In the later patch, it indicates failure when we try to get a writable
pfn from the readonly memslot
Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
---
include/linux/kvm_host.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 187c9c8..8306f24 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -60,6 +60,7 @@
#define KVM_PFN_ERR_FAULT (KVM_PFN_ERR_MASK)
#define KVM_PFN_ERR_HWPOISON (KVM_PFN_ERR_MASK + 1)
#define KVM_PFN_ERR_BAD (KVM_PFN_ERR_MASK + 2)
+#define KVM_PFN_ERR_RO_FAULT (KVM_PFN_ERR_MASK + 3)
static inline bool is_error_pfn(pfn_t pfn)
{
--
1.7.7.6
--
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