powerpc: make fork_idle() take the common "kernel thread" path in copy_thread()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -745,7 +745,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
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/* Copy registers */
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sp -= sizeof(struct pt_regs);
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childregs = (struct pt_regs *) sp;
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if (!regs) {
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if (unlikely(p->flags & PF_KTHREAD)) {
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struct thread_info *ti = (void *)task_stack_page(p);
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memset(childregs, 0, sizeof(struct pt_regs));
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childregs->gpr[1] = sp + sizeof(struct pt_regs);
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