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.
https://people.kernel.org/tglx/notes-about-netiquette