s390/pci: Add missing virt_to_phys() for directed DIBV

In commit 4e4dc65 ("s390/pci: use phys_to_virt() for AIBVs/DIBVs") the setting of dibv_addr was missed when adding virt_to_phys(). This only affects systems with directed interrupt delivery enabled which are not generally available. Fixes: 4e4dc65 ("s390/pci: use phys_to_virt() for AIBVs/DIBVs") Reviewed-by: Heiko Carstens <[email protected]> Signed-off-by: Niklas Schnelle <[email protected]> Signed-off-by: Vasily Gorbik <[email protected]>
torvalds · Jun 17, 2024 · 4181b51 · 4181b51
1 parent 693d41f
commit 4181b51
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/s390/pci/pci_irq.c b/arch/s390/pci/pci_irq.c
@@ -410,7 +410,7 @@ static void __init cpu_enable_directed_irq(void *unused)
  union zpci_sic_iib iib = {{0}};
  union zpci_sic_iib ziib = {{0}};
 
- iib.cdiib.dibv_addr = (u64) zpci_ibv[smp_processor_id()]->vector;
+ iib.cdiib.dibv_addr = virt_to_phys(zpci_ibv[smp_processor_id()]->vector);
 
  zpci_set_irq_ctrl(SIC_IRQ_MODE_SET_CPU, 0, &iib);
  zpci_set_irq_ctrl(SIC_IRQ_MODE_D_SINGLE, PCI_ISC, &ziib);