This is a tiny refactoring, and can be useful to check
if a GPA/GFN is within a memslot a bit more cleanly.
Signed-off-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
---
include/linux/kvm_host.h | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index b3810976a27f8..483681c6e322e 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1564,6 +1564,13 @@ int kvm_request_irq_source_id(struct kvm *kvm);
void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
bool kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args);
+
+static inline bool gfn_in_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
+{
+ return (gfn >= slot->base_gfn && gfn < slot->base_gfn + slot->npages);
+}
+
+
/*
* Returns a pointer to the memslot if it contains gfn.
* Otherwise returns NULL.
@@ -1574,12 +1581,13 @@ try_get_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
if (!slot)
return NULL;
- if (gfn >= slot->base_gfn && gfn < slot->base_gfn + slot->npages)
+ if (gfn_in_memslot(slot, gfn))
return slot;
else
return NULL;
}
+
/*
* Returns a pointer to the memslot that contains gfn. Otherwise returns NULL.
*
--
2.26.3
