Re: [PATCH 1/2] x86/amd_node: Remove smn_exclusive

From: Borislav Petkov

Date: Wed Aug 12 2026 - 15:29:53 EST


On Mon, Aug 10, 2026 at 10:07:47AM -0400, Yazen Ghannam wrote:
> 'smn_exclusive' wasn't originally intended to be used for bounds
> checking the array. But the original use is no longer needed, so it can
> be removed.

Why is it no longer needed? Apparently I didn't get that memo yet...

83518453074d ("x86/amd_node: Add SMN offsets to exclusive region access") is
talking about the potential concurrent access. Why is that ok now all of
a sudden?

Thx.

--
Regards/Gruss,
Boris.

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