[Intel-gfx] [PATCH 2/8] drm/i915: Adds graphic address space ballooning logic

Yu, Zhang yu.c.zhang at linux.intel.com
Fri Sep 26 10:46:42 CEST 2014



On 9/26/2014 4:48 PM, Chris Wilson wrote:
> On Fri, Sep 26, 2014 at 04:26:20PM +0800, Zhang, Yu wrote:
>> Hi Chris & Daniel,
>>
>>    Thanks for your comments. Following are my understandings about
>> the changes needed for this patch:
>>
>> 1> We do not need the guard page anymore between different VMs. For
>> the very last physical GTT entry, let's keep it pointing to a guard
>> page.
>>
>> 2> To reserve the GMs in our balloon code, drm_mm_reserve_node() is
>> preferred than the current drm_mm_insert_node_in_range_generic().
>>
>>    Am I correct? Please correct me if anything wrong. Thanks! :)
>
> Agreed. If you care to respin the patch, I'll see if anything else
> alarms me ;-)

Got it. Thank you, Chris.
> -Chris
>



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