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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2013-12-03 11:09:10 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-12-16 14:37:44 +0100
commit1c182a628075af7431edb8155601740867b5ae51 (patch)
tree8e7b6ef1e8fd3a4d57254191a1f6e43cb7f59953 /arch
parentdea24190fbfb340dea5224e32161955514bef31b (diff)
s390/ptrace: simplify enable/disable single step
The user_enable_single_step() and user_disable_sindle_step() functions are always called on the inferior, never for the currently active process. Remove the unnecessary check for the current process and the update_cr_regs() call from the enable/disable functions. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/kernel/ptrace.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index e65c91c591e..c369a26d1d5 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -107,15 +107,11 @@ void update_cr_regs(struct task_struct *task)
void user_enable_single_step(struct task_struct *task)
{
set_tsk_thread_flag(task, TIF_SINGLE_STEP);
- if (task == current)
- update_cr_regs(task);
}
void user_disable_single_step(struct task_struct *task)
{
clear_tsk_thread_flag(task, TIF_SINGLE_STEP);
- if (task == current)
- update_cr_regs(task);
}
/*