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Diffstat (limited to 'arch/x86/include/asm/shstk.h')
-rw-r--r--arch/x86/include/asm/shstk.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/include/asm/shstk.h b/arch/x86/include/asm/shstk.h
index 0f50e0125943..fc7dcec58fd4 100644
--- a/arch/x86/include/asm/shstk.h
+++ b/arch/x86/include/asm/shstk.h
@@ -23,6 +23,8 @@ int setup_signal_shadow_stack(struct ksignal *ksig);
int restore_signal_shadow_stack(void);
int shstk_update_last_frame(unsigned long val);
bool shstk_is_enabled(void);
+int shstk_pop(u64 *val);
+int shstk_push(u64 val);
#else
static inline long shstk_prctl(struct task_struct *task, int option,
unsigned long arg2) { return -EINVAL; }
@@ -35,6 +37,8 @@ static inline int setup_signal_shadow_stack(struct ksignal *ksig) { return 0; }
static inline int restore_signal_shadow_stack(void) { return 0; }
static inline int shstk_update_last_frame(unsigned long val) { return 0; }
static inline bool shstk_is_enabled(void) { return false; }
+static inline int shstk_pop(u64 *val) { return -ENOTSUPP; }
+static inline int shstk_push(u64 val) { return -ENOTSUPP; }
#endif /* CONFIG_X86_USER_SHADOW_STACK */
#endif /* __ASSEMBLER__ */