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authorAkiyama, Nobuyuki <akiyama.nobuyuk@jp.fujitsu.com>2007-02-22 22:50:38 +0900
committerTony Luck <tony.luck@intel.com>2007-03-08 10:27:24 -0800
commit8e43d75ad0bd8a90933abb005ef57caf63ce8541 (patch)
tree49a0da773d7f4db3ea40d015a5217ce5b1355326
parent0ac1faca4a63fc2f7e608be76127561b88fbcdd9 (diff)
[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>
-rw-r--r--arch/ia64/kernel/ptrace.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 3f8918782e0..00f80324694 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -1573,6 +1573,7 @@ sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)
case PTRACE_DETACH:
/* detach a process that was attached. */
+ clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
ret = ptrace_detach(child, data);
goto out_tsk;