Re: [PATCH 1/2] x86/amd_node: Remove smn_exclusive
Borislav Petkov <[email protected]>
| Newsgroups | org.kernel.vger.stable,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <20260812192805.GBanzJRTgkrti3Bm7F@fat_crate.local> |
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.
https://people.kernel.org/tglx/notes-about-netiquette