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authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-15 18:15:03 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-15 18:15:03 -0400
commit37a08b13eba6ce3b42df30b2a5ca3a9845f429ec (patch)
tree663ceaca23d3ca508994bf9e1e80873a5e091898 /arch/powerpc/kernel/process.c
parentbd72f85b9ad6cf41bc771de0cd27d892c41b4396 (diff)
parentb734dd5b5753c88c64bf56d4002d8ade7e88edec (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/pci: Fix MODPOST warning powerpc/oprofile: Add ppc750 CL as supported by oprofile powerpc: warning: allocated section `.data_nosave' not in segment powerpc/kgdb: Fix build failure caused by "kgdb.c: unused variable 'acc'" powerpc: Fix hypervisor TLB batching powerpc/mm: Fix hang accessing top of vmalloc space powerpc: Fix memory leak in axon_msi.c powerpc/pmac: Fix issues with sleep on some powerbooks powerpc64/ftrace: use PACA to retrieve TOC in mod_return_to_handler powerpc/ftrace: show real return addresses in modules
Diffstat (limited to 'arch/powerpc/kernel/process.c')
-rw-r--r--arch/powerpc/kernel/process.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 1168c5f440ab..2ec1eaed19ca 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1016,9 +1016,13 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
1016#ifdef CONFIG_FUNCTION_GRAPH_TRACER 1016#ifdef CONFIG_FUNCTION_GRAPH_TRACER
1017 int curr_frame = current->curr_ret_stack; 1017 int curr_frame = current->curr_ret_stack;
1018 extern void return_to_handler(void); 1018 extern void return_to_handler(void);
1019 unsigned long addr = (unsigned long)return_to_handler; 1019 unsigned long rth = (unsigned long)return_to_handler;
1020 unsigned long mrth = -1;
1020#ifdef CONFIG_PPC64 1021#ifdef CONFIG_PPC64
1021 addr = *(unsigned long*)addr; 1022 extern void mod_return_to_handler(void);
1023 rth = *(unsigned long *)rth;
1024 mrth = (unsigned long)mod_return_to_handler;
1025 mrth = *(unsigned long *)mrth;
1022#endif 1026#endif
1023#endif 1027#endif
1024 1028
@@ -1044,7 +1048,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
1044 if (!firstframe || ip != lr) { 1048 if (!firstframe || ip != lr) {
1045 printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip); 1049 printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip);
1046#ifdef CONFIG_FUNCTION_GRAPH_TRACER 1050#ifdef CONFIG_FUNCTION_GRAPH_TRACER
1047 if (ip == addr && curr_frame >= 0) { 1051 if ((ip == rth || ip == mrth) && curr_frame >= 0) {
1048 printk(" (%pS)", 1052 printk(" (%pS)",
1049 (void *)current->ret_stack[curr_frame].ret); 1053 (void *)current->ret_stack[curr_frame].ret);
1050 curr_frame--; 1054 curr_frame--;