linux-kernel - [tip: x86/entry] x86/irq: Remove useless return value from do

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Date:   Thu, 27 Feb 2020 14:15:57 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Alexandre Chartre <alexandre.chartre@...cle.com>,
        Andy Lutomirski <luto@...nel.org>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: x86/entry] x86/irq: Remove useless return value from do_IRQ()

The following commit has been merged into the x86/entry branch of tip:

Commit-ID:     17dbedb5da184b501c5c51fc78d1071005139e48
Gitweb:        https://git.kernel.org/tip/17dbedb5da184b501c5c51fc78d1071005139e48
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Tue, 25 Feb 2020 22:36:43 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 27 Feb 2020 14:48:40 +01:00

x86/irq: Remove useless return value from do_IRQ()

Nothing is using it.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@...cle.com>
Reviewed-by: Andy Lutomirski <luto@...nel.org>
Link: https://lkml.kernel.org/r/20200225220216.826870369@linutronix.de

---
 arch/x86/include/asm/irq.h | 2 +-
 arch/x86/kernel/irq.c      | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h
index a176f61..72fba0e 100644
--- a/arch/x86/include/asm/irq.h
+++ b/arch/x86/include/asm/irq.h
@@ -36,7 +36,7 @@ extern void native_init_IRQ(void);
 
 extern void handle_irq(struct irq_desc *desc, struct pt_regs *regs);
 
-extern __visible unsigned int do_IRQ(struct pt_regs *regs);
+extern __visible void do_IRQ(struct pt_regs *regs);
 
 extern void init_ISA_irqs(void);
 
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 21efee3..c7965ff 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -230,7 +230,7 @@ u64 arch_irq_stat(void)
  * SMP cross-CPU interrupts have their own specific
  * handlers).
  */
-__visible unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
+__visible void __irq_entry do_IRQ(struct pt_regs *regs)
 {
 	struct pt_regs *old_regs = set_irq_regs(regs);
 	struct irq_desc * desc;
@@ -263,7 +263,6 @@ __visible unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
 	exiting_irq();
 
 	set_irq_regs(old_regs);
-	return 1;
 }
 
 #ifdef CONFIG_X86_LOCAL_APIC