Re: [PATCH RFC 12/13] iommu/vt-d: Add a helper to retrieve PID address

[Jacob Pan]

Hi Thomas,

On Tue, 13 Feb 2024 09:21:47 +0100, Thomas Gleixner <tglx@xxxxxxxxxxxxx>
wrote:

> > Here the parent APIC chip does apic_set_affinity() which will set up
> > effective mask before posted MSI affinity change.
> >
> > Maybe I missed some cases?  
> 
> The function is only used in intel_ir_reconfigure_irte_posted() in the
> next patch, but it's generally available. So I asked that question
> because if it's called in some other context then it's going to be not
> guaranteed.
> 
> That also begs the question why this function exists in the first
> place. This really can be part of intel_ir_reconfigure_irte_posted(),
> which makes it clear what the context is, no?
Make sense, will fold it in next time.

Thanks,

Jacob