On Sun, 09 Oct 2022 20:41:25 -0700, Haren Myneni wrote:
> irq_default_primary_handler() can be used only with IRQF_ONESHOT
> flag, but the flag disables IRQ before executing the thread handler
> and enables it after the interrupt is handled. But this IRQ disable
> sets the VAS IRQ OFF state in the hypervisor. In case if NX faults
> during this window, the hypervisor will not deliver the fault
> interrupt to the partition and the user space may wait continuously
> for the CSB update. So use VAS specific IRQ handler instead of
> calling the default primary handler.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/pseries/vas: Add VAS IRQ primary handler
https://git.kernel.org/powerpc/c/89ed0b769d6adf30364f60e6b1566961821a9893
cheers
