[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH for-4.15] xen/vgic: Implement write to ISPENDR in vGICv{2, 3}
Julien Grall writes ("[PATCH for-4.15] xen/vgic: Implement write to ISPENDR in vGICv{2, 3}"): > From: Julien Grall <jgrall@xxxxxxxxxx> > > Currently, Xen will send a data abort to a guest trying to write to the > ISPENDR. > > Unfortunately, recent version of Linux (at least 5.9+) will start > writing to the register if the interrupt needs to be re-triggered > (see the callback irq_retrigger). This can happen when a driver (such as > the xgbe network driver on AMD Seattle) re-enable an interrupt: Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>
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