The NMI vector is fixed. No cleanup is needed after updating affinity.
Cc: Andi Kleen <a...@linux.intel.com>
Cc: "Ravi V. Shankar" <ravi.v.shan...@intel.com>
Cc: Stephane Eranian <eran...@google.com>
Cc: io...@lists.linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Ricardo Neri <ricardo.neri-calde...@linux.intel.com>
---
Changes since v6:
* Introduced this patch.
Changes since v5:
* N/A
Changes since v4:
* N/A
Changes since v3:
* N/A
Changes since v2:
* N/A
Changes since v1:
* N/A
---
arch/x86/kernel/apic/vector.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index a4cf041427cb..3045823ecc1b 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -1050,6 +1050,10 @@ void send_cleanup_vector(struct irq_cfg *cfg)
{
struct apic_chip_data *apicd;
+ /* NMI has a fixed vector. No vector management required. */
+ if (cfg->delivery_mode == APIC_DELIVERY_MODE_NMI)
+ return;
+
apicd = container_of(cfg, struct apic_chip_data, hw_irq_cfg);
if (apicd->move_in_progress)
__send_cleanup_vector(apicd);
--
2.25.1
