Formalize "gpc" as the acronym and use it in function names. No functional change intended. Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx> Signed-off-by: Michal Luczaj <mhal@xxxxxxx> --- arch/x86/kvm/x86.c | 8 ++++---- arch/x86/kvm/xen.c | 29 ++++++++++++++--------------- include/linux/kvm_host.h | 21 ++++++++++----------- virt/kvm/pfncache.c | 20 ++++++++++---------- 4 files changed, 38 insertions(+), 40 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 15032b7f0589..45136ce7185e 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3020,12 +3020,12 @@ static void kvm_setup_guest_pvclock(struct kvm_vcpu *v, unsigned long flags; read_lock_irqsave(&gpc->lock, flags); - while (!kvm_gfn_to_pfn_cache_check(v->kvm, gpc, gpc->gpa, - offset + sizeof(*guest_hv_clock))) { + while (!kvm_gpc_check(v->kvm, gpc, gpc->gpa, + offset + sizeof(*guest_hv_clock))) { read_unlock_irqrestore(&gpc->lock, flags); - if (kvm_gfn_to_pfn_cache_refresh(v->kvm, gpc, gpc->gpa, - offset + sizeof(*guest_hv_clock))) + if (kvm_gpc_refresh(v->kvm, gpc, gpc->gpa, + offset + sizeof(*guest_hv_clock))) return; read_lock_irqsave(&gpc->lock, flags); diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c index cecf8299b187..361f77dc7a3d 100644 --- a/arch/x86/kvm/xen.c +++ b/arch/x86/kvm/xen.c @@ -218,15 +218,14 @@ void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, int state) user_len = sizeof(struct compat_vcpu_runstate_info); read_lock_irqsave(&gpc->lock, flags); - while (!kvm_gfn_to_pfn_cache_check(v->kvm, gpc, gpc->gpa, - user_len)) { + while (!kvm_gpc_check(v->kvm, gpc, gpc->gpa, user_len)) { read_unlock_irqrestore(&gpc->lock, flags); /* When invoked from kvm_sched_out() we cannot sleep */ if (state == RUNSTATE_runnable) return; - if (kvm_gfn_to_pfn_cache_refresh(v->kvm, gpc, gpc->gpa, user_len)) + if (kvm_gpc_refresh(v->kvm, gpc, gpc->gpa, user_len)) return; read_lock_irqsave(&gpc->lock, flags); @@ -352,12 +351,12 @@ void kvm_xen_inject_pending_events(struct kvm_vcpu *v) * little more honest about it. */ read_lock_irqsave(&gpc->lock, flags); - while (!kvm_gfn_to_pfn_cache_check(v->kvm, gpc, gpc->gpa, - sizeof(struct vcpu_info))) { + while (!kvm_gpc_check(v->kvm, gpc, gpc->gpa, + sizeof(struct vcpu_info))) { read_unlock_irqrestore(&gpc->lock, flags); - if (kvm_gfn_to_pfn_cache_refresh(v->kvm, gpc, gpc->gpa, - sizeof(struct vcpu_info))) + if (kvm_gpc_refresh(v->kvm, gpc, gpc->gpa, + sizeof(struct vcpu_info))) return; read_lock_irqsave(&gpc->lock, flags); @@ -417,8 +416,8 @@ int __kvm_xen_has_interrupt(struct kvm_vcpu *v) sizeof_field(struct compat_vcpu_info, evtchn_upcall_pending)); read_lock_irqsave(&gpc->lock, flags); - while (!kvm_gfn_to_pfn_cache_check(v->kvm, gpc, gpc->gpa, - sizeof(struct vcpu_info))) { + while (!kvm_gpc_check(v->kvm, gpc, gpc->gpa, + sizeof(struct vcpu_info))) { read_unlock_irqrestore(&gpc->lock, flags); /* @@ -432,8 +431,8 @@ int __kvm_xen_has_interrupt(struct kvm_vcpu *v) if (in_atomic() || !task_is_running(current)) return 1; - if (kvm_gfn_to_pfn_cache_refresh(v->kvm, gpc, gpc->gpa, - sizeof(struct vcpu_info))) { + if (kvm_gpc_refresh(v->kvm, gpc, gpc->gpa, + sizeof(struct vcpu_info))) { /* * If this failed, userspace has screwed up the * vcpu_info mapping. No interrupts for you. @@ -966,7 +965,7 @@ static bool wait_pending_event(struct