Commit 8e43d75a authored Feb 22, 2007 by Akiyama, Nobuyuki Committed by Tony Luck Mar 08, 2007

[IA64] add missing syscall trace clear



The ptrace misses clearing the syscall trace flag.
The increased syscall overhead is retained after the trace is finished.
This case happens when strace is terminated by force.

Signed-off-by: Akiyama, Nobuyuki <akiyama.nobuyuk@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

parent 0ac1faca

arch/ia64/kernel/ptrace.c

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1573,6 +1573,7 @@ sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)

	case PTRACE_DETACH:		case PTRACE_DETACH:
	/* detach a process that was attached. */		/* detach a process that was attached. */
			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
	ret = ptrace_detach(child, data);		ret = ptrace_detach(child, data);
	goto out_tsk;		goto out_tsk;