From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Olaf Hering <olaf@aepfle.de>
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 11:09:22 -0500 [thread overview]
Message-ID: <057d38c5-4e1a-21dd-c51d-010b1dfdc752@oracle.com> (raw)
In-Reply-To: <20161117160140.GB19761@aepfle.de>
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On 11/17/2016 11:01 AM, Olaf Hering wrote:
> 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.
You are right --- I didn't realize was building with grant device
built-in. So yes, this needs to be fixed.
-boris
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prev parent reply other threads:[~2016-11-17 17:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-16 17:46 [PATCH v2] xen/gntdev: Use mempolicy instead of VM_IO flag to avoid NUMA balancing Boris Ostrovsky
2016-11-17 11:28 ` Olaf Hering
2016-11-17 16:01 ` Boris Ostrovsky
2016-11-17 16:01 ` Olaf Hering
2016-11-17 16:09 ` Boris Ostrovsky [this message]
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