diff options
| -rw-r--r-- | arch/riscv/kvm/aia.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/riscv/kvm/aia.c b/arch/riscv/kvm/aia.c index 17ae4a7c0e94..8ffae0330c89 100644 --- a/arch/riscv/kvm/aia.c +++ b/arch/riscv/kvm/aia.c @@ -499,6 +499,10 @@ static int aia_hgei_init(void) hgctrl->free_bitmap = 0; } + /* Skip SGEI interrupt setup for zero guest external interrupts */ + if (!kvm_riscv_aia_nr_hgei) + goto skip_sgei_interrupt; + /* Find INTC irq domain */ domain = irq_find_matching_fwnode(riscv_get_intc_hwnode(), DOMAIN_BUS_ANY); @@ -522,11 +526,16 @@ static int aia_hgei_init(void) return rc; } +skip_sgei_interrupt: return 0; } static void aia_hgei_exit(void) { + /* Do nothing for zero guest external interrupts */ + if (!kvm_riscv_aia_nr_hgei) + return; + /* Free per-CPU SGEI interrupt */ free_percpu_irq(hgei_parent_irq, &aia_hgei); } |