diff options
Diffstat (limited to 'arch/tile/kernel/ptrace.c')
| -rw-r--r-- | arch/tile/kernel/ptrace.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c index bdc126faf741..54e7b723db99 100644 --- a/arch/tile/kernel/ptrace.c +++ b/arch/tile/kernel/ptrace.c @@ -255,13 +255,6 @@ int do_syscall_trace_enter(struct pt_regs *regs) { u32 work = ACCESS_ONCE(current_thread_info()->flags); - /* - * If TIF_NOHZ is set, we are required to call user_exit() before - * doing anything that could touch RCU. - */ - if (work & _TIF_NOHZ) - user_exit(); - if (secure_computing() == -1) return -1; @@ -281,12 +274,6 @@ void do_syscall_trace_exit(struct pt_regs *regs) long errno; /* - * We may come here right after calling schedule_user() - * in which case we can be in RCU user mode. - */ - user_exit(); - - /* * The standard tile calling convention returns the value (or negative * errno) in r0, and zero (or positive errno) in r1. * It saves a couple of cycles on the hot path to do this work in @@ -322,7 +309,5 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs) /* Handle synthetic interrupt delivered only by the simulator. */ void __kprobes do_breakpoint(struct pt_regs* regs, int fault_num) { - enum ctx_state prev_state = exception_enter(); send_sigtrap(current, regs); - exception_exit(prev_state); } |