On Mon, 4 Jan 2010 19:14:12 +0100
Oleg Nesterov o...@redhat.com wrote:
On 01/04, Martin Schwidefsky wrote:
Subject: [PATCH] fix loading of PER control registers for utrace.
From: Martin Schwidefsky schwidef...@de.ibm.com
If the current task enables / disables PER tracing for itself the
On 01/05, Martin Schwidefsky wrote:
On Mon, 4 Jan 2010 13:11:47 -0800 (PST)
Roland McGrath rol...@redhat.com wrote:
This probably means that copy_process()-user_disable_single_step()
is not enough to clear the this task wants single-stepping copied
from parent.
I would suspect
On Tue, 5 Jan 2010 16:36:33 +0100
Oleg Nesterov o...@redhat.com wrote:
On 01/05, Martin Schwidefsky wrote:
On Mon, 4 Jan 2010 13:11:47 -0800 (PST)
Roland McGrath rol...@redhat.com wrote:
This probably means that copy_process()-user_disable_single_step()
is not enough to clear
On 01/05, Oleg Nesterov wrote:
Anyway. I modified the debugging patch a bit:
--- K/arch/s390/kernel/traps.c~ 2009-12-22 10:41:52.909174198 -0500
+++ K/arch/s390/kernel/traps.c2010-01-05 09:49:19.541792379 -0500
@@ -384,6 +384,8 @@ void __kprobes do_single_step(struct pt_
On Tue, 5 Jan 2010 16:47:25 +0100
Oleg Nesterov o...@redhat.com wrote:
On 01/05, Oleg Nesterov wrote:
Anyway. I modified the debugging patch a bit:
--- K/arch/s390/kernel/traps.c~ 2009-12-22 10:41:52.909174198 -0500
+++ K/arch/s390/kernel/traps.c 2010-01-05 09:49:19.541792379
On 01/05, Martin Schwidefsky wrote:
On Tue, 5 Jan 2010 16:36:33 +0100
Oleg Nesterov o...@redhat.com wrote:
For example, why do_signal() sets TIF_SINGLE_STEP? Why can't we do
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -500,18 +500,10 @@ void