[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] arch: arm: vgic-v3: fix GICD_ISACTIVER range
Hi, Sorry for the formatting. On Sat, 9 Nov 2019, 04:27 Stefano Stabellini, <sstabellini@xxxxxxxxxx> wrote: On Thu, 7 Nov 2019, Peng Fan wrote: To be honest, I am not sure the code is correct. A read to those registers should tell you the list of interrupts active. As we always return 0, this will not return the correct state of the GIC. I know that returning the list of actives interrupts is complicated with the old vGIC, but I don't think silently ignoring it is a good idea. The question here is why the guest accessed those registers? What is it trying to figure out?
Without an understanding of the problem, I disagree with this request (see above). As an aside, the range ISPENDR has the same issue. Cheers,
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