Re: its_alloc_tables() - with all BASER marked none

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On 10/15/2015 12:50 AM, Marc Zyngier wrote:
> On 15/10/15 02:30, Mario Smarduch wrote:
>> If its_init()/its_probe()/its_alloc_tables() finds all GITS_BASER type none, it
>> continues with ITS initialization.
>>
>> Is there a reason to continue?
> 
> Of course. There is nothing that *mandates* the ITS to request memory
> from the operating system. The HW could perfectly come with its own
> memory and not need anything at all.
> 
>> Started to look through this code recently - little confused here.
> 
> Only the beginning! ;-)

Well at this time the beginning of console freeze close to  "ITS: using cache
flushing for cmd queue". Poked around CBASER and noticed Inner cache bits are
updated but not sticky so it got me wondering.

Appears like I need to look elsewhere, like maybe my environment.

Thanks for clarifying.

- Mario

> 
> 	M.
> 
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