Re: RFC: ACPI/scsi/libata integration and hotswap

[Erik Slagter]

On Thu, 2005-12-08 at 13:44 +0000, Christoph Hellwig wrote:
> On Thu, Dec 08, 2005 at 01:39:45PM +0000, Matthew Garrett wrote:
> > On Thu, Dec 08, 2005 at 01:33:08PM +0000, Christoph Hellwig wrote:
> > 
> > > Don't do it at all.  We don't need to fuck up every layer and driver for
> > > intels braindamage.
> > 
> > Doing SATA suspend/resume properly on x86 depends on knowing the ACPI 
> > object that corresponds to a host or target. It's also the only way to 
> > support hotswap on this hardware[1], since there's no way for userspace 
> > to know which device a notification refers to.
> 
> Well, bad luck for people buying such broken hardware.  Maybe you can trick
> Jeff into adding junk like that to libata, but it surely doesn't have any
> business in the scsi layer.

'guess You're not interested in having suspend/resume actually work on
laptops (or other PC's). That's your prerogative but imho it's a bit
narrow-minded to withhold this functionality from other people who
actually would like to have this working, just because you happen to not
like ACPI.

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