linux-kernel - [PATCH v2 3/3] x86/irq: slightly improve do

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Message-ID: <caeaca93-5ee1-cea1-8894-3aa0d5b19241@gmail.com>
Date:   Mon, 19 Aug 2019 21:36:39 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 3/3] x86/irq: slightly improve do_IRQ

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

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 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