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Date:   Fri, 25 Sep 2020 19:43:49 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Christoph Hellwig <hch@lst.de>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Juergen Gross <jgross@suse.com>,
        Stefano Stabellini <sstabellini@kernel.org>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
        Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
        Chris Wilson <chris@chris-wilson.co.uk>,
        Matthew Auld <matthew.auld@intel.com>,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        Minchan Kim <minchan@kernel.org>,
        Matthew Wilcox <willy@infradead.org>,
        Nitin Gupta <ngupta@vflare.org>, x86@kernel.org,
        xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
        intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        linux-mm@kvack.org
Subject: Re: remove alloc_vm_area v2
Message-Id: <20200925194349.d0ee9dbedb2ec48f0bfcd2ec@linux-foundation.org>
In-Reply-To: <20200924135853.875294-1-hch@lst.de>
References: <20200924135853.875294-1-hch@lst.de>
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On Thu, 24 Sep 2020 15:58:42 +0200 Christoph Hellwig <hch@lst.de> wrote:

> this series removes alloc_vm_area, which was left over from the big
> vmalloc interface rework.  It is a rather arkane interface, basicaly
> the equivalent of get_vm_area + actually faulting in all PTEs in
> the allocated area.  It was originally addeds for Xen (which isn't
> modular to start with), and then grew users in zsmalloc and i915
> which seems to mostly qualify as abuses of the interface, especially
> for i915 as a random driver should not set up PTE bits directly.
> 
> Note that the i915 patches apply to the drm-tip branch of the drm-tip
> tree, as that tree has recent conflicting commits in the same area.

Is the drm-tip material in linux-next yet?  I'm still seeing a non-trivial
reject in there at present.