linux-stable/arch/x86/include/asm/hardirq.h
Thomas Gleixner 3ebccdf373 x86/kvm/vmx: Move guest enter/exit into .noinstr.text
Move the functions which are inside the RCU off region into the
non-instrumentable text section.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>

Message-Id: <20200708195322.037311579@linutronix.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-07-09 07:08:40 -04:00

83 lines
2.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_HARDIRQ_H
#define _ASM_X86_HARDIRQ_H
#include <linux/threads.h>
typedef struct {
u16 __softirq_pending;
#if 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
#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
#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
} ____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)
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
#if IS_ENABLED(CONFIG_KVM_INTEL)
static 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 inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
#endif /* IS_ENABLED(CONFIG_KVM_INTEL) */
#endif /* _ASM_X86_HARDIRQ_H */