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Date: Wed, 14 Oct 2009 09:22:57 -0500
From: Dimitri Sivanich <sivanich@....com>
To: Ingo Molnar <mingo@...e.hu>
Cc: linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 4/4 v2] X86: UV RTC rename generic_interrupt
Rename generic_interrupt to x86_platform_ipi.
Signed-off-by: Dimitri Sivanich <sivanich@....com>
---
arch/x86/include/asm/entry_arch.h | 2 +-
arch/x86/include/asm/hardirq.h | 2 +-
arch/x86/include/asm/hw_irq.h | 4 ++--
arch/x86/include/asm/irq.h | 2 +-
arch/x86/include/asm/irq_vectors.h | 2 +-
arch/x86/kernel/entry_64.S | 4 ++--
arch/x86/kernel/irq.c | 20 ++++++++++----------
arch/x86/kernel/irqinit.c | 4 ++--
arch/x86/kernel/uv_time.c | 10 +++++-----
9 files changed, 25 insertions(+), 25 deletions(-)
Index: linux/arch/x86/include/asm/entry_arch.h
===================================================================
--- linux.orig/arch/x86/include/asm/entry_arch.h 2009-10-13 08:50:43.000000000 -0500
+++ linux/arch/x86/include/asm/entry_arch.h 2009-10-13 08:57:41.000000000 -0500
@@ -34,7 +34,7 @@ BUILD_INTERRUPT3(invalidate_interrupt7,I
smp_invalidate_interrupt)
#endif
-BUILD_INTERRUPT(generic_interrupt, GENERIC_INTERRUPT_VECTOR)
+BUILD_INTERRUPT(x86_platform_ipi, X86_PLATFORM_IPI_VECTOR)
/*
* every pentium local APIC has two 'local interrupts', with a
Index: linux/arch/x86/include/asm/hardirq.h
===================================================================
--- linux.orig/arch/x86/include/asm/hardirq.h 2009-10-13 08:50:43.000000000 -0500
+++ linux/arch/x86/include/asm/hardirq.h 2009-10-13 08:57:41.000000000 -0500
@@ -12,7 +12,7 @@ typedef struct {
unsigned int apic_timer_irqs; /* arch dependent */
unsigned int irq_spurious_count;
#endif
- unsigned int generic_irqs; /* arch dependent */
+ unsigned int x86_platform_ipis; /* arch dependent */
unsigned int apic_perf_irqs;
unsigned int apic_pending_irqs;
#ifdef CONFIG_SMP
Index: linux/arch/x86/include/asm/hw_irq.h
===================================================================
--- linux.orig/arch/x86/include/asm/hw_irq.h 2009-10-13 08:50:43.000000000 -0500
+++ linux/arch/x86/include/asm/hw_irq.h 2009-10-13 09:03:39.000000000 -0500
@@ -27,7 +27,7 @@
/* Interrupt handlers registered during init_IRQ */
extern void apic_timer_interrupt(void);
-extern void generic_interrupt(void);
+extern void x86_platform_ipi(void);
extern void error_interrupt(void);
extern void perf_pending_interrupt(void);
@@ -101,7 +101,7 @@ extern void eisa_set_level_irq(unsigned
/* SMP */
extern void smp_apic_timer_interrupt(struct pt_regs *);
extern void smp_spurious_interrupt(struct pt_regs *);
-extern void smp_generic_interrupt(struct pt_regs *);
+extern void smp_x86_platform_ipi(struct pt_regs *);
