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Diffstat (limited to 'arch/s390/kernel/process.c')
-rw-r--r--arch/s390/kernel/process.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 114ee8b96..2bba7df4a 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -56,10 +56,10 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
return 0;
low = task_stack_page(tsk);
high = (struct stack_frame *) task_pt_regs(tsk);
- sf = (struct stack_frame *) (tsk->thread.ksp & PSW_ADDR_INSN);
+ sf = (struct stack_frame *) tsk->thread.ksp;
if (sf <= low || sf > high)
return 0;
- sf = (struct stack_frame *) (sf->back_chain & PSW_ADDR_INSN);
+ sf = (struct stack_frame *) sf->back_chain;
if (sf <= low || sf > high)
return 0;
return sf->gprs[8];
@@ -154,7 +154,7 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
memset(&frame->childregs, 0, sizeof(struct pt_regs));
frame->childregs.psw.mask = PSW_KERNEL_BITS | PSW_MASK_DAT |
PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
- frame->childregs.psw.addr = PSW_ADDR_AMODE |
+ frame->childregs.psw.addr =
(unsigned long) kernel_thread_starter;
frame->childregs.gprs[9] = new_stackp; /* function */
frame->childregs.gprs[10] = arg;
@@ -220,14 +220,14 @@ unsigned long get_wchan(struct task_struct *p)
return 0;
low = task_stack_page(p);
high = (struct stack_frame *) task_pt_regs(p);
- sf = (struct stack_frame *) (p->thread.ksp & PSW_ADDR_INSN);
+ sf = (struct stack_frame *) p->thread.ksp;
if (sf <= low || sf > high)
return 0;
for (count = 0; count < 16; count++) {
- sf = (struct stack_frame *) (sf->back_chain & PSW_ADDR_INSN);
+ sf = (struct stack_frame *) sf->back_chain;
if (sf <= low || sf > high)
return 0;
- return_address = sf->gprs[8] & PSW_ADDR_INSN;
+ return_address = sf->gprs[8];
if (!in_sched_functions(return_address))
return return_address;
}