Then, remove bad_hva and inline kvm_is_error_hva
Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
---
include/linux/kvm_host.h | 8 +++++++-
virt/kvm/kvm_main.c | 13 +------------
2 files changed, 8 insertions(+), 13 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 8306f24..7737e45 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -77,6 +77,13 @@ static inline bool is_invalid_pfn(pfn_t pfn)
return !is_noslot_pfn(pfn) && is_error_pfn(pfn);
}
+#define KVM_HVA_ERR_BAD (PAGE_OFFSET)
+
+static inline bool kvm_is_error_hva(unsigned long addr)
+{
+ return addr == PAGE_OFFSET;
+}
+
#define KVM_ERR_PTR_BAD_PAGE (ERR_PTR(-ENOENT))
static inline bool is_error_page(struct page *page)
@@ -425,7 +432,6 @@ id_to_memslot(struct kvm_memslots *slots, int id)
return slot;
}
-int kvm_is_error_hva(unsigned long addr);
int kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
int user_alloc);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index bf6dede..1bd83a6 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -931,17 +931,6 @@ void kvm_disable_largepages(void)
}
EXPORT_SYMBOL_GPL(kvm_disable_largepages);
-static inline unsigned long bad_hva(void)
-{
- return PAGE_OFFSET;
-}
-
-int kvm_is_error_hva(unsigned long addr)
-{
- return addr == bad_hva();
-}
-EXPORT_SYMBOL_GPL(kvm_is_error_hva);
-
struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn)
{
return __gfn_to_memslot(kvm_memslots(kvm), gfn);
@@ -988,7 +977,7 @@ static unsigned long gfn_to_hva_many(struct kvm_memory_slot *slot, gfn_t gfn,
gfn_t *nr_pages)
{
if (!slot || slot->flags & KVM_MEMSLOT_INVALID)
- return bad_hva();
+ return KVM_HVA_ERR_BAD;
if (nr_pages)
*nr_pages = slot->npages - (gfn - slot->base_gfn);
--
1.7.7.6
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