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SubjectRe: [PATCH] x86/cpu: Add a third Alderlake CPU model number
On Thu, Mar 10, 2022 at 01:56:52PM -0800, Tony Luck wrote:
> Existing suffix conventions only cover mobile/desktop/server options.
> But this isn't any of those. Use "_N" as it matches the Intel naming
> convention for this part.
>
> Signed-off-by: Tony Luck <tony.luck@intel.com>
> ---
>
> Peter: What do you think about suffix proliferation? I tried to
> get an answer about the target market segment for this CPU, but
> didn't get an answer that is at all useful.

I'm not loving it, but seeing how they keep making these things into
model numbers (instead of using a different differentiator), there's
little we can do about it :-(

> arch/x86/include/asm/intel-family.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
> index 048b6d5aff50..2f7b608f3e55 100644
> --- a/arch/x86/include/asm/intel-family.h
> +++ b/arch/x86/include/asm/intel-family.h
> @@ -107,6 +107,7 @@
>
> #define INTEL_FAM6_ALDERLAKE 0x97 /* Golden Cove / Gracemont */
> #define INTEL_FAM6_ALDERLAKE_L 0x9A /* Golden Cove / Gracemont */
> +#define INTEL_FAM6_ALDERLAKE_N 0xBE

This is missing the /* Gracemont */ comment. That is, according to
Google, Alder Lake N is an E core only SKU. So alternatively, we can
call it: INTEL_FAM6_ATOM_GRACEMONT ....

/me runs like heck :-)

> #define INTEL_FAM6_RAPTORLAKE 0xB7

That too is missing the comment, but I can't actually find what it
should be on wikichip so I suppose that's still sekrit or something.

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