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Diffstat (limited to 'arch/powerpc/kernel/process.c')
-rw-r--r--arch/powerpc/kernel/process.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 1168c5f440ab..7b816daf3eba 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -554,18 +554,6 @@ void exit_thread(void)
void flush_thread(void)
{
-#ifdef CONFIG_PPC64
- struct thread_info *t = current_thread_info();
-
- if (test_ti_thread_flag(t, TIF_ABI_PENDING)) {
- clear_ti_thread_flag(t, TIF_ABI_PENDING);
- if (test_ti_thread_flag(t, TIF_32BIT))
- clear_ti_thread_flag(t, TIF_32BIT);
- else
- set_ti_thread_flag(t, TIF_32BIT);
- }
-#endif
-
discard_lazy_cpu_state();
if (current->thread.dabr) {
@@ -1016,9 +1004,13 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
int curr_frame = current->curr_ret_stack;
extern void return_to_handler(void);
- unsigned long addr = (unsigned long)return_to_handler;
+ unsigned long rth = (unsigned long)return_to_handler;
+ unsigned long mrth = -1;
#ifdef CONFIG_PPC64
- addr = *(unsigned long*)addr;
+ extern void mod_return_to_handler(void);
+ rth = *(unsigned long *)rth;
+ mrth = (unsigned long)mod_return_to_handler;
+ mrth = *(unsigned long *)mrth;
#endif
#endif
@@ -1044,7 +1036,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
if (!firstframe || ip != lr) {
printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
- if (ip == addr && curr_frame >= 0) {
+ if ((ip == rth || ip == mrth) && curr_frame >= 0) {
printk(" (%pS)",
(void *)current->ret_stack[curr_frame].ret);
curr_frame--;
@@ -1168,7 +1160,7 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
unsigned long base = mm->brk;
unsigned long ret;
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_STD_MMU_64
/*
* If we are using 1TB segments and we are allowed to randomise
* the heap, we can put it above 1TB so it is backed by a 1TB