linux-kernel - [PATCH] x86: apic - unify smp_spurious/error

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Date:	Mon, 25 Aug 2008 21:27:26 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Ingo Molnar <mingo@...e.hu>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: apic - unify smp_spurious/error_interrupt declaration

According to entry_64.S we do pass pt_regs pointer
into interrupt handlers but don't use them. So we
safetly may merge the declarations.

Signed-off-by: Cyrill Gorcunov <gorcunov@...il.com>
---

Index: linux-2.6.git/arch/x86/kernel/apic.c
===================================================================
--- linux-2.6.git.orig/arch/x86/kernel/apic.c	2008-08-25 19:46:29.000000000 +0400
+++ linux-2.6.git/arch/x86/kernel/apic.c	2008-08-25 21:04:14.000000000 +0400
@@ -1659,11 +1659,7 @@ int __init APIC_init_uniprocessor(void)
 /*
  * This interrupt should _never_ happen with our APIC/SMP architecture
  */
-#ifdef CONFIG_X86_64
-asmlinkage void smp_spurious_interrupt(void)
-#else
 void smp_spurious_interrupt(struct pt_regs *regs)
-#endif
 {
 	u32 v;
 
@@ -1694,11 +1690,7 @@ void smp_spurious_interrupt(struct pt_re
 /*
  * This interrupt should never happen with our APIC/SMP architecture
  */
-#ifdef CONFIG_X86_64
-asmlinkage void smp_error_interrupt(void)
-#else
 void smp_error_interrupt(struct pt_regs *regs)
-#endif
 {
 	u32 v, v1;
 
Index: linux-2.6.git/include/asm-x86/hw_irq.h
===================================================================
--- linux-2.6.git.orig/include/asm-x86/hw_irq.h	2008-08-24 12:56:26.000000000 +0400
+++ linux-2.6.git/include/asm-x86/hw_irq.h	2008-08-25 21:05:20.000000000 +0400
@@ -96,13 +96,8 @@ extern asmlinkage void qic_call_function
 
 /* SMP */
 extern void smp_apic_timer_interrupt(struct pt_regs *);
-#ifdef CONFIG_X86_32
 extern void smp_spurious_interrupt(struct pt_regs *);
 extern void smp_error_interrupt(struct pt_regs *);
-#else
-extern asmlinkage void smp_spurious_interrupt(void);
-extern asmlinkage void smp_error_interrupt(void);
-#endif
 #ifdef CONFIG_X86_SMP
 extern void smp_reschedule_interrupt(struct pt_regs *);
 extern void smp_call_function_interrupt(struct pt_regs *);
--
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