Re: [PATCH] libata: Integrate ACPI-based PATA/SATA hotplug - version 2

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Matthew Garrett wrote:
> On Fri, Sep 21, 2007 at 12:08:07PM +0900, Tejun Heo wrote:
> 
>> Yeah, that's the intended behavior.  SATA PHY link can break from time
>> to time (have ever seen a SATA storage box going through ECC testing?
>> PHY goes offline as soon as you begin to hit it with some EM pulses) and
>> you don't really wanna lose your root partition over power fluctuation.
> 
> In this case we explicitly know that it's in response to a hotplug event 
> (well, either that or the firmware is on impressive crack). Would it be 
> possible to communicate that in order to avoid the revalidation?

No, I don't thinks so && I don't really think trusting firmware that
much is a good idea.  Also, it's much better to fix the problem in
general than just fixing it for the firmware case which will be much
less than the rest.

-- 
tejun
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