prctl: Add force disable speculation

[mirror_ubuntu-artful-kernel.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0d12ef91c4921bb33c31ff14e6f13086622b420e..b0b1d1a59de5dba44ad400e668fef44c1274ca3d 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1323,7 +1323,8 @@ static inline bool is_percpu_thread(void)
 #define PFA_NO_NEW_PRIVS               0       /* May not gain new privileges. */
 #define PFA_SPREAD_PAGE                        1       /* Spread page cache over cpuset */
 #define PFA_SPREAD_SLAB                        2       /* Spread some slab caches over cpuset */
-
+#define PFA_SPEC_SSB_DISABLE           3       /* Speculative Store Bypass disabled */
+#define PFA_SPEC_SSB_FORCE_DISABLE     4       /* Speculative Store Bypass force disabled*/
 
 #define TASK_PFA_TEST(name, func)                                      \
        static inline bool task_##func(struct task_struct *p)           \
@@ -1348,6 +1349,13 @@ TASK_PFA_TEST(SPREAD_SLAB, spread_slab)
 TASK_PFA_SET(SPREAD_SLAB, spread_slab)
 TASK_PFA_CLEAR(SPREAD_SLAB, spread_slab)
 
+TASK_PFA_TEST(SPEC_SSB_DISABLE, spec_ssb_disable)
+TASK_PFA_SET(SPEC_SSB_DISABLE, spec_ssb_disable)
+TASK_PFA_CLEAR(SPEC_SSB_DISABLE, spec_ssb_disable)
+
+TASK_PFA_TEST(SPEC_SSB_FORCE_DISABLE, spec_ssb_force_disable)
+TASK_PFA_SET(SPEC_SSB_FORCE_DISABLE, spec_ssb_force_disable)
+
 static inline void
 current_restore_flags(unsigned long orig_flags, unsigned long flags)
 {