diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/interrupt_64.S | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/process.c | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/interrupt_64.S b/arch/powerpc/kernel/interrupt_64.S index a44c8aab63ec..2a059214c1a9 100644 --- a/arch/powerpc/kernel/interrupt_64.S +++ b/arch/powerpc/kernel/interrupt_64.S @@ -748,6 +748,11 @@ _GLOBAL(ret_from_kernel_user_thread) #endif bctrl li r3,0 + /* + * It does not matter whether this returns via the scv or sc path + * because it returns as execve() and therefore has no calling ABI + * (i.e., it sets registers according to the exec()ed entry point). + */ b .Lsyscall_exit _GLOBAL(start_kernel_thread) diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 14fe4702a098..2d90f39581fa 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1745,7 +1745,6 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args) extern void start_kernel_thread(void); void (*f)(void); unsigned long sp = (unsigned long)task_stack_page(p) + THREAD_SIZE; - struct thread_info *ti = task_thread_info(p); #ifdef CONFIG_HAVE_HW_BREAKPOINT int i; #endif @@ -1784,7 +1783,6 @@ int copy_thread(struct task_struct *p, const struct kernel_clone_args *args) #ifdef CONFIG_PPC64 childregs->softe = IRQS_ENABLED; #endif - ti->flags |= _TIF_RESTOREALL; f = ret_from_kernel_user_thread; } else { struct pt_regs *regs = current_pt_regs(); |