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Date: Wed, 21 Dec 2016 10:53:20 -0700
From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: akpm@linux-foundation.org, Jan Kara <jack@suse.cz>,
        Matthew Wilcox <mawilcox@microsoft.com>,
        Dave Chinner <david@fromorbit.com>,
        linux-kernel@vger.kernel.org, Dave Hansen <dave.hansen@intel.com>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        linux-fsdevel@vger.kernel.org,
        Ross Zwisler <ross.zwisler@linux.intel.com>,
        Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH] dax: kill uml support
Message-ID: <20161221175320.GB4716@linux.intel.com>
References: <148228426023.2477.2662330241414304847.stgit@dwillia2-desk3.amr.corp.intel.com>
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On Tue, Dec 20, 2016 at 05:37:40PM -0800, Dan Williams wrote:
> The lack of common transparent-huge-page helpers for UML is becoming
> increasingly painful for fs/dax.c now that it is growing more pmd
> functionality. Add UML to the list of unsupported architectures, and
> clean up no-longer-necessary ifdef as a result.
> 
> Cc: Jan Kara <jack@suse.cz>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Dave Chinner <david@fromorbit.com>
> Cc: Dave Hansen <dave.hansen@intel.com>
> Cc: Matthew Wilcox <mawilcox@microsoft.com>
> Cc: Alexander Viro <viro@zeniv.linux.org.uk>
> Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Sure, this is fine, assuming UML was the only problem architecture.  I've
pushed this code to my kernel.org tree and should hopefully hear back from
0day shortly.