Re: [Xen-devel] [PATCH][RFC]Move PCI Configuration Spaces from Dom0 toXen

[Espen Skoglund <espen.skoglund@xxxxxxxxxxxxx>]

Actually, byte or word accesses in the cf8-cfb range should be passed
through as is.  Only dword accesses to cf8 should be latched into the
config-address register.  The original patch is right in the way it
handles sub-dword accesses.

        eSk


[Jan Beulich]
> Also I find it a little odd that you allow access to ports cf9...cfb
> rather than properly handling namely byte accesses to cf9. Likewise
> it doesn't consider the (albeit unlikely) case of multi-byte
> accesses to ports crossing the cf8/cfc boundary.







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