[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v5 03/10] xen/arm: set GICH_HCR_UIE if all the LRs are in use
On Mon, 2014-03-24 at 18:49 +0000, Stefano Stabellini wrote: > On return to guest, if there are no free LRs and we still have more > interrupt to inject, set GICH_HCR_UIE so that we are going to receive a > maintenance interrupt when no pending interrupts are present in the LR > registers. > The maintenance interrupt handler won't do anything anymore, but > receiving the interrupt is going to cause gic_inject to be called on > return to guest that is going to clear the old LRs and inject new > interrupts. > > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> > Acked-by: Julien Grall <julien.grall@xxxxxxxxxx> > > --- > > Changes in v5: > - introduce lr_all_full() helper. I see you've also added the comment to the interrupt handler which was requested last time but in the next patch where it also logically belongs. Make sense. Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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