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Re: x86 pcitag_t change proposal/patch
On Dec 4, 2012, at 6:59 PM, Jonathan A. Kollasch wrote:
> I'd like feedback on the attached patch.
> Commit message would be approximately as follows:
> Separate the implementation of PCI Configuration Access Mode 1 and
> Mode 2 from the x86 pcitag_t. This is desirable so that any tags
> possibly created prior to parsing of the ACPI MCFG table(s) can be
> used with a memory-mapped configuration space mechanism afterwards.
> Jonathan Kollasch
Never ever use bitfields when talking to hardware. They should only be used as
a software abstraction.
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