From dc1528dd864a0b79fa67b60b3ca5674fe94fdce5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Sun, 24 Aug 2008 02:01:53 -0700 Subject: [PATCH] x86: apic unify smp_spurious/error_interrupt Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/apic_32.c | 24 +++++++++++++++++++++--- arch/x86/kernel/apic_64.c | 24 ++++++++++++++++++++++-- 2 files changed, 43 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c index 0ec8321e687..60a901b2d4f 100644 --- a/arch/x86/kernel/apic_32.c +++ b/arch/x86/kernel/apic_32.c @@ -1474,10 +1474,17 @@ 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 { - unsigned long v; + u32 v; +#ifdef CONFIG_X86_64 + exit_idle(); +#endif irq_enter(); /* * Check if this really is a spurious interrupt and ACK it @@ -1488,20 +1495,31 @@ void smp_spurious_interrupt(struct pt_regs *regs) if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f))) ack_APIC_irq(); +#ifdef CONFIG_X86_64 + add_pda(irq_spurious_count, 1); +#else /* see sw-dev-man vol 3, chapter 7.4.13.5 */ printk(KERN_INFO "spurious APIC interrupt on CPU#%d, " "should never happen.\n", smp_processor_id()); __get_cpu_var(irq_stat).irq_spurious_count++; +#endif irq_exit(); } /* * 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 { - unsigned long v, v1; + u32 v, v1; +#ifdef CONFIG_X86_64 + exit_idle(); +#endif irq_enter(); /* First tickle the hardware, only then report what went on. -- REW */ v = apic_read(APIC_ESR); @@ -1520,7 +1538,7 @@ void smp_error_interrupt(struct pt_regs *regs) 6: Received illegal vector 7: Illegal register address */ - printk(KERN_DEBUG "APIC error on CPU%d: %02lx(%02lx)\n", + printk(KERN_DEBUG "APIC error on CPU%d: %02x(%02x)\n", smp_processor_id(), v , v1); irq_exit(); } diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index ebe417b4d7f..c728885e4f4 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -1528,10 +1528,17 @@ 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 { - unsigned int v; + u32 v; + +#ifdef CONFIG_X86_64 exit_idle(); +#endif irq_enter(); /* * Check if this really is a spurious interrupt and ACK it @@ -1542,18 +1549,31 @@ asmlinkage void smp_spurious_interrupt(void) if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f))) ack_APIC_irq(); +#ifdef CONFIG_X86_64 add_pda(irq_spurious_count, 1); +#else + /* see sw-dev-man vol 3, chapter 7.4.13.5 */ + printk(KERN_INFO "spurious APIC interrupt on CPU#%d, " + "should never happen.\n", smp_processor_id()); + __get_cpu_var(irq_stat).irq_spurious_count++; +#endif irq_exit(); } /* * 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 { - unsigned int v, v1; + u32 v, v1; +#ifdef CONFIG_X86_64 exit_idle(); +#endif irq_enter(); /* First tickle the hardware, only then report what went on. -- REW */ v = apic_read(APIC_ESR); -- 2.41.1