From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 16 Jul 2008 22:12:25 +0000 (+1000)
Subject: powerpc: Fix support for latencytop
X-Git-Tag: v2.6.27-rc1~865^2~14
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6fdc9f5076e0f6018e1d9250c6673f812b556d90;p=linux-2.6

powerpc: Fix support for latencytop

We need to pass the kernel stack pointer instead of the user space
stack pointer in save_stack_trace_tsk().

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c
index 071bee3ec7..f258964587 100644
--- a/arch/powerpc/kernel/stacktrace.c
+++ b/arch/powerpc/kernel/stacktrace.c
@@ -59,6 +59,6 @@ EXPORT_SYMBOL_GPL(save_stack_trace);
 
 void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
 {
-	save_context_stack(trace, tsk->thread.regs->gpr[1], tsk, 0);
+	save_context_stack(trace, tsk->thread.ksp, tsk, 0);
 }
 EXPORT_SYMBOL_GPL(save_stack_trace_tsk);