extern void smp_error_interrupt(struct pt_regs *);
#ifdef CONFIG_X86_IO_APIC
extern asmlinkage void smp_irq_move_cleanup_interrupt(void);
Index: linux/arch/x86/include/asm/irq_vectors.h
===================================================================
--- linux.orig/arch/x86/include/asm/irq_vectors.h 2009-10-13 08:50:43.000000000 -0500
+++ linux/arch/x86/include/asm/irq_vectors.h 2009-10-13 08:57:41.000000000 -0500
@@ -106,7 +106,7 @@
/*
* Generic system vector for platform specific use
*/
-#define GENERIC_INTERRUPT_VECTOR 0xed
+#define X86_PLATFORM_IPI_VECTOR 0xed
/*
* Performance monitoring pending work vector:
Index: linux/arch/x86/kernel/entry_64.S
===================================================================
--- linux.orig/arch/x86/kernel/entry_64.S 2009-10-13 08:50:43.000000000 -0500
+++ linux/arch/x86/kernel/entry_64.S 2009-10-13 09:04:04.000000000 -0500
@@ -969,8 +969,8 @@ apicinterrupt UV_BAU_MESSAGE \
#endif
apicinterrupt LOCAL_TIMER_VECTOR \
apic_timer_interrupt smp_apic_timer_interrupt
-apicinterrupt GENERIC_INTERRUPT_VECTOR \
- generic_interrupt smp_generic_interrupt
+apicinterrupt X86_PLATFORM_IPI_VECTOR \
+ x86_platform_ipi smp_x86_platform_ipi
#ifdef CONFIG_SMP
apicinterrupt INVALIDATE_TLB_VECTOR_START+0 \
Index: linux/arch/x86/kernel/irq.c
===================================================================
--- linux.orig/arch/x86/kernel/irq.c 2009-10-13 08:50:44.000000000 -0500
+++ linux/arch/x86/kernel/irq.c 2009-10-13 09:04:41.000000000 -0500
@@ -18,7 +18,7 @@
atomic_t irq_err_count;
/* Function pointer for generic interrupt vector handling */
-void (*generic_interrupt_extension)(void) = NULL;
+void (*x86_platform_ipi_callback)(void) = NULL;
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
@@ -72,10 +72,10 @@ static int show_other_interrupts(struct
seq_printf(p, "%10u ", irq_stats(j)->apic_pending_irqs);
seq_printf(p, " Performance pending work\n");
#endif
- if (generic_interrupt_extension) {
+ if (x86_platform_ipi_callback) {
seq_printf(p, "%*s: ", prec, "PLT");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", irq_stats(j)->generic_irqs);
+ seq_printf(p, "%10u ", irq_stats(j)->x86_platform_ipis);
seq_printf(p, " Platform interrupts\n");
}
#ifdef CONFIG_SMP
@@ -187,8 +187,8 @@ u64 arch_irq_stat_cpu(unsigned int cpu)
sum += irq_stats(cpu)->apic_perf_irqs;
sum += irq_stats(cpu)->apic_pending_irqs;
#endif
- if (generic_interrupt_extension)
- sum += irq_stats(cpu)->generic_irqs;
+ if (x86_platform_ipi_callback)
+ sum += irq_stats(cpu)->x86_platform_ipis;
#ifdef CONFIG_SMP
sum += irq_stats(cpu)->irq_resched_count;
sum += irq_stats(cpu)->irq_call_count;
@@ -251,9 +251,9 @@ unsigned int __irq_entry do_IRQ(struct p
}
/*
- * Handler for GENERIC_INTERRUPT_VECTOR.
+ * Handler for X86_PLATFORM_IPI_VECTOR.
