In case of nested MSHV, retargeting interrupt hypercall should be sent to L0 hypervisor instead of L1 hypervisor. Signed-off-by: Jinank Jain <jinankjain@xxxxxxxxxxxxxxxxxxx> --- drivers/pci/controller/pci-hyperv.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index f33370b75628..2123f632ecf7 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -704,8 +704,14 @@ static void hv_arch_irq_unmask(struct irq_data *data) } } - res = hv_do_hypercall(HVCALL_RETARGET_INTERRUPT | (var_size << 17), - params, NULL); + if (hv_nested) + res = hv_do_nested_hypercall(HVCALL_RETARGET_INTERRUPT | + (var_size << 17), + params, NULL); + else + res = hv_do_hypercall(HVCALL_RETARGET_INTERRUPT | + (var_size << 17), + params, NULL); exit_unlock: spin_unlock_irqrestore(&hbus->retarget_msi_interrupt_lock, flags); -- 2.34.1
