On 17/07/21 11:55, Marc Zyngier wrote:
Nobody is using kvm_get_pfn() anymore. Get rid of it.
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
---
include/linux/kvm_host.h | 1 -
virt/kvm/kvm_main.c | 9 +--------
2 files changed, 1 insertion(+), 9 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ae7735b490b4..9818d271c2a1 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -824,7 +824,6 @@ void kvm_release_pfn_clean(kvm_pfn_t pfn);
void kvm_release_pfn_dirty(kvm_pfn_t pfn);
void kvm_set_pfn_dirty(kvm_pfn_t pfn);
void kvm_set_pfn_accessed(kvm_pfn_t pfn);
-void kvm_get_pfn(kvm_pfn_t pfn);
void kvm_release_pfn(kvm_pfn_t pfn, bool dirty, struct gfn_to_pfn_cache *cache);
int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 2e410a8a6a67..0284418c4400 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2215,7 +2215,7 @@ static int hva_to_pfn_remapped(struct vm_area_struct *vma,
* Get a reference here because callers of *hva_to_pfn* and
* *gfn_to_pfn* ultimately call kvm_release_pfn_clean on the
* returned pfn. This is only needed if the VMA has VM_MIXEDMAP
- * set, but the kvm_get_pfn/kvm_release_pfn_clean pair will
+ * set, but the kvm_try_get_pfn/kvm_release_pfn_clean pair will
* simply do nothing for reserved pfns.
*
* Whoever called remap_pfn_range is also going to call e.g.
@@ -2612,13 +2612,6 @@ void kvm_set_pfn_accessed(kvm_pfn_t pfn)
}
EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
-void kvm_get_pfn(kvm_pfn_t pfn)
-{
- if (!kvm_is_reserved_pfn(pfn))
- get_page(pfn_to_page(pfn));
-}
-EXPORT_SYMBOL_GPL(kvm_get_pfn);
-
static int next_segment(unsigned long len, int offset)
{
if (len > PAGE_SIZE - offset)
Acked-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
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