kvm_vcpu *vcpu, int nr_ports, read_lock_irqsave(&gpc->lock, flags); idx = srcu_read_lock(&kvm->srcu); - if (!kvm_gfn_to_pfn_cache_check(kvm, gpc, gpc->gpa, PAGE_SIZE)) + if (!kvm_gpc_check(kvm, gpc, gpc->gpa, PAGE_SIZE)) goto out_rcu; ret = false; @@ -1358,7 +1357,7 @@ int kvm_xen_set_evtchn_fast(struct kvm_xen_evtchn *xe, struct kvm *kvm) idx = srcu_read_lock(&kvm->srcu); read_lock_irqsave(&gpc->lock, flags); - if (!kvm_gfn_to_pfn_cache_check(kvm, gpc, gpc->gpa, PAGE_SIZE)) + if (!kvm_gpc_check(kvm, gpc, gpc->gpa, PAGE_SIZE)) goto out_rcu; if (IS_ENABLED(CONFIG_64BIT) && kvm->arch.xen.long_mode) { @@ -1392,7 +1391,7 @@ int kvm_xen_set_evtchn_fast(struct kvm_xen_evtchn *xe, struct kvm *kvm) gpc = &vcpu->arch.xen.vcpu_info_cache; read_lock_irqsave(&gpc->lock, flags); - if (!kvm_gfn_to_pfn_cache_check(kvm, gpc, gpc->gpa, sizeof(struct vcpu_info))) { + if (!kvm_gpc_check(kvm, gpc, gpc->gpa, sizeof(struct vcpu_info))) { /* * Could not access the vcpu_info. Set the bit in-kernel * and prod the vCPU to deliver it for itself. @@ -1490,7 +1489,7 @@ static int kvm_xen_set_evtchn(struct kvm_xen_evtchn *xe, struct kvm *kvm) break; idx = srcu_read_lock(&kvm->srcu); - rc = kvm_gfn_to_pfn_cache_refresh(kvm, gpc, gpc->gpa, PAGE_SIZE); + rc = kvm_gpc_refresh(kvm, gpc, gpc->gpa, PAGE_SIZE); srcu_read_unlock(&kvm->srcu, idx); } while(!rc); diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9fd67026d91a..f687e56c24bc 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1271,16 +1271,15 @@ void kvm_gpc_init(struct gfn_to_pfn_cache *gpc); * -EFAULT for an untranslatable guest physical address. * * This primes a gfn_to_pfn_cache and links it into the @kvm's list for - * invalidations to be processed. Callers are required to use - * kvm_gfn_to_pfn_cache_check() to ensure that the cache is valid before - * accessing the target page. + * invalidations to be processed. Callers are required to use kvm_gpc_check() + * to ensure that the cache is valid before accessing the target page. */ int kvm_gpc_activate(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, struct kvm_vcpu *vcpu, enum pfn_cache_usage usage, gpa_t gpa, unsigned long len); /** - * kvm_gfn_to_pfn_cache_check - check validity of a gfn_to_pfn_cache. + * kvm_gpc_check - check validity of a gfn_to_pfn_cache. * * @kvm: pointer to kvm instance. * @gpc: struct gfn_to_pfn_cache object. @@ -1297,11 +1296,11 @@ int kvm_gpc_activate(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, * Callers in IN_GUEST_MODE may do so without locking, although they should * still hold a read lock on kvm->scru for the memslot checks. */ -bool kvm_gfn_to_pfn_cache_check(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, - gpa_t gpa, unsigned long len); +bool kvm_gpc_check(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, gpa_t gpa, + unsigned long len); /** - * kvm_gfn_to_pfn_cache_refresh - update a previously initialized cache. + * kvm_gpc_refresh - update a previously initialized cache. * * @kvm: pointer to kvm instance. * @gpc: struct gfn_to_pfn_cache object. @@ -1318,11 +1317,11 @@ bool kvm_gfn_to_pfn_cache_check(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, * still lock and check the cache status, as this function does not return * with the lock still held to permit access. */ -int