On Tue, 28 Nov 2006, Jeff Garzik wrote:
> 
> ap->host (struct ata_host) already has a spinlock for precisely just that...
> :)

Right, but do we actually take it? I'm not seing any spin_lock's in 
ata_piix.c, but I don't know the SATA layers enough to say whether upper 
layers take it or not..

                Linus
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