Re: [PATCH v3 1/2] x86/amd_node: Avoid divide by zero on virtualized systems

From: Borislav Petkov

Date: Wed Aug 26 2026 - 12:00:41 EST


On Wed, Aug 26, 2026 at 08:15:49AM -0400, Jason Andryuk wrote:
> num_roots is 1, but num_nodes is 2. Integer division gives 0 for
> roots_per_node.

Aha, Xen has some topology knowledge and it manages to produce 2 nodes.

I'll add that to the commit message.

Thx.

--
Regards/Gruss,
Boris.

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