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SubjectRe: [PATCH 2/3] PCI: Suspend and resume PCI Express ports with interrupts disabled
Date
On Saturday, December 6, 2008 9:46 am Rafael J. Wysocki wrote:
> On Saturday, 6 of December 2008, Linus Torvalds wrote:
> > On Sat, 6 Dec 2008, Rafael J. Wysocki wrote:
> > > I think it should go through Jesse?
> >
> > Probably correct. And we want it in -next, so that it can get some
> > testing even before I open the merge window. Because I hope everybody
> > realizes that there's no way we're doing this in 2.6.28, and we'll leave
> > the broken and unreliable suspend.
> >
> > Because afaik this is not a new bug (I tried to push a patch to do
> > suspend_late/resume_early for the PCI code a _loong_ time ago, but it
> > never got merged), and the only reason it showed up as a regression was
> > almost certainly simply that we've always had this.
> >
> > IOW, suspend/resume has always been dodgy wrt interrupts, and there's
> > some luck involved. And your machine just happened to get unlucky.
> >
> > I'd love to fix this in 2.6.28, but it's just not reasonable - it needs
> > widespread testing with an early -rc merge. And if it turns out to fix a
> > lot of machines, and there are no regressions, we can always back-port it
> > later.
>
> I agree.

I'll stuff it into my -next branch tonight.

--
Jesse Barnes, Intel Open Source Technology Center



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