[RFC/PATCH 14/16] MPIC MSI backend

[Eric W. Biederman]

David Miller <davem at davemloft.net> writes:

>
> Interesting.
>
> This is exactly how all sparc64 chips have always worked too.  On
> sparc64 the cpu can actually read in the packets and process them.
> Can the x86 interrupt handler get at the full packet data?

I wish.  All it can get is a single byte of the packet, for selecting
what to do.  The rest of the information encodes irq type and which cpu
to send interrupt to.

Eric