Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (112 commits)
  sh: Move SH-4 CPU headers down one more level.
  sh: Only build in gpio.o when CONFIG_GENERIC_GPIO is selected.
  sh: Migrate common board headers to mach-common/.
  sh: Move the CPU definition headers from asm/ to cpu/.
  serial: sh-sci: Add support SCIF of SH7723
  video: add sh_mobile_lcdc platform flags
  video: remove unused sh_mobile_lcdc platform data
  sh: remove consistent alloc cruft
  sh: add dynamic crash base address support
  sh: reduce Migo-R smc91x overruns
  sh: Fix up some merge damage.
  Fix debugfs_create_file's error checking method for arch/sh/mm/
  Fix debugfs_create_dir's error checking method for arch/sh/kernel/
  sh: ap325rxa: Add support RTC RX-8564LC in AP325RXA board
  sh: Use sh7720 GPIO on magicpanelr2 board
  sh: Add sh7720 pinmux code
  sh: Use sh7203 GPIO on rsk7203 board
  sh: Add sh7203 pinmux code
  sh: Use sh7723 GPIO on AP325RXA board
  sh: Add sh7723 pinmux code
  ...

1 files changed, 22 insertions, 1 deletions

diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c
index 54d1f61aa007..1a2a5eb76e41 100644
--- a/arch/sh/kernel/stacktrace.c
+++ b/arch/sh/kernel/stacktrace.c
@@ -3,7 +3,7 @@
  *
  * Stack trace management functions
  *
- *  Copyright (C) 2006  Paul Mundt
+ *  Copyright (C) 2006 - 2008  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -36,3 +36,24 @@ void save_stack_trace(struct stack_trace *trace)
         }
 }
 EXPORT_SYMBOL_GPL(save_stack_trace);
+
+void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+{
+        unsigned long *sp = (unsigned long *)tsk->thread.sp;
+
+        while (!kstack_end(sp)) {
+                unsigned long addr = *sp++;
+
+                if (__kernel_text_address(addr)) {
+                        if (in_sched_functions(addr))
+                                break;
+                        if (trace->skip > 0)
+                                trace->skip--;
+                        else
+                                trace->entries[trace->nr_entries++] = addr;
+                        if (trace->nr_entries >= trace->max_entries)
+                                break;
+                }
+        }
+}
+EXPORT_SYMBOL_GPL(save_stack_trace_tsk);