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-rw-r--r--arch/x86/kvm/x86.c2
-rw-r--r--arch/x86/kvm/xen.c16
-rw-r--r--include/linux/kvm_host.h4
-rw-r--r--virt/kvm/pfncache.c5
4 files changed, 11 insertions, 16 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index b5e7aea22110..441f08c3af96 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3035,7 +3035,7 @@ static void kvm_setup_guest_pvclock(struct kvm_vcpu *v,
unsigned long flags;
read_lock_irqsave(&gpc->lock, flags);
- while (!kvm_gpc_check(v->kvm, gpc, gpc->gpa,
+ while (!kvm_gpc_check(gpc, gpc->gpa,
offset + sizeof(*guest_hv_clock))) {
read_unlock_irqrestore(&gpc->lock, flags);
diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c
index 55257c2a1610..148319e980c4 100644
--- a/arch/x86/kvm/xen.c
+++ b/arch/x86/kvm/xen.c
@@ -272,7 +272,7 @@ static void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, bool atomic)
* gfn_to_pfn caches that cover the region.
*/
read_lock_irqsave(&gpc1->lock, flags);
- while (!kvm_gpc_check(v->kvm, gpc1, gpc1->gpa, user_len1)) {
+ while (!kvm_gpc_check(gpc1, gpc1->gpa, user_len1)) {
read_unlock_irqrestore(&gpc1->lock, flags);
/* When invoked from kvm_sched_out() we cannot sleep */
@@ -308,7 +308,7 @@ static void kvm_xen_update_runstate_guest(struct kvm_vcpu *v, bool atomic)
*/
read_lock(&gpc2->lock);
- if (!kvm_gpc_check(v->kvm, gpc2, gpc2->gpa, user_len2)) {
+ if (!kvm_gpc_check(gpc2, gpc2->gpa, user_len2)) {
read_unlock(&gpc2->lock);
read_unlock_irqrestore(&gpc1->lock, flags);
@@ -488,8 +488,7 @@ void kvm_xen_inject_pending_events(struct kvm_vcpu *v)
* little more honest about it.
*/
read_lock_irqsave(&gpc->lock, flags);
- while (!kvm_gpc_check(v->kvm, gpc, gpc->gpa,
- sizeof(struct vcpu_info))) {
+ while (!kvm_gpc_check(gpc, gpc->gpa, sizeof(struct vcpu_info))) {
read_unlock_irqrestore(&gpc->lock, flags);
if (kvm_gpc_refresh(v->kvm, gpc, gpc->gpa,
@@ -553,8 +552,7 @@ 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_gpc_check(v->kvm, gpc, gpc->gpa,
- sizeof(struct vcpu_info))) {
+ while (!kvm_gpc_check(gpc, gpc->gpa, sizeof(struct vcpu_info))) {
read_unlock_irqrestore(&gpc->lock, flags);
/*
@@ -1158,7 +1156,7 @@ 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_gpc_check(kvm, gpc, gpc->gpa, PAGE_SIZE))
+ if (!kvm_gpc_check(gpc, gpc->gpa, PAGE_SIZE))
goto out_rcu;
ret = false;
@@ -1580,7 +1578,7 @@ 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_gpc_check(kvm, gpc, gpc->gpa, PAGE_SIZE))
+ if (!kvm_gpc_check(gpc, gpc->gpa, PAGE_SIZE))
goto out_rcu;
if (IS_ENABLED(CONFIG_64BIT) && kvm->arch.xen.long_mode) {
@@ -1614,7 +1612,7 @@ 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_gpc_check(kvm, gpc, gpc->gpa, sizeof(struct vcpu_info))) {
+ if (!kvm_gpc_check(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.
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 73ded328f9dc..befc8114ed0d 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1298,7 +1298,6 @@ int kvm_gpc_activate(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned long len)
/**
* kvm_gpc_check - check validity of a gfn_to_pfn_cache.
*
- * @kvm: pointer to kvm instance.
* @gpc: struct gfn_to_pfn_cache object.
* @gpa: current guest physical address to map.
* @len: sanity check; the range being access must fit a single page.
@@ -1313,8 +1312,7 @@ int kvm_gpc_activate(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned long len)
* 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_gpc_check(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, gpa_t gpa,
- unsigned long len);
+bool kvm_gpc_check(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned long len);
/**
* kvm_gpc_refresh - update a previously initialized cache.
diff --git a/virt/kvm/pfncache.c b/virt/kvm/pfncache.c
index d8ce30b893d9..decf4fdde668 100644
--- a/virt/kvm/pfncache.c
+++ b/virt/kvm/pfncache.c
@@ -76,10 +76,9 @@ void gfn_to_pfn_cache_invalidate_start(struct kvm *kvm, unsigned long start,
}
}
-bool kvm_gpc_check(struct kvm *kvm, struct gfn_to_pfn_cache *gpc, gpa_t gpa,
- unsigned long len)
+bool kvm_gpc_check(struct gfn_to_pfn_cache *gpc, gpa_t gpa, unsigned long len)
{
- struct kvm_memslots *slots = kvm_memslots(kvm);
+ struct kvm_memslots *slots = kvm_memslots(gpc->kvm);
if (!gpc->active)
return false;