mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 17:30:02 +00:00
![Wincy Van](/assets/img/avatar_default.png)
We are using the same vector for nested/non-nested posted interrupts delivery, this may cause interrupts latency in L1 since we can't kick the L2 vcpu out of vmx-nonroot mode. This patch introduces a new vector which is only for nested posted interrupts to solve the problems above. Signed-off-by: Wincy Van <fanwenyi0529@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
#ifndef _ASM_X86_HARDIRQ_H
|
|
#define _ASM_X86_HARDIRQ_H
|
|
|
|
#include <linux/threads.h>
|
|
#include <linux/irq.h>
|
|
|
|
typedef struct {
|
|
unsigned int __softirq_pending;
|
|
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
|
|
#ifdef CONFIG_HAVE_KVM
|
|
unsigned int kvm_posted_intr_ipis;
|
|
unsigned int kvm_posted_intr_wakeup_ipis;
|
|
unsigned int kvm_posted_intr_nested_ipis;
|
|
#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
|
|
#if IS_ENABLED(CONFIG_HYPERV) || defined(CONFIG_XEN)
|
|
unsigned int irq_hv_callback_count;
|
|
#endif
|
|
} ____cacheline_aligned irq_cpustat_t;
|
|
|
|
DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
|
|
|
|
#define __ARCH_IRQ_STAT
|
|
|
|
#define inc_irq_stat(member) this_cpu_inc(irq_stat.member)
|
|
|
|
#define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending)
|
|
|
|
#define __ARCH_SET_SOFTIRQ_PENDING
|
|
|
|
#define set_softirq_pending(x) \
|
|
this_cpu_write(irq_stat.__softirq_pending, (x))
|
|
#define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x))
|
|
|
|
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
|
|
|
|
#endif /* _ASM_X86_HARDIRQ_H */
|