diff mbox series

[v7,08/24] iommu/vt-d: Set the IRTE delivery mode individually for each interrupt

Message ID 20230301234753.28582-9-ricardo.neri-calderon@linux.intel.com (mailing list archive)
State Handled Elsewhere
Headers show
Series x86: Implement an HPET-based hardlockup detector | expand

Commit Message

Ricardo Neri March 1, 2023, 11:47 p.m. UTC 
Use the mode specified in the provided interrupt hardware configuration
data to set the delivery mode.

Since most interrupts are configured to use the delivery mode of the APIC
driver, there are no functional changes. The only exception are interrupts
that do specify a different delivery mode.

Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: "Ravi V. Shankar" <ravi.v.shankar@intel.com>
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: iommu@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
---
Changes since v6:
 * None

Changes since v5:
 * Introduced this patch.

Changes since v4:
 * N/A

Changes since v3:
 * N/A

Changes since v2:
 * N/A

Changes since v1:
 * N/A
---
 drivers/iommu/intel/irq_remapping.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iommu/intel/irq_remapping.c b/drivers/iommu/intel/irq_remapping.c
index 1fe30c31fcbe..7b58406ea8d2 100644
--- a/drivers/iommu/intel/irq_remapping.c
+++ b/drivers/iommu/intel/irq_remapping.c
@@ -1120,7 +1120,7 @@  static void prepare_irte(struct irte *irte, struct irq_cfg *irq_cfg)
 	 * irq migration in the presence of interrupt-remapping.
 	*/
 	irte->trigger_mode = 0;
-	irte->dlvry_mode = apic->delivery_mode;
+	irte->dlvry_mode = irq_cfg->delivery_mode;
 	irte->vector = irq_cfg->vector;
 	irte->dest_id = IRTE_DEST(irq_cfg->dest_apicid);