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Re: [Xen-devel] [PATCH v2 1/3] [GSOC14] refactored mempaging code from xenpaging to libxc.

On 27/06/14 11:37, Ian Campbell wrote:
> On Fri, 2014-06-27 at 11:27 +0100, Ian Campbell wrote:
>> On Mon, 2014-06-16 at 23:50 +0530, Dushyant Behl wrote:
>>> +    /* Now that the ring is set, remove it from the guest's physmap */
>>> +    if ( xc_domain_decrease_reservation_exact(xch, domain_id, 1, 0, 
>>> &ring_pfn) )
>> ... the lack of a domain pause and/or clearing the ring content in this
>> function does not represent an issue similar to
>> http://xenbits.xen.org/xsa/advisory-99.html.
> I found the answer to this in patch #3, but I had questions on that so I
> haven't applied yet.

Doesn't c/s 6ae2df93c277, the fix for XSA-99 do change all of this anyway?

Patch #2 still looks valid, albeit against xc_mem_event.c, but #1 and #3
appear to have already been done differently.


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