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Diffstat (limited to 'arch/x86/kernel/irq.c')
-rw-r--r--arch/x86/kernel/irq.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index ac0631d8996f..3a8185c042a2 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -18,6 +18,9 @@
#include <asm/mce.h>
#include <asm/hw_irq.h>
+#define CREATE_TRACE_POINTS
+#include <asm/trace/irq_vectors.h>
+
atomic_t irq_err_count;
/* Function pointer for generic interrupt vector handling */
@@ -204,23 +207,21 @@ unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
/*
* Handler for X86_PLATFORM_IPI_VECTOR.
*/
-void smp_x86_platform_ipi(struct pt_regs *regs)
+void __smp_x86_platform_ipi(void)
{
- struct pt_regs *old_regs = set_irq_regs(regs);
-
- ack_APIC_irq();
-
- irq_enter();
-
- exit_idle();
-
inc_irq_stat(x86_platform_ipis);
if (x86_platform_ipi_callback)
x86_platform_ipi_callback();
+}
- irq_exit();
+void smp_x86_platform_ipi(struct pt_regs *regs)
+{
+ struct pt_regs *old_regs = set_irq_regs(regs);
+ entering_ack_irq();
+ __smp_x86_platform_ipi();
+ exiting_irq();
set_irq_regs(old_regs);
}
@@ -246,6 +247,18 @@ void smp_kvm_posted_intr_ipi(struct pt_regs *regs)
}
#endif
+void smp_trace_x86_platform_ipi(struct pt_regs *regs)
+{
+ struct pt_regs *old_regs = set_irq_regs(regs);
+
+ entering_ack_irq();
+ trace_x86_platform_ipi_entry(X86_PLATFORM_IPI_VECTOR);
+ __smp_x86_platform_ipi();
+ trace_x86_platform_ipi_exit(X86_PLATFORM_IPI_VECTOR);
+ exiting_irq();
+ set_irq_regs(old_regs);
+}
+
EXPORT_SYMBOL_GPL(vector_used_by_percpu_irq);
#ifdef CONFIG_HOTPLUG_CPU