kvm_gfn_to_pfn_cache_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, - gpa_t gpa, unsigned long len); +int kvm_gpc_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, gpa_t gpa, + unsigned long len); /** - * kvm_gfn_to_pfn_cache_unmap - temporarily unmap a gfn_to_pfn_cache. + * kvm_gpc_unmap - temporarily unmap a gfn_to_pfn_cache. * * @kvm: pointer to kvm instance. * @gpc: struct gfn_to_pfn_cache object. @@ -1331,7 +1330,7 @@ int kvm_gfn_to_pfn_cache_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, * but at least the mapping from GPA to userspace HVA will remain cached * and can be reused on a subsequent refresh. */ -void kvm_gfn_to_pfn_cache_unmap(struct kvm *kvm, struct gfn_to_pfn_cache *gpc); +void kvm_gpc_unmap(struct kvm *kvm, struct gfn_to_pfn_cache *gpc); /** * kvm_gpc_deactivate - deactivate and unlink a gfn_to_pfn_cache. diff --git a/virt/kvm/pfncache.c b/virt/kvm/pfncache.c index 08f97cf97264..cc65fab0dbef 100644 --- a/virt/kvm/pfncache.c +++ b/virt/kvm/pfncache.c @@ -76,8 +76,8 @@ void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm, unsigned long start, } } -bool kvm_gfn_to_pfn_cache_check(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, - gpa_t gpa, unsigned long len) +bool kvm_gpc_check(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, gpa_t gpa, + unsigned long len) { struct kvm_memslots *slots = kvm_memslots(kvm); @@ -93,7 +93,7 @@ bool kvm_gfn_to_pfn_cache_check(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, return true; } -EXPORT_SYMBOL_GPL(kvm_gfn_to_pfn_cache_check); +EXPORT_SYMBOL_GPL(kvm_gpc_check); static void gpc_unmap_khva(struct kvm *kvm, kvm_pfn_t pfn, void *khva) { @@ -235,8 +235,8 @@ static kvm_pfn_t hva_to_pfn_retry(struct kvm *kvm, struct gfn_to_pfn_cache *gpc) return -EFAULT; } -int kvm_gfn_to_pfn_cache_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, - gpa_t gpa, unsigned long len) +int kvm_gpc_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, gpa_t gpa, + unsigned long len) { struct kvm_memslots *slots = kvm_memslots(kvm); unsigned long page_offset = gpa & ~PAGE_MASK; @@ -317,9 +317,9 @@ int kvm_gfn_to_pfn_cache_refresh(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, return ret; } -EXPORT_SYMBOL_GPL(kvm_gfn_to_pfn_cache_refresh); +EXPORT_SYMBOL_GPL(kvm_gpc_refresh); -void kvm_gfn_to_pfn_cache_unmap(struct kvm *kvm, struct gfn_to_pfn_cache *gpc) +void kvm_gpc_unmap(struct kvm *kvm, struct gfn_to_pfn_cache *gpc) { void *old_khva; kvm_pfn_t old_pfn; @@ -344,7 +344,7 @@ void kvm_gfn_to_pfn_cache_unmap(struct kvm *kvm, struct gfn_to_pfn_cache *gpc) gpc_unmap_khva(kvm, old_pfn, old_khva); } -EXPORT_SYMBOL_GPL(kvm_gfn_to_pfn_cache_unmap); +EXPORT_SYMBOL_GPL(kvm_gpc_unmap); void kvm_gpc_init(struct gfn_to_pfn_cache *gpc) { @@ -372,7 +372,7 @@ int kvm_gpc_activate(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, list_add(&gpc->list, &kvm->gpc_list); spin_unlock(&kvm->gpc_lock); } - return kvm_gfn_to_pfn_cache_refresh(kvm, gpc, gpa, len); + return kvm_gpc_refresh(kvm, gpc, gpa, len); } EXPORT_SYMBOL_GPL(kvm_gpc_activate); @@ -383,7 +383,7 @@ void kvm_gpc_deactivate(struct kvm *kvm, struct gfn_to_pfn_cache *gpc) list_del(&gpc->list); spin_unlock(&kvm->gpc_lock); - kvm_gfn_to_pfn_cache_unmap(kvm, gpc); + kvm_gpc_unmap(kvm, gpc); gpc->active = false; } } -- 2.37.3