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=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 C0A94C433FF for ; Tue, 6 Aug 2019 18:02:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 95996217D9 for ; Tue, 6 Aug 2019 18:02:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="dmyRhMBZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732096AbfHFSCu (ORCPT ); Tue, 6 Aug 2019 14:02:50 -0400 Received: from mail-qk1-f193.google.com ([209.85.222.193]:39426 "EHLO mail-qk1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726713AbfHFSCu (ORCPT ); Tue, 6 Aug 2019 14:02:50 -0400 Received: by mail-qk1-f193.google.com with SMTP id w190so63604319qkc.6 for ; Tue, 06 Aug 2019 11:02:49 -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=J340zbxKrZwPhKQPn9TeC4csGhsk958SAmRA1+an/JE=; b=dmyRhMBZI6zY0I2u7wdyHQjMKNx7X6q/44JyGKfb/VDswyFMmZFRkfFHuwa6xb9W77 /60SemHut0sNFpXi8VWhLEujUvdmhIPrdRNkn3/J8WP+d2+9yM+59k7uYRD0oXqoGmkv AdAgySgMZPnuRZQMrufc/1lAUL2PUjg7rsZvJGuL8Mj2mTI3z0O2wFRQECzd2fD6TiTN BOs8Eu8913OI8Gc+ity2XD16jj+X32RK4PRj79qKdpLBOcODvMrV18XBvn3mOzh3Diqj awOnPn2b4LSHKJWlA/RvcCNCNU2eXDwXISITGSPgHG1GksuEOvVSXUJKrqxO2IQiTL/B Xh+g== 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=J340zbxKrZwPhKQPn9TeC4csGhsk958SAmRA1+an/JE=; b=plHZ6/88ESEkGkP9lzp+04SJMtgP4k6atljd3GuvfYCnEgJwS0K17Pt58tuaQ3jenq /SsCOM4yZ47X0FZXdtR/Cmxdiceip0Oa2ZDV4yEC3L6oakGdtM/YBMbqmKoaasISk8gS 3FyYr9n6RuuSu1GLV9OAk+NzqLmq7CG/5k5vAZuwWHbzZFCz64FyV7y6bBHPFllaAlX+ 5EmRQDknjLOCxsDZOxKLC5gCGR6dm1XFjA77LmS8vvxkSRzIeB5Phx+5hPV17RLqz1sw mccZbbqz/ZJ/lG0esPEETpJyJShhGNrq73x5EWgYLNxY4YcRUqEYLlL0+tJXTZOc7eJi zsxA== X-Gm-Message-State: APjAAAWrpGo5kj0jEytum4e+OBIKfiaJxW/Ez+XDAqk5NKfnNL2n6VqY VPS56vDORNJWFHRdubhdCFpxgnFUB4w= X-Google-Smtp-Source: APXvYqzeVullh9O51A7m3TZsWYHDgm0ndSlca+disOdIT8zFGqnFmyETv0vAgxjYTLrTqv0QWoZpMA== X-Received: by 2002:a37:7704:: with SMTP id s4mr4481690qkc.310.1565114569197; Tue, 06 Aug 2019 11:02:49 -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 c18sm6024222qtj.25.2019.08.06.11.02.48 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 06 Aug 2019 11:02:48 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1hv3nM-0000IY-6M; Tue, 06 Aug 2019 15:02:48 -0300 Date: Tue, 6 Aug 2019 15:02:48 -0300 From: Jason Gunthorpe To: Christoph Hellwig Cc: =?utf-8?B?SsOpcsO0bWU=?= Glisse , Ben Skeggs , Felix Kuehling , Ralph Campbell , linux-mm@kvack.org, nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 03/15] nouveau: pass struct nouveau_svmm to nouveau_range_fault Message-ID: <20190806180248.GO11627@ziepe.ca> References: <20190806160554.14046-1-hch@lst.de> <20190806160554.14046-4-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190806160554.14046-4-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, Aug 06, 2019 at 07:05:41PM +0300, Christoph Hellwig wrote: > We'll need the nouveau_svmm structure to improve the function soon. > For now this allows using the svmm->mm reference to unlock the > mmap_sem, and thus the same dereference chain that the caller uses > to lock and unlock it. > > Signed-off-by: Christoph Hellwig > --- > drivers/gpu/drm/nouveau/nouveau_svm.c | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) Reviewed-by: Jason Gunthorpe Jason