easier to do. Jason