Re: [Xen-devel] [PATCHv6 5/5] gnttab: use per-VCPU maptrack free lists

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 23.04.15 at 18:29, <david.vrabel@xxxxxxxxxx> wrote:
> On 23/04/15 17:11, Jan Beulich wrote:
>>>>> On 22.04.15 at 18:00, <david.vrabel@xxxxxxxxxx> wrote:
>>> -    return handle;
>>> +    v->maptrack_limit = new_mt_limit;
>>> +
>>> +    return __get_maptrack_handle(lgt, v);
>> 
>> With the lock dropped, nothing guarantees this to succeed, which it
>> ought to unless the table size reached its allowed maximum.
> 
> We've just added a new page of handles for this VCPU.  This will succeed.

Ah, right, this is per-vCPU now.

Jan


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