Re: [PATCH] libata: fix combined mode (was Re: Happy New Year (and v2.6.20-rc3 released))

Jeff Garzik
2007-01-02T23:01:56Z

Alan wrote:
>>> We use BAR5 on two devices in legacy mode. Both of those reserve all the
>>> other resources.
>> Translation: You want to hand-wave away an obvious regression that YOU
>> have created with your fix-to-a-fix.
>
> It's not regressing anything.

False:

2.6.0 - 2.6.19: libata guarantees that all PCI BARs are reserved to the
libata driver.

2.6.20: no guarantee that all PCI BARs are reserved to libata driver.
Real-life ata_piix example already provided, where a PCI BAR is no
longer reserved to the driver.

2.6.21 - infinity: libata guarantees that all PCI BARs are reserved to
the driver.

Jeff