On 03/09/20 02:44, B wrote:
>> -Original Message-
>> From: Valentin Schneider [mailto:valentin.schnei...@arm.com]
>> On 02/09/20 04:24, B wrote:
>> > I agree with your idea to remove the topology functionality of MPIDR ,
>> > but I think we need also consider ARM32 and GIC.
>> >
>>
>> Cou
On Sat, 29 Aug 2020 14:00:16 +0100, Valentin Schneider wrote:
> In the absence of ACPI or DT topology data, we fallback to haphazardly
> decoding *something* out of MPIDR. Sadly, the contents of that register are
> mostly unusable due to the implementation leniancy and things like Aff0
> having to
bin Murphy; Jeremy Linton;
> Dietmar Eggemann; Morten Rasmussen
> Subject: Re: [PATCH] arm64: topology: Stop using MPIDR for topology
> information
>
>
> On 02/09/20 04:24, B wrote:
> > Hi Valentin:
> >
> >> -Original Message-
> >> From
gt; Cc: Catalin Marinas; Will Deacon; Sudeep Holla; Robin Murphy; Jeremy
>> Linton; Dietmar Eggemann; Morten Rasmussen; Zengtao (B)
>> Subject: [PATCH] arm64: topology: Stop using MPIDR for topology
>> information
>>
>> In the absence of ACPI or DT topology data, we fallba
On 02/09/20 11:04, Sudeep Holla wrote:
> On Sat, Aug 29, 2020 at 02:00:16PM +0100, Valentin Schneider wrote:
>> In the absence of ACPI or DT topology data, we fallback to haphazardly
>> decoding *something* out of MPIDR. Sadly, the contents of that register are
>> mostly unusable due to the imple
arm-ker...@lists.infradead.org
> > Cc: Catalin Marinas; Will Deacon; Sudeep Holla; Robin Murphy; Jeremy
> > Linton; Dietmar Eggemann; Morten Rasmussen; Zengtao (B)
> > Subject: [PATCH] arm64: topology: Stop using MPIDR for topology
> > information
> >
> > In t
On Sat, Aug 29, 2020 at 02:00:16PM +0100, Valentin Schneider wrote:
> In the absence of ACPI or DT topology data, we fallback to haphazardly
> decoding *something* out of MPIDR. Sadly, the contents of that register are
> mostly unusable due to the implementation leniancy and things like Aff0
> havi
Murphy; Jeremy
> Linton; Dietmar Eggemann; Morten Rasmussen; Zengtao (B)
> Subject: [PATCH] arm64: topology: Stop using MPIDR for topology
> information
>
> In the absence of ACPI or DT topology data, we fallback to haphazardly
> decoding *something* out of MPIDR. Sadly, the content
In the absence of ACPI or DT topology data, we fallback to haphazardly
decoding *something* out of MPIDR. Sadly, the contents of that register are
mostly unusable due to the implementation leniancy and things like Aff0
having to be capped to 15 (despite being encoded on 8 bits).
Consider a simple
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