Re: About PPTT find_acpi_cpu_topology_package()

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On Tue, Feb 11, 2020 at 12:49:17PM -0600, Jeremy Linton wrote:
> Hi,
> 
> On 2/12/20 7:55 AM, Sudeep Holla wrote:
> > On Wed, Feb 12, 2020 at 12:48:33PM +0000, John Garry wrote:
> > > On 12/02/2020 11:59, Sudeep Holla wrote:
> > 
> > [...]
> > 
> > > > Yes, as mentioned above. We are not going to do extra work for lazy firmware.
> > > 
> > > I don't think it's reasonable to just label this as lazy. The table may just
> > > not have the flag set unintentionally. FW and software guys make mistakes,
> > > like the mistakes in PPTT, itself.
> > > 
> > 
> > We are not talking about flags, it's UID and it is pretty important if
> > there are more than one objects of same time.
> 
> But, this hints at my reservations with this approach. If you wanted to have
> your processors numbered 0...x and your sockets numbered 0...y, there could
> be overlap in the processor container objects, which should also be avoided.
> 

Of course yes, UID needs to be unique at a given processor/container level.
Yes, it's more restricted in that way compared to objects of similar type.
Here they are all same processor containers, but need to enumerate from 0
at each level.

-- 
Regards,
Sudeep



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