[PATCH] uml: _switch_to code consolidation
This patch moves code that is in both switch_to_tt and switch_to_skas to the
top level _switch_to function, keeping us from duplicating code. It is
required for the stack trace patch to work properly.
Signed-off-by: Allan Graves <allan.graves@gmail.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index c23d8a0..1143f5e 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -113,8 +113,16 @@
void *_switch_to(void *prev, void *next, void *last)
{
- return(CHOOSE_MODE(switch_to_tt(prev, next),
- switch_to_skas(prev, next)));
+ struct task_struct *from = prev;
+ struct task_struct *to= next;
+
+ to->thread.prev_sched = from;
+ set_current(to);
+
+ CHOOSE_MODE_PROC(switch_to_tt, switch_to_skas, prev, next);
+
+ return(current->thread.prev_sched);
+
}
void interrupt_end(void)