On Thu, 20 Nov 2014, Julien Grall wrote: > On 11/20/2014 11:02 AM, Julien Grall wrote: > > Hi Stefano, > > > > On 11/20/2014 10:53 AM, Stefano Stabellini wrote: > >> UIE being set can cause maintenance interrupts to occur when Xen writes > >> to one or more LR registers. The effect is a busy loop around the > >> interrupt handler in Xen > >> (http://marc.info/?l=xen-devel&m=141597517132682): everything gets stuck. > >> > >> Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com> > >> Reported-and-Tested-by: Andrii Tseglytskyi > >> <andrii.tseglyts...@globallogic.com> > >> CC: konrad.w...@oracle.com > >> --- > >> > >> Konrad, this fixes an actual bug, at least on OMAP5. It should have no > >> bad side effects on any other platforms as far as I can tell. It should > >> go in 4.5. > > > > From Andrii's mail, there is a bad side effect. We can receive spurious > > interrupt. > > > > On V1, you said that you tried this patch on midway. I would prefer if > > you give a try on platform that would really be used (such as xgene or > > seattle). As we know Midway won't be used in prod. > > And maybe give a try to gicv3 too as it's common code.
I don't have a gicv3 test environment ready but it works on xgene too _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
