diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-21 16:50:34 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-21 22:25:11 -0400 |
| commit | 53b50f9483cce47d1a7aefd1c9f442c094a5b1f7 (patch) | |
| tree | 7d31f189018499916089eda03e2e5f13f207db44 | |
| parent | 40792104b2550ee067f63c3ccc8ea04747dc5037 (diff) | |
powerpc: take dereferencing to ret_from_kernel_thread()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/process.c | 4 |
2 files changed, 2 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 8fdb05146ca..e9a906c2723 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -373,6 +373,7 @@ _GLOBAL(ret_from_fork) _GLOBAL(ret_from_kernel_thread) bl .schedule_tail REST_NVGPRS(r1) + ld r14, 0(r14) mtlr r14 mr r3,r15 blrl diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 7fc70f29edb..8c600c3f661 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -749,12 +749,10 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, struct thread_info *ti = (void *)task_stack_page(p); memset(childregs, 0, sizeof(struct pt_regs)); childregs->gpr[1] = sp + sizeof(struct pt_regs); + childregs->gpr[14] = usp; /* function */ #ifdef CONFIG_PPC64 - childregs->gpr[14] = *(unsigned long *)usp; clear_tsk_thread_flag(p, TIF_32BIT); childregs->softe = 1; -#else - childregs->gpr[14] = usp; /* function */ #endif childregs->gpr[15] = arg; p->thread.regs = NULL; /* no user register state */ |