diff options
Diffstat (limited to 'arch/xtensa/kernel/process.c')
| -rw-r--r-- | arch/xtensa/kernel/process.c | 31 |
1 files changed, 6 insertions, 25 deletions
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 09ae7bfab9a..1c85323f01d 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -105,19 +105,9 @@ void coprocessor_flush_all(struct thread_info *ti) /* * Powermanagement idle function, if any is provided by the platform. */ - -void cpu_idle(void) +void arch_cpu_idle(void) { - local_irq_enable(); - - /* endless idle loop with no priority at all */ - while (1) { - rcu_idle_enter(); - while (!need_resched()) - platform_idle(); - rcu_idle_exit(); - schedule_preempt_disabled(); - } + platform_idle(); } /* @@ -199,8 +189,7 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) */ int copy_thread(unsigned long clone_flags, unsigned long usp_thread_fn, - unsigned long thread_fn_arg, - struct task_struct *p, struct pt_regs *unused) + unsigned long thread_fn_arg, struct task_struct *p) { struct pt_regs *childregs = task_pt_regs(p); @@ -260,9 +249,10 @@ int copy_thread(unsigned long clone_flags, unsigned long usp_thread_fn, memcpy(&childregs->areg[XCHAL_NUM_AREGS - len/4], ®s->areg[XCHAL_NUM_AREGS - len/4], len); } -// FIXME: we need to set THREADPTR in thread_info... + + /* The thread pointer is passed in the '4th argument' (= a5) */ if (clone_flags & CLONE_SETTLS) - childregs->areg[2] = childregs->areg[6]; + childregs->threadptr = childregs->areg[5]; } else { p->thread.ra = MAKE_RA_FOR_CALL( (unsigned long)ret_from_kernel_thread, 1); @@ -364,12 +354,3 @@ int dump_fpu(void) { return 0; } - -asmlinkage -long xtensa_clone(unsigned long clone_flags, unsigned long newsp, - void __user *parent_tid, void *child_tls, - void __user *child_tid, long a5, - struct pt_regs *regs) -{ - return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid); -} |