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Diffstat (limited to 'include/linux/rseq.h')
-rw-r--r--include/linux/rseq.h19
1 files changed, 0 insertions, 19 deletions
diff --git a/include/linux/rseq.h b/include/linux/rseq.h
index 4c0e8bdd2dd9..2266f4dc77b6 100644
--- a/include/linux/rseq.h
+++ b/include/linux/rseq.h
@@ -84,24 +84,6 @@ static __always_inline void rseq_sched_set_ids_changed(struct task_struct *t)
t->rseq.event.ids_changed = true;
}
-/*
- * Invoked from switch_mm_cid() in context switch when the task gets a MM
- * CID assigned.
- *
- * This does not raise TIF_NOTIFY_RESUME as that happens in
- * rseq_sched_switch_event().
- */
-static __always_inline void rseq_sched_set_task_mm_cid(struct task_struct *t, unsigned int cid)
-{
- /*
- * Requires a comparison as the switch_mm_cid() code does not
- * provide a conditional for it readily. So avoid excessive updates
- * when nothing changes.
- */
- if (t->rseq.ids.mm_cid != cid)
- t->rseq.event.ids_changed = true;
-}
-
/* Enforce a full update after RSEQ registration and when execve() failed */
static inline void rseq_force_update(void)
{
@@ -169,7 +151,6 @@ static inline void rseq_handle_slowpath(struct pt_regs *regs) { }
static inline void rseq_signal_deliver(struct ksignal *ksig, struct pt_regs *regs) { }
static inline void rseq_sched_switch_event(struct task_struct *t) { }
static inline void rseq_sched_set_ids_changed(struct task_struct *t) { }
-static inline void rseq_sched_set_task_mm_cid(struct task_struct *t, unsigned int cid) { }
static inline void rseq_force_update(void) { }
static inline void rseq_virt_userspace_exit(void) { }
static inline void rseq_fork(struct task_struct *t, u64 clone_flags) { }