1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 8b5db51be4dd..edbc7a63fd73 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -625,7 +625,7 @@ bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn)
                 return true;
         }
 
-        if (likely(!__put_user(mfn, xen_p2m_addr + pfn)))
+        if (likely(!xen_safe_write_ulong(xen_p2m_addr + pfn, mfn)))
                 return true;
 
         ptep = lookup_address((unsigned long)(xen_p2m_addr + pfn), &level);