[PATCH 5/5] uprobes: Move clear_thread_flag(TIF_UPROBE) touprobe_notify_resume()

From: Oleg Nesterov
Date: Fri Sep 14 2012 - 13:14:22 EST


Move clear_thread_flag(TIF_UPROBE) from do_notify_resume() to
uprobe_notify_resume() for !CONFIG_UPROBES case.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---
arch/x86/kernel/signal.c | 4 +---
kernel/events/uprobes.c | 2 ++
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index b280908..0041e5a 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -785,10 +785,8 @@ do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags)
mce_notify_process();
#endif /* CONFIG_X86_64 && CONFIG_X86_MCE */

- if (thread_info_flags & _TIF_UPROBE) {
- clear_thread_flag(TIF_UPROBE);
+ if (thread_info_flags & _TIF_UPROBE)
uprobe_notify_resume(regs);
- }

/* deal with pending signal delivery */
if (thread_info_flags & _TIF_SIGPENDING)
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 4ea0f0b..14c2e99 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1558,6 +1558,8 @@ void uprobe_notify_resume(struct pt_regs *regs)
{
struct uprobe_task *utask;

+ clear_thread_flag(TIF_UPROBE);
+
utask = current->utask;
if (utask && utask->active_uprobe)
handle_singlestep(utask, regs);
--
1.5.5.1

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