The use of static_call_cond() is essentially the same as static_call() on x86 (e.g. static_call() now handles a NULL pointer as a NOP), so replace it with static_call() to simplify the code. Link: https://lore.kernel.org/all/3916caa1dcd114301a49beafa5030eca396745c1.1679456900.git.jpoimboe@xxxxxxxxxx/ Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx> Signed-off-by: Wei Wang <wei.w.wang@xxxxxxxxx> --- arch/x86/include/asm/kvm_host.h | 4 ++-- arch/x86/kvm/irq.c | 2 +- arch/x86/kvm/lapic.c | 24 ++++++++++++------------ arch/x86/kvm/pmu.c | 6 +++--- arch/x86/kvm/x86.c | 24 ++++++++++++------------ 5 files changed, 30 insertions(+), 30 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 6efd1497b026..b45a73a93efa 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -2280,12 +2280,12 @@ static inline bool kvm_irq_is_postable(struct kvm_lapic_irq *irq) static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) { - static_call_cond(kvm_x86_vcpu_blocking)(vcpu); + static_call(kvm_x86_vcpu_blocking)(vcpu); } static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) { - static_call_cond(kvm_x86_vcpu_unblocking)(vcpu); + static_call(kvm_x86_vcpu_unblocking)(vcpu); } static inline int kvm_cpu_get_apicid(int mps_cpu) diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index ad9ca8a60144..7cf93d427484 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -157,7 +157,7 @@ void __kvm_migrate_timers(struct kvm_vcpu *vcpu) { __kvm_migrate_apic_timer(vcpu); __kvm_migrate_pit_timer(vcpu); - static_call_cond(kvm_x86_migrate_timers)(vcpu); + static_call(kvm_x86_migrate_timers)(vcpu); } bool kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args) diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index ebf41023be38..eaf840699d27 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -728,7 +728,7 @@ static inline void apic_clear_irr(int vec, struct kvm_lapic *apic) if (unlikely(apic->apicv_active)) { /* need to update RVI */ kvm_lapic_clear_vector(vec, apic->regs + APIC_IRR); - static_call_cond(kvm_x86_hwapic_irr_update)(apic->vcpu, + static_call(kvm_x86_hwapic_irr_update)(apic->vcpu, apic_find_highest_irr(apic)); } else { apic->irr_pending = false; @@ -755,7 +755,7 @@ static inline void apic_set_isr(int vec, struct kvm_lapic *apic) * just set SVI. */ if (unlikely(apic->apicv_active)) - static_call_cond(kvm_x86_hwapic_isr_update)(vec); + static_call(kvm_x86_hwapic_isr_update)(vec); else { ++apic->isr_count; BUG_ON(apic->isr_count > MAX_APIC_VECTOR); @@ -800,7 +800,7 @@ static inline void apic_clear_isr(int vec, struct kvm_lapic *apic) * and must be left alone. */ if (unlikely(apic->apicv_active)) - static_call_cond(kvm_x86_hwapic_isr_update)(apic_find_highest_isr(apic)); + static_call(kvm_x86_hwapic_isr_update)(apic_find_highest_isr(apic)); else { --apic->isr_count; BUG_ON(apic->isr_count < 0); @@ -2567,7 +2567,7 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) if ((old_value ^ value) & (MSR_IA32_APICBASE_ENABLE | X2APIC_ENABLE)) { kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu); - static_call_cond(kvm_x86_set_virtual_apic_mode)(vcpu); + static_call(kvm_x86_set_virtual_apic_mode)(vcpu); } apic->base_address = apic->vcpu->arch.apic_base & @@ -2677,7 +2677,7 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event) u64 