Re: [PATCH v9 10/18] x86/apic: Add support to send NMI IPI for Secure AVIC
From: Borislav Petkov
Date: Mon Aug 25 2025 - 11:09:57 EST
On Mon, Aug 11, 2025 at 03:14:36PM +0530, Neeraj Upadhyay wrote:
> Secure AVIC has introduced a new field in the APIC backing page
> "NmiReq" that has to be set by the guest to request a NMI IPI
> through APIC_ICR write.
>
> Add support to set NmiReq appropriately to send NMI IPI.
>
> Sending NMI IPI also requires Virtual NMI feature to be enabled
> in VINTRL_CTRL field in the VMSA. However, this would be added by
> a later commit after adding support for injecting NMI from the
> hypervisor.
So drop this whole paragraph. No need to mention that here.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette