[PATCH v2 3/3] x86/irq: slightly improve do_IRQ

From: Heiner Kallweit
Date: Mon Aug 19 2019 - 15:36:58 EST


It's simpler and more intuitive to directly check for VECTOR_UNUSED.

Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
---
arch/x86/kernel/irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index f1c8f350d..857b4d7ae 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -252,7 +252,7 @@ __visible unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
} else {
ack_APIC_irq();

- if (desc != VECTOR_RETRIGGERED && desc != VECTOR_SHUTDOWN) {
+ if (desc == VECTOR_UNUSED) {
pr_emerg_ratelimited("%s: %d.%d No irq handler for vector\n",
__func__, smp_processor_id(),
vector);
--
2.22.1