msr_val; int i; - static_call_cond(kvm_x86_apicv_pre_state_restore)(vcpu); + static_call(kvm_x86_apicv_pre_state_restore)(vcpu); if (!init_event) { msr_val = APIC_DEFAULT_PHYS_BASE | MSR_IA32_APICBASE_ENABLE; @@ -2732,9 +2732,9 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event) vcpu->arch.pv_eoi.msr_val = 0; apic_update_ppr(apic); if (apic->apicv_active) { - static_call_cond(kvm_x86_apicv_post_state_restore)(vcpu); - static_call_cond(kvm_x86_hwapic_irr_update)(vcpu, -1); - static_call_cond(kvm_x86_hwapic_isr_update)(-1); + static_call(kvm_x86_apicv_post_state_restore)(vcpu); + static_call(kvm_x86_hwapic_irr_update)(vcpu, -1); + static_call(kvm_x86_hwapic_isr_update)(-1); } vcpu->arch.apic_arb_prio = 0; @@ -3014,7 +3014,7 @@ int kvm_apic_set_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s) struct kvm_lapic *apic = vcpu->arch.apic; int r; - static_call_cond(kvm_x86_apicv_pre_state_restore)(vcpu); + static_call(kvm_x86_apicv_pre_state_restore)(vcpu); kvm_lapic_set_base(vcpu, vcpu->arch.apic_base); /* set SPIV separately to get count of SW disabled APICs right */ @@ -3041,9 +3041,9 @@ int kvm_apic_set_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s) kvm_lapic_set_reg(apic, APIC_TMCCT, 0); kvm_apic_update_apicv(vcpu); if (apic->apicv_active) { - static_call_cond(kvm_x86_apicv_post_state_restore)(vcpu); - static_call_cond(kvm_x86_hwapic_irr_update)(vcpu, apic_find_highest_irr(apic)); - static_call_cond(kvm_x86_hwapic_isr_update)(apic_find_highest_isr(apic)); + static_call(kvm_x86_apicv_post_state_restore)(vcpu); + static_call(kvm_x86_hwapic_irr_update)(vcpu, apic_find_highest_irr(apic)); + static_call(kvm_x86_hwapic_isr_update)(apic_find_highest_isr(apic)); } kvm_make_request(KVM_REQ_EVENT, vcpu); if (ioapic_in_kernel(vcpu->kvm)) diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c index a593b03c9aed..1d456b69ddc6 100644 --- a/arch/x86/kvm/pmu.c +++ b/arch/x86/kvm/pmu.c @@ -607,7 +607,7 @@ int kvm_pmu_rdpmc(struct kvm_vcpu *vcpu, unsigned idx, u64 *data) void kvm_pmu_deliver_pmi(struct kvm_vcpu *vcpu) { if (lapic_in_kernel(vcpu)) { - static_call_cond(kvm_x86_pmu_deliver_pmi)(vcpu); + static_call(kvm_x86_pmu_deliver_pmi)(vcpu); kvm_apic_local_deliver(vcpu->arch.apic, APIC_LVTPC); } } @@ -740,7 +740,7 @@ static void kvm_pmu_reset(struct kvm_vcpu *vcpu) pmu->fixed_ctr_ctrl = pmu->global_ctrl = pmu->global_status = 0; - static_call_cond(kvm_x86_pmu_reset)(vcpu); + static_call(kvm_x86_pmu_reset)(vcpu); } @@ -818,7 +818,7 @@ void kvm_pmu_cleanup(struct kvm_vcpu *vcpu) pmc_stop_counter(pmc); } - static_call_cond(kvm_x86_pmu_cleanup)(vcpu); + static_call(kvm_x86_pmu_cleanup)(vcpu); bitmap_zero(pmu->pmc_in_use, X86_PMC_IDX_MAX); } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index ebcc12d1e1de..4e6cbbab1e18 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5134,7 +5134,7 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) static int kvm_vcpu_ioctl_get_lapic(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s) { - static_call_cond(kvm_x86_sync_pir_to_irr)(vcpu); + static_call(kvm_x86_sync_pir_to_irr)(vcpu); return kvm_apic_get_state(vcpu, s); } @@ -9285,7 +9285,7 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, kvm_rip_write(vcpu, ctxt->eip); if (r && (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP))) r = kvm_vcpu_do_singlestep(vcpu); - static_call_cond(kvm_x86_update_emulated_instruction)(vcpu); + static_call(kvm_x86_update_emulated_instruction)(vcpu); __kvm_set_rflags(vcpu, ctxt->eflags); } @@ -10680,7 +10680,7 @@ static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu) if (irqchip_split(vcpu->kvm)) kvm_scan_ioapic_routes(vcpu, vcpu->arch.ioapic_handled_vectors); else { - static_call_cond(kvm_x86_sync_pir_to_irr)(vcpu); + static_call(kvm_x86_sync_pir_to_irr)(vcpu); if (ioapic_in_kernel(vcpu->kvm)) kvm_ioapic_scan_entry(vcpu, vcpu->arch.ioapic_handled_vectors); } @@ -10703,17 +10703,17 @@ static void vcpu_load_eoi_exitmap(struct kvm_vcpu *vcpu) bitmap_or((ulong *)eoi_exit_bitmap, vcpu->arch.ioapic_handled_vectors, to_hv_synic(vcpu)->vec_bitmap, 256); - static_call_cond(kvm_x86_load_eoi_exitmap)(vcpu, eoi_exit_bitmap); + static_call(kvm_x86_load_eoi_exitmap)(vcpu, eoi_exit_bitmap); return; } #endif - static_call_cond(kvm_x86_load_eoi_exitmap)( + static_call(kvm_x86_load_eoi_exitmap)( vcpu, (u64 *)vcpu->arch.ioapic_handled_vectors); } void kvm_arch_guest_memory_reclaimed(struct kvm *kvm) { - static_call_cond(kvm_x86_guest_memory_reclaimed)(kvm); + static_call(kvm_x86_guest_memory_reclaimed)(kvm); } static void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu) @@ -10721,7 +10721,7 @@ static void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu) if (!lapic_in_kernel(vcpu)) return; - static_call_cond(kvm_x86_set_apic_access_page_addr)(vcpu); + static_call(kvm_x86_set_apic_access_page_addr)(vcpu); } /* @@ -10961,7 +10961,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) * i.e. they can post interrupts even if APICv is temporarily disabled. */ if (kvm_lapic_enabled(vcpu)) - static_call_cond(kvm_x86_sync_pir_to_irr)(vcpu); + static_call(kvm_x86_sync_pir_to_irr)(vcpu); if (kvm_vcpu_exit_request(vcpu)) { vcpu->mode = OUTSIDE_GUEST_MODE; @@ -11010,7 +11010,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) break; if (kvm_lapic_enabled(vcpu)) - static_call_cond(kvm_x86_sync_pir_to_irr)(vcpu); + static_call(kvm_x86_sync_pir_to_irr)(vcpu); if (unlikely(kvm_vcpu_exit_request(vcpu))) { exit_fastpath = EXIT_FASTPATH_EXIT_HANDLED; @@ -11758,7 +11758,7 @@ static int __set_sregs_common(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs, *mmu_reset_needed |= kvm_read_cr3(vcpu) != sregs->cr3; vcpu->arch.cr3 = sregs->cr3; kvm_register_mark_dirty(vcpu, VCPU_EXREG_CR3); - static_call_cond(kvm_x86_post_set_cr3)(vcpu, sregs->cr3); + static_call(kvm_x86_post_set_cr3)(vcpu, sregs->cr3); kvm_set_cr8(vcpu, sregs->cr8); @@ -12713,7 +12713,7 @@ void kvm_arch_destroy_vm(struct kvm *kvm) mutex_unlock(&kvm->slots_lock); } kvm_unload_vcpu_mmus(kvm); - static_call_cond(kvm_x86_vm_destroy)(kvm); + static_call(kvm_x86_vm_destroy)(kvm); kvm_free_msr_filter(srcu_dereference_check(kvm->arch.msr_filter, &kvm->srcu, 1)); kvm_pic_destroy(kvm); kvm_ioapic_destroy(kvm); @@ -13409,7 +13409,7 @@ bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu) void kvm_arch_start_assignment(struct kvm *kvm) { if (atomic_inc_return(&kvm->arch.assigned_device_count) == 1) - static_call_cond(kvm_x86_pi_start_assignment)(kvm); + static_call(kvm_x86_pi_start_assignment)(kvm); } EXPORT_SYMBOL_GPL(kvm_arch_start_assignment); -- 2.27.0