Differential D29455 Diff 86501 sys/x86/x86/local_apic.c

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sys/x86/x86/local_apic.c

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#include "opt_atpic.h"		#include "opt_atpic.h"
#include "opt_hwpmc_hooks.h"		#include "opt_hwpmc_hooks.h"

#include "opt_ddb.h"		#include "opt_ddb.h"

#include <sys/param.h>		#include <sys/param.h>
#include <sys/systm.h>		#include <sys/systm.h>
		#include <sys/asan.h>
#include <sys/bus.h>		#include <sys/bus.h>
#include <sys/kernel.h>		#include <sys/kernel.h>
#include <sys/lock.h>		#include <sys/lock.h>
#include <sys/malloc.h>		#include <sys/malloc.h>
#include <sys/mutex.h>		#include <sys/mutex.h>
#include <sys/pcpu.h>		#include <sys/pcpu.h>
#include <sys/proc.h>		#include <sys/proc.h>
#include <sys/sched.h>		#include <sys/sched.h>
▲ Show 20 Lines • Show All 1,240 Lines • ▼ Show 20 Lines	native_lapic_eoi(void)
lapic_write32_nofence(LAPIC_EOI, 0);		lapic_write32_nofence(LAPIC_EOI, 0);
}		}

void		void
lapic_handle_intr(int vector, struct trapframe *frame)		lapic_handle_intr(int vector, struct trapframe *frame)
{		{
struct intsrc *isrc;		struct intsrc *isrc;

		/* The frame may have been written into a poisoned region. */
		kasan_mark(frame, sizeof(frame), sizeof(frame), 0);

isrc = intr_lookup_source(apic_idt_to_irq(PCPU_GET(apic_id),		isrc = intr_lookup_source(apic_idt_to_irq(PCPU_GET(apic_id),
vector));		vector));
intr_execute_handlers(isrc, frame);		intr_execute_handlers(isrc, frame);
}		}

void		void
lapic_handle_timer(struct trapframe *frame)		lapic_handle_timer(struct trapframe *frame)
{		{
struct lapic *la;		struct lapic *la;
struct trapframe *oldframe;		struct trapframe *oldframe;
struct thread *td;		struct thread *td;

/* Send EOI first thing. */		/* Send EOI first thing. */
lapic_eoi();		lapic_eoi();

		/* The frame may have been written into a poisoned region. */
		kasan_mark(frame, sizeof(frame), sizeof(frame), 0);

#if defined(SMP) && !defined(SCHED_ULE)		#if defined(SMP) && !defined(SCHED_ULE)
/*		/*
* Don't do any accounting for the disabled HTT cores, since it		* Don't do any accounting for the disabled HTT cores, since it
* will provide misleading numbers for the userland.		* will provide misleading numbers for the userland.
*		*
* No locking is necessary here, since even if we lose the race		* No locking is necessary here, since even if we lose the race
* when hlt_cpus_mask changes it is not a big deal, really.		* when hlt_cpus_mask changes it is not a big deal, really.
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