Contributors: 28
Author Tokens Token Proportion Commits Commit Proportion
Nicolai Stange 78 23.42% 1 2.17%
Brian Gerst 71 21.32% 5 10.87%
Jan Beulich 23 6.91% 2 4.35%
Jacob jun Pan 22 6.61% 2 4.35%
Thomas Gleixner 20 6.01% 6 13.04%
Andi Kleen 19 5.71% 4 8.70%
Sean Christopherson 19 5.71% 2 4.35%
Aravind Gopalakrishnan 9 2.70% 1 2.17%
Yang Zhang 6 1.80% 1 2.17%
Ingo Molnar 6 1.80% 2 4.35%
Vitaly Kuznetsov 6 1.80% 1 2.17%
Hiroshi Shimamoto 6 1.80% 1 2.17%
Paolo Bonzini 6 1.80% 1 2.17%
Dimitri Sivanich 5 1.50% 2 4.35%
Fernando Luis Vázquez Cao 4 1.20% 1 2.17%
Wincy Van 4 1.20% 1 2.17%
Michael Kelley 4 1.20% 1 2.17%
Feng Wu 4 1.20% 1 2.17%
Peter Zijlstra 4 1.20% 2 4.35%
Dmitriy Vyukov 3 0.90% 1 2.17%
Joe Korty 3 0.90% 1 2.17%
Yakui Zhao 3 0.90% 1 2.17%
Carsten Otte 2 0.60% 1 2.17%
Andrew Lutomirski 2 0.60% 1 2.17%
Alex Shi 1 0.30% 1 2.17%
David Howells 1 0.30% 1 2.17%
Christian Bornträger 1 0.30% 1 2.17%
Greg Kroah-Hartman 1 0.30% 1 2.17%
Total 333 46 


/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_HARDIRQ_H
#define _ASM_X86_HARDIRQ_H

#include <linux/threads.h>

typedef struct {
#if IS_ENABLED(CONFIG_CPU_MITIGATIONS) && IS_ENABLED(CONFIG_KVM_INTEL)
	u8	     kvm_cpu_l1tf_flush_l1d;
#endif
	unsigned int __nmi_count;	/* arch dependent */
#ifdef CONFIG_X86_LOCAL_APIC
	unsigned int apic_timer_irqs;	/* arch dependent */
	unsigned int irq_spurious_count;
	unsigned int icr_read_retry_count;
#endif
#if IS_ENABLED(CONFIG_KVM)
	unsigned int kvm_posted_intr_ipis;
	unsigned int kvm_posted_intr_wakeup_ipis;
	unsigned int kvm_posted_intr_nested_ipis;
#endif
#ifdef CONFIG_GUEST_PERF_EVENTS
	unsigned int perf_guest_mediated_pmis;
#endif
	unsigned int x86_platform_ipis;	/* arch dependent */
	unsigned int apic_perf_irqs;
	unsigned int apic_irq_work_irqs;
#ifdef CONFIG_SMP
	unsigned int irq_resched_count;
	unsigned int irq_call_count;
#endif
	unsigned int irq_tlb_count;
#ifdef CONFIG_X86_THERMAL_VECTOR
	unsigned int irq_thermal_count;
#endif
#ifdef CONFIG_X86_MCE_THRESHOLD
	unsigned int irq_threshold_count;
#endif
#ifdef CONFIG_X86_MCE_AMD
	unsigned int irq_deferred_error_count;
#endif
#ifdef CONFIG_X86_HV_CALLBACK_VECTOR
	unsigned int irq_hv_callback_count;
#endif
#if IS_ENABLED(CONFIG_HYPERV)
	unsigned int irq_hv_reenlightenment_count;
	unsigned int hyperv_stimer0_count;
#endif
#ifdef CONFIG_X86_POSTED_MSI
	unsigned int posted_msi_notification_count;
#endif
} ____cacheline_aligned irq_cpustat_t;

DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);

#ifdef CONFIG_X86_POSTED_MSI
DECLARE_PER_CPU_ALIGNED(struct pi_desc, posted_msi_pi_desc);
#endif
#define __ARCH_IRQ_STAT

#define inc_irq_stat(member)	this_cpu_inc(irq_stat.member)

extern void ack_bad_irq(unsigned int irq);

extern u64 arch_irq_stat_cpu(unsigned int cpu);
#define arch_irq_stat_cpu	arch_irq_stat_cpu

extern u64 arch_irq_stat(void);
#define arch_irq_stat		arch_irq_stat

DECLARE_PER_CPU_CACHE_HOT(u16, __softirq_pending);
#define local_softirq_pending_ref       __softirq_pending

#if IS_ENABLED(CONFIG_CPU_MITIGATIONS) && IS_ENABLED(CONFIG_KVM_INTEL)
/*
 * This function is called from noinstr interrupt contexts
 * and must be inlined to not get instrumentation.
 */
static __always_inline void kvm_set_cpu_l1tf_flush_l1d(void)
{
	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1);
}

static __always_inline void kvm_clear_cpu_l1tf_flush_l1d(void)
{
	__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0);
}

static __always_inline bool kvm_get_cpu_l1tf_flush_l1d(void)
{
	return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d);
}
#else /* !IS_ENABLED(CONFIG_KVM_INTEL) */
static __always_inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
#endif /* IS_ENABLED(CONFIG_KVM_INTEL) */

#endif /* _ASM_X86_HARDIRQ_H */