Re: [RFC PATCH v3 01/27] x86/apic: Propagate APIC_SPIV writes to hv for Secure AVIC

[Borislav Petkov]

On Wed, Jul 08, 2026 at 12:01:59PM +0530, Naveen N Rao (AMD) wrote:
> From: Neeraj Upadhyay <Neeraj.Upadhyay@xxxxxxx>
> 
> Hypervisor needs to be aware of the VAPIC's APIC_SPIV state for
> LVT masking/unmasking. So, propagate the guest's APIC_SPIV
> writes to the hypervisor.
> 
> Fixes: c822f58a4fab ("x86/apic: Populate .read()/.write() callbacks of Secure AVIC driver")

What is that patch actually fixing?

Does it need to go to stable?

SPIV needs to be masked and unmasked by the guest?

Doesn't seem too earth-shattering to me but what do I know...

> Signed-off-by: Neeraj Upadhyay <Neeraj.Upadhyay@xxxxxxx>

verify_tags: WARNING: Sender ["Naveen N Rao (AMD)" <naveen@xxxxxxxxxx>] hasn't signed off on the patch!

When you send someone else's patch, you *must* put you SOB after hers/his.

Thx.

-- 
Regards/Gruss,
    Boris.

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