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score: switch to generic fork/vfork/clone

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-10-21 16:44:57 -04:00
parent 951b39619a
commit eda9697702
6 changed files with 8 additions and 58 deletions
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8
arch/score/kernel/process.c
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@@ -94,17 +94,17 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
struct pt_regs *childregs = task_pt_regs(p);
p->thread.reg0 = (unsigned long) childregs;
if (unlikely(!regs)) {
if (unlikely(p->flags & PF_KTHREAD)) {
memset(childregs, 0, sizeof(struct pt_regs));
p->thread->reg12 = usp;
p->thread->reg13 = arg;
p->thread.reg3 = (unsigned long) ret_from_kernel_thread;
} else {
*childregs = *regs;
*childregs = *current_pt_regs();
childregs->regs[7] = 0; /* Clear error flag */
childregs->regs[4] = 0; /* Child gets zero as return value */
childregs->regs[0] = usp; /* user fork */
regs->regs[4] = p->pid; /* WTF? */
if (usp)
childregs->regs[0] = usp; /* user fork */
p->thread.reg3 = (unsigned long) ret_from_fork;
}