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diff -up linux-3.10.0-327.sdl7.x86_64/arch/x86/include/asm/hardirq.h.undorhirqstat linux-3.10.0-327.sdl7.x86_64/arch/x86/include/asm/hardirq.h
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--- linux-3.10.0-327.sdl7.x86_64/arch/x86/include/asm/hardirq.h.undorhirqstat 2015-10-29 16:56:51.000000000 -0400
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+++ linux-3.10.0-327.sdl7.x86_64/arch/x86/include/asm/hardirq.h 2015-11-21 23:57:10.330063191 -0500
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@@ -37,18 +37,13 @@ typedef struct {
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DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
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-typedef struct {
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- unsigned int irq_hv_callback_count;
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-} ____cacheline_aligned rh_irq_cpustat_t;
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-
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-DECLARE_PER_CPU_SHARED_ALIGNED(rh_irq_cpustat_t, rh_irq_stat);
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+/* We can have at most NR_VECTORS irqs routed to a cpu at a time */
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+#define MAX_HARDIRQS_PER_CPU NR_VECTORS
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#define __ARCH_IRQ_STAT
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#define inc_irq_stat(member) this_cpu_inc(irq_stat.member)
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-#define rh_inc_irq_stat(member) this_cpu_inc(rh_irq_stat.member)
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-
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#define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending)
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#define __ARCH_SET_SOFTIRQ_PENDING
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diff -up linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/cpu/mshyperv.c.undorhirqstat linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/cpu/mshyperv.c
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--- linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/cpu/mshyperv.c.undorhirqstat 2015-10-29 16:56:51.000000000 -0400
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+++ linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/cpu/mshyperv.c 2015-11-22 00:03:55.131003266 -0500
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@@ -46,7 +46,6 @@ void hyperv_vector_handler(struct pt_reg
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irq_enter();
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exit_idle();
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- rh_inc_irq_stat(irq_hv_callback_count);
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if (vmbus_handler)
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vmbus_handler();
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diff -up linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/irq.c.undorhirqstat linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/irq.c
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--- linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/irq.c.undorhirqstat 2015-10-29 16:56:51.000000000 -0400
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+++ linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/irq.c 2015-11-21 23:58:02.526064171 -0500
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@@ -48,7 +48,6 @@ void ack_bad_irq(unsigned int irq)
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}
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#define irq_stats(x) (&per_cpu(irq_stat, x))
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-#define rh_irq_stats(x) (&per_cpu(rh_irq_stat, x))
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/*
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* /proc/interrupts printing for arch specific interrupts
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*/
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@@ -126,13 +125,6 @@ int arch_show_interrupts(struct seq_file
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seq_printf(p, "%10u ", per_cpu(mce_poll_count, j));
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seq_printf(p, " Machine check polls\n");
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#endif
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- if (test_bit(HYPERVISOR_CALLBACK_VECTOR, used_vectors)) {
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- seq_printf(p, "%*s: ", prec, "HYP");
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- for_each_online_cpu(j)
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- seq_printf(p, "%10u ",
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- rh_irq_stats(j)->irq_hv_callback_count);
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- seq_printf(p, " Hypervisor callback interrupts\n");
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- }
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seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
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#if defined(CONFIG_X86_IO_APIC)
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seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count));
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diff -up linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/irq_64.c.undorhirqstat linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/irq_64.c
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--- linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/irq_64.c.undorhirqstat 2015-10-29 16:56:51.000000000 -0400
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+++ linux-3.10.0-327.sdl7.x86_64/arch/x86/kernel/irq_64.c 2015-11-21 23:58:27.650064642 -0500
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@@ -23,8 +23,6 @@
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DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
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EXPORT_PER_CPU_SYMBOL(irq_stat);
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-DEFINE_PER_CPU_SHARED_ALIGNED(rh_irq_cpustat_t, rh_irq_stat);
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-
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DEFINE_PER_CPU(struct pt_regs *, irq_regs);
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EXPORT_PER_CPU_SYMBOL(irq_regs);
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diff -up linux-3.10.0-327.sdl7.x86_64/drivers/xen/events.c.undorhirqstat linux-3.10.0-327.sdl7.x86_64/drivers/xen/events.c
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--- linux-3.10.0-327.sdl7.x86_64/drivers/xen/events.c.undorhirqstat 2015-10-29 16:56:51.000000000 -0400
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+++ linux-3.10.0-327.sdl7.x86_64/drivers/xen/events.c 2015-11-22 00:04:18.032003696 -0500
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@@ -1446,8 +1446,6 @@ void xen_evtchn_do_upcall(struct pt_regs
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#ifdef CONFIG_X86
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exit_idle();
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#endif
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- rh_inc_irq_stat(irq_hv_callback_count);
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-
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__xen_evtchn_do_upcall();
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irq_exit();
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