X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=arch%2Fx86%2Finclude%2Fasm%2Fpgtable.h;h=e997dcc6ee2bec19d7918deec02542db68335a4b;hb=a927cb83f3300bcb1ae18672e58029acddd18b33;hp=0687c4748b8f87690471c94bade518d2b768242d;hpb=79e2f8dd522873614eb31001745af487451a10de;p=cascardo%2Flinux.git

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 0687c4748b8f..e997dcc6ee2b 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -99,6 +99,14 @@ static inline int pte_dirty(pte_t pte)
 	return pte_flags(pte) & _PAGE_DIRTY;
 }
 
+
+static inline u32 read_pkru(void)
+{
+	if (boot_cpu_has(X86_FEATURE_OSPKE))
+		return __read_pkru();
+	return 0;
+}
+
 static inline int pte_young(pte_t pte)
 {
 	return pte_flags(pte) & _PAGE_ACCESSED;