Re: Correct use of ap->lock versus ap->host->lock ?

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Jeff Garzik <jgarzik@xxxxxxxxx> writes:

> Mark Lord wrote:
> > The big difference here, is that a single SATA controller in a system
> > can have up to eight quasi-independent ports.  So when we lock, we block
> > activity on all 8 interfaces, rather than just the one we care about.
> 
>   ...hence the mention of multi-port NICs.

Multi port nics typically have one spinlock per port though, don't they?

-Andi
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