Messages in this thread | | | Date | Mon, 3 Oct 2011 22:35:45 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: xen: IPI interrupts not resumed early enough on suspend/resume |
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On Mon, 3 Oct 2011, Ian Campbell wrote: > On Mon, 2011-10-03 at 19:42 +0100, Thomas Gleixner wrote: > > On Mon, 3 Oct 2011, Ian Campbell wrote: > > > I can see a few options for how I might go about solving this in a > > > non-hacky way, which approach do you think would be preferable: > > > > The question is whether you need to disable the IPI interrupt at > > all. If not, we have a flag for that. > > We already that flag for these (I think that was why it was added even). > The issue is that in the resuming domain on the other side event > channels all start off masked and something needs to unmask them.
Bah.
> > > * Add "IRQF_RESUME_EARLY", driven from syscore_resume, and use it > > > for these interrupts. > > > > That's the preferable solution, as we could use that for PPC as well, > > unless we can move stuff around, so we disable stuff later. > > OK
I guess we should go down that road then.
Thanks,
tglx
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