diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sched.h | 10 | ||||
| -rw-r--r-- | include/uapi/linux/prctl.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index af7179f8572c..1780260f237b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1474,6 +1474,16 @@ struct task_struct { struct llist_head kretprobe_instances; #endif +#ifdef CONFIG_ARCH_HAS_PARANOID_L1D_FLUSH + /* + * If L1D flush is supported on mm context switch + * then we use this callback head to queue kill work + * to kill tasks that are not running on SMT disabled + * cores + */ + struct callback_head l1d_flush_kill; +#endif + /* * New fields for task_struct should be added above here, so that * they are included in the randomized portion of task_struct. diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h index 967d9c55323d..964c41ed303e 100644 --- a/include/uapi/linux/prctl.h +++ b/include/uapi/linux/prctl.h @@ -213,6 +213,7 @@ struct prctl_mm_map { /* Speculation control variants */ # define PR_SPEC_STORE_BYPASS 0 # define PR_SPEC_INDIRECT_BRANCH 1 +# define PR_SPEC_L1D_FLUSH 2 /* Return and control values for PR_SET/GET_SPECULATION_CTRL */ # define PR_SPEC_NOT_AFFECTED 0 # define PR_SPEC_PRCTL (1UL << 0) |