Re: Reworking suspend-resume sequence (was: Re: PCI PM: Restore standard config registers of all devices early)

Russell King
2009-02-04T10:11:59Z

On Tue, Feb 03, 2009 at 10:12:04PM +0100, Thomas Gleixner wrote:
> On Tue, 3 Feb 2009, Ingo Molnar wrote:
> > So i'd still like your tentative Signed-off-by for your patch - it's i think
> > not v2.6.29 material but if it stays problem free in testing we can try it
> > in v2.6.30. If it causes problem it will be clearly bisectable and clearly
> > revertable.
> >
> > Maybe we could split it in two: and for MSI we could introduce a 'simpler
> > and faster' edge flow as well - and keep the legacy handler untouched. That
> > way it's low-risk in its entirety. (and avoids the MSI ->mask complication
> > as well.)
>
> Yes, seperating out the MSI handler into it's own flow control is the
> right way to go. We had trouble with real edge hardware and IIRC most
> of the problems originated from ARM. rmk ??

No idea, too long ago.

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/