diff options
Diffstat (limited to 'arch/x86/include/asm/hardirq.h')
| -rw-r--r-- | arch/x86/include/asm/hardirq.h | 69 |
1 files changed, 50 insertions, 19 deletions
diff --git a/arch/x86/include/asm/hardirq.h b/arch/x86/include/asm/hardirq.h index ab0ae1aa6d0a..6b6d472baa0b 100644 --- a/arch/x86/include/asm/hardirq.h +++ b/arch/x86/include/asm/hardirq.h @@ -1,19 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_HARDIRQ_H #define _ASM_X86_HARDIRQ_H #include <linux/threads.h> -#include <linux/irq.h> typedef struct { - unsigned int __softirq_pending; +#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 -#ifdef CONFIG_HAVE_KVM +#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 unsigned int x86_platform_ipis; /* arch dependent */ unsigned int apic_perf_irqs; @@ -21,37 +25,38 @@ typedef struct { #ifdef CONFIG_SMP unsigned int irq_resched_count; unsigned int irq_call_count; - /* - * irq_tlb_count is double-counted in irq_call_count, so it must be - * subtracted from irq_call_count when displaying irq_call_count - */ - unsigned int irq_tlb_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); -/* We can have at most NR_VECTORS irqs routed to a cpu at a time */ -#define MAX_HARDIRQS_PER_CPU NR_VECTORS - +#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) -#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); @@ -60,4 +65,30 @@ extern u64 arch_irq_stat_cpu(unsigned int 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 */ |