Matthew Wilcox wrote:
> On Tue, Feb 01, 2005 at 11:35:05AM -0600, Brian King wrote:
> 
>>>If we've done a write to config space while the adapter was blocked,
>>>shouldn't we replay those accesses at this point?
>>
>>I did not think that was necessary.
> 
> 
> We have to do *something*.  We can't just throw away writes.
> 
> I see a few options:
> 
>  - Log all pending writes to config space and replay the log when the
>    device is unblocked.
>  - Fail writes to config space while the device is blocked.
>  - Write to the saved config space and then blat the saved config space
>    back to the device upon unblocking.

Here is an updated patch which will now fail writes to config space 
while the device is blocked. I have also fixed up the caching to return 
the correct data and tested it on both little endian and big endian 
machines.

-- 
Brian King
eServer Storage I/O
IBM Linux Technology Center