X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=arch%2Ftile%2Fkernel%2Fptrace.c;h=54e7b723db99252ac2df797cc6f4672e6c45a77f;hb=1bb50cad45f4a3fb9a339006d76efc50f70eed5b;hp=bdc126faf7412f4b401e0fed17c694155b498a6b;hpb=9ce815ed50bbc518526106071f395deacaf94ad7;p=cascardo%2Flinux.git

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;
 
@@ -280,12 +273,6 @@ 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.
@@ -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);
 }