Re: [PATCH v7 08/16] i386: Expose module level in CPUID[0x1F]

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On Mon, Jan 15, 2024 at 01:20:22PM +0800, Yuan Yao wrote:
> Date: Mon, 15 Jan 2024 13:20:22 +0800
> From: Yuan Yao <yuan.yao@xxxxxxxxxxxxxxx>
> Subject: Re: [PATCH v7 08/16] i386: Expose module level in CPUID[0x1F]
> 
> Ah, so my understanding is incorrect on this.
> 
> I tried on one raptor lake i5-i335U, which also hybrid soc but doesn't have
> module level, in this case 0x1f and 0xb have same values in core/lp level.

Some socs have modules/dies but they don't expose them in 0x1f.

If the soc only expose thread/core levels in 0x1f, then its 0x1f is same
as 0x0b. Otherwise, it will have more subleaves and different
values.

Thanks,
Zhao





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