Re: [patch] Enable parallel scan on ata_piix

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> > Signed-off-by: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
> 
> I tend to doubt "safe", given the complicated and buggy silicon state 
> machine that recreates the legacy IDE interface on SATA...

The two channels on the ICH and PIIX are independant. There are other
controllers that have all sorts of nasty dependancies and shared state,
and there is also a bug/known limitation in the case of simplex hardware
- we don't honour the can queue checks during probing.

Alan
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