[PING^3][RESEND^3][PATCH v3] x86/PCI: Add support for the Intel 82378ZB/82379AB (SIO/SIO.A) PIRQ router

[Maciej W. Rozycki]

On Sun, 8 Jan 2023, Maciej W. Rozycki wrote:

> The Intel 82378ZB System I/O (SIO) and 82379AB System I/O APIC (SIO.A) 
> ISA bridges implement PCI interrupt steering with a PIRQ router[1][2] 
> that is exactly the same as that of the PIIX and ICH southbridges (or 
> actually the other way round, given that the SIO ASIC was there first).

 Ping for:
<https://lore.kernel.org/lkml/alpine.DEB.2.21.2301081956290.65308@xxxxxxxxxxxxxxxxx/>.

 I think the patch is fairly obvious.  Are there any outstanding concerns 
that prevent it from being applied?

  Maciej