Re: ahci: CAP_SSS and parallel scan

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On 05/07/2010 11:33 PM, Jeff Garzik wrote:
> I'm not sure the usefulness is limited, as it definitely avoids power
> spikes on server BIOSen that care.

So, are there actually machines which get affected by this?  In that
case, sure, the current behavior is the right one.

> Also, it seems unwise for the Linux SATA driver to do the exact
> -opposite- of what the SSS bit intends, by default.

Yeah, well, the thing is that SSS in itself doesn't really indicate
need for staggered spin up.  It just says it knows how to.

Thanks.

-- 
tejun
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