[CRIU] [PATCH] mm: mark VM_IO and VM_PFNMAP VMA-s as unsupported

Pavel Emelyanov xemul at parallels.com
Fri May 23 02:34:27 PDT 2014


On 05/19/2014 11:09 PM, Cyrill Gorcunov wrote:
> On Mon, May 19, 2014 at 11:02:05PM +0400, Andrey Vagin wrote:
>> vmsplice doesn't work for such VMA-s.
>>
>> This flags is set in a kernel function remap_pfn_range()
>> (remap kernel memory to userspace), which is widely used by device
>> drivers to provide direct access to a device memory.
>>
>> Reported-by: J F <jgmb45 at gmail.com>
>> Cc: Cyrill Gorcunov <gorcunov at openvz.org>
>> Signed-off-by: Andrey Vagin <avagin at openvz.org>
> Acked-by: Cyrill Gorcunov <gorcunov at openvz.org>
> 
> This is definitely a good catch!
> .
> 


Applied, thanks


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