From: Olaf Hering <olaf@aepfle.de>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: david.vrabel@citrix.com, jgross@suse.com,
xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] xen/gntdev: Use mempolicy instead of VM_IO flag to avoid NUMA balancing
Date: Thu, 17 Nov 2016 17:01:40 +0100 [thread overview]
Message-ID: <20161117160140.GB19761@aepfle.de> (raw)
In-Reply-To: <af47b58b-82bc-164f-4874-2ac16f969e76@oracle.com>
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On Thu, Nov 17, Boris Ostrovsky wrote:
> On 11/17/2016 06:28 AM, Olaf Hering wrote:
> > ERROR: "__mpol_dup" [drivers/xen/xen-gntdev.ko] undefined!
> > ERROR: "get_task_policy" [drivers/xen/xen-gntdev.ko] undefined!
> I just built 4.4.11 with this patch applied and haven't had any problems.
Are these functions exported? How would the driver module call into the
core kernel? Maybe the added functionality should be provided by an
exported helper function.
Olaf
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next prev parent reply other threads:[~2016-11-17 17:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-16 17:46 Boris Ostrovsky
2016-11-17 11:28 ` Olaf Hering
2016-11-17 16:01 ` Boris Ostrovsky
2016-11-17 16:01 ` Olaf Hering [this message]
2016-11-17 16:09 ` Boris Ostrovsky
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