*/
-void smp_generic_interrupt(struct pt_regs *regs)
+void smp_x86_platform_ipi(struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);
@@ -263,10 +263,10 @@ void smp_generic_interrupt(struct pt_reg
irq_enter();
- inc_irq_stat(generic_irqs);
+ inc_irq_stat(x86_platform_ipis);
- if (generic_interrupt_extension)
- generic_interrupt_extension();
+ if (x86_platform_ipi_callback)
+ x86_platform_ipi_callback();
irq_exit();
Index: linux/arch/x86/kernel/irqinit.c
===================================================================
--- linux.orig/arch/x86/kernel/irqinit.c 2009-10-13 08:50:43.000000000 -0500
+++ linux/arch/x86/kernel/irqinit.c 2009-10-13 08:57:41.000000000 -0500
@@ -200,8 +200,8 @@ static void __init apic_intr_init(void)
/* self generated IPI for local APIC timer */
alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
- /* generic IPI for platform specific use */
- alloc_intr_gate(GENERIC_INTERRUPT_VECTOR, generic_interrupt);
+ /* IPI for X86 platform specific use */
+ alloc_intr_gate(X86_PLATFORM_IPI_VECTOR, x86_platform_ipi);
/* IPI vectors for APIC spurious and error interrupts */
alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
Index: linux/arch/x86/kernel/uv_time.c
===================================================================
--- linux.orig/arch/x86/kernel/uv_time.c 2009-10-13 08:56:12.000000000 -0500
+++ linux/arch/x86/kernel/uv_time.c 2009-10-13 08:57:41.000000000 -0500
@@ -91,7 +91,7 @@ static void uv_rtc_send_IPI(int cpu)
pnode = uv_apicid_to_pnode(apicid);
val = (1UL << UVH_IPI_INT_SEND_SHFT) |
(apicid << UVH_IPI_INT_APIC_ID_SHFT) |
- (GENERIC_INTERRUPT_VECTOR << UVH_IPI_INT_VECTOR_SHFT);
+ (X86_PLATFORM_IPI_VECTOR << UVH_IPI_INT_VECTOR_SHFT);
uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
}
@@ -116,7 +116,7 @@ static int uv_setup_intr(int cpu, u64 ex
uv_write_global_mmr64(pnode, UVH_EVENT_OCCURRED0_ALIAS,
UVH_EVENT_OCCURRED0_RTC1_MASK);
- val = (GENERIC_INTERRUPT_VECTOR << UVH_RTC1_INT_CONFIG_VECTOR_SHFT) |
+ val = (X86_PLATFORM_IPI_VECTOR << UVH_RTC1_INT_CONFIG_VECTOR_SHFT) |
((u64)cpu_physical_id(cpu) << UVH_RTC1_INT_CONFIG_APIC_ID_SHFT);
/* Set configuration */
@@ -364,7 +364,7 @@ static __init int uv_rtc_setup_clock(voi
{
int rc;
- if (!uv_rtc_enable || !is_uv_system() || generic_interrupt_extension)
+ if (!uv_rtc_enable || !is_uv_system() || x86_platform_ipi_callback)
return -ENODEV;
clocksource_uv.mult = clocksource_hz2mult(sn_rtc_cycles_per_second,
@@ -385,7 +385,7 @@ static __init int uv_rtc_setup_clock(voi
if (rc)
goto error;
- generic_interrupt_extension = uv_rtc_interrupt;
+ x86_platform_ipi_callback = uv_rtc_interrupt;
clock_event_device_uv.mult = div_sc(sn_rtc_cycles_per_second,
NSEC_PER_SEC, clock_event_device_uv.shift);
@@ -398,7 +398,7 @@ static __init int uv_rtc_setup_clock(voi
rc = schedule_on_each_cpu(uv_rtc_register_clockevents);
if (rc) {
- generic_interrupt_extension = NULL;
+ x86_platform_ipi_callback = NULL;
uv_rtc_deallocate_timers();
goto error;
}
Index: linux/arch/x86/include/asm/irq.h
===================================================================
--- linux.orig/arch/x86/include/asm/irq.h 2009-10-13 08:50:43.000000000 -0500
+++ linux/arch/x86/include/asm/irq.h 2009-10-13 08:57:41.000000000 -0500
@@ -36,7 +36,7 @@ static inline int irq_canonicalize(int i
extern void fixup_irqs(void);
#endif
-extern void (*generic_interrupt_extension)(void);
+extern void (*x86_platform_ipi_callback)(void);
extern void native_init_IRQ(void);
extern bool handle_irq(unsigned irq, struct pt_regs *regs);
--
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