x86/entry: Provide idtentry_enter/exit_user()

			rcu_irq_exit();

	}

}

/**

 * idtentry_enter_user - Handle state tracking on idtentry from user mode

 * @regs:	Pointer to pt_regs of interrupted context

 *

 * Invokes enter_from_user_mode() to establish the proper context for

 * NOHZ_FULL. Otherwise scheduling on exit would not be possible.

 */

void noinstr idtentry_enter_user(struct pt_regs *regs)

{

	enter_from_user_mode();

}

/**

 * idtentry_exit_user - Handle return from exception to user mode

 * @regs:	Pointer to pt_regs (exception entry regs)

 *

 * Runs the necessary preemption and work checks and returns to the caller

 * with interrupts disabled and no further work pending.

 *

 * This is the last action before returning to the low level ASM code which

 * just needs to return to the appropriate context.

 *

 * Counterpart to idtentry_enter_user().

 */

void noinstr idtentry_exit_user(struct pt_regs *regs)

{

	lockdep_assert_irqs_disabled();

	prepare_exit_to_usermode(regs);

}

#ifndef __ASSEMBLY__

void idtentry_enter_user(struct pt_regs *regs);

void idtentry_exit_user(struct pt_regs *regs);

bool idtentry_enter_cond_rcu(struct pt_regs *regs, bool cond_rcu);

void idtentry_exit_cond_rcu(struct pt_regs *regs, bool rcu_exit);