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3ebccdf373
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>
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_HARDIRQ_H
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#define _ASM_X86_HARDIRQ_H
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#include <linux/threads.h>
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typedef struct {
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u16 __softirq_pending;
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#if IS_ENABLED(CONFIG_KVM_INTEL)
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u8 kvm_cpu_l1tf_flush_l1d;
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#endif
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unsigned int __nmi_count; /* arch dependent */
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#ifdef CONFIG_X86_LOCAL_APIC
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unsigned int apic_timer_irqs; /* arch dependent */
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unsigned int irq_spurious_count;
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unsigned int icr_read_retry_count;
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#endif
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#ifdef CONFIG_HAVE_KVM
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unsigned int kvm_posted_intr_ipis;
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unsigned int kvm_posted_intr_wakeup_ipis;
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unsigned int kvm_posted_intr_nested_ipis;
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#endif
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unsigned int x86_platform_ipis; /* arch dependent */
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unsigned int apic_perf_irqs;
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unsigned int apic_irq_work_irqs;
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#ifdef CONFIG_SMP
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unsigned int irq_resched_count;
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unsigned int irq_call_count;
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#endif
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unsigned int irq_tlb_count;
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#ifdef CONFIG_X86_THERMAL_VECTOR
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unsigned int irq_thermal_count;
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#endif
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#ifdef CONFIG_X86_MCE_THRESHOLD
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unsigned int irq_threshold_count;
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#endif
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#ifdef CONFIG_X86_MCE_AMD
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unsigned int irq_deferred_error_count;
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#endif
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#ifdef CONFIG_X86_HV_CALLBACK_VECTOR
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unsigned int irq_hv_callback_count;
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#endif
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#if IS_ENABLED(CONFIG_HYPERV)
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unsigned int irq_hv_reenlightenment_count;
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unsigned int hyperv_stimer0_count;
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#endif
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} ____cacheline_aligned irq_cpustat_t;
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DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
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#define __ARCH_IRQ_STAT
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#define inc_irq_stat(member) this_cpu_inc(irq_stat.member)
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extern void ack_bad_irq(unsigned int irq);
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extern u64 arch_irq_stat_cpu(unsigned int cpu);
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#define arch_irq_stat_cpu arch_irq_stat_cpu
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extern u64 arch_irq_stat(void);
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#define arch_irq_stat arch_irq_stat
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#if IS_ENABLED(CONFIG_KVM_INTEL)
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static inline void kvm_set_cpu_l1tf_flush_l1d(void)
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{
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__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 1);
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}
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static __always_inline void kvm_clear_cpu_l1tf_flush_l1d(void)
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{
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__this_cpu_write(irq_stat.kvm_cpu_l1tf_flush_l1d, 0);
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}
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static __always_inline bool kvm_get_cpu_l1tf_flush_l1d(void)
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{
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return __this_cpu_read(irq_stat.kvm_cpu_l1tf_flush_l1d);
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}
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#else /* !IS_ENABLED(CONFIG_KVM_INTEL) */
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static inline void kvm_set_cpu_l1tf_flush_l1d(void) { }
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#endif /* IS_ENABLED(CONFIG_KVM_INTEL) */
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#endif /* _ASM_X86_HARDIRQ_H */
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