On Mar 20, 2021, at 14:31, Thomas Gleixner wrote:
> On Sun, Feb 21 2021 at 10:56, Chang S. Bae wrote:
>>
>> +static void check_xtile_data_against_struct(int size)
>> +{
>> +u32 max_palid, palid, state_size;
>> +u32 eax, ebx, ecx, edx;
>> +u16 max_tile;
>> +
>> +/*
>> + *
On Sun, Feb 21 2021 at 10:56, Chang S. Bae wrote:
>
> +static void check_xtile_data_against_struct(int size)
> +{
> + u32 max_palid, palid, state_size;
> + u32 eax, ebx, ecx, edx;
> + u16 max_tile;
> +
> + /*
> + * Check the maximum palette id:
> + * eax: the highest
Linux uses check_xstate_against_struct() to sanity check the size of
XSTATE-enabled features. AMX is the XSAVE-enabled feature, and its size is
not hard-coded but discoverable at run-time via CPUID.
The AMX state is composed of state components 17 and 18, which are all user
state components. The
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