diff --git a/arch/x86/include/asm/pkru.h b/arch/x86/include/asm/pkru.h
index 19d3d7b9846582fd01139d7571aa13e65adc5d47..7e4550911c5134ccfb0f19f44d04d0b4efb6e450 100644
--- a/arch/x86/include/asm/pkru.h
+++ b/arch/x86/include/asm/pkru.h
@@ -60,4 +60,12 @@ static inline void write_pkru(u32 pkru)
 	fpregs_unlock();
 }
 
+static inline void pkru_write_default(void)
+{
+	if (!cpu_feature_enabled(X86_FEATURE_OSPKE))
+		return;
+
+	wrpkru(pkru_get_init_value());
+}
+
 #endif