rcu.h

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#ifndef _ASM_X86_RCU_H
#define _ASM_X86_RCU_H

#ifndef __ASSEMBLY__

#include <linux/rcupdate.h>
#include <asm/ptrace.h>

static inline void exception_enter(struct pt_regs *regs)
{
    rcu_user_exit();
}

static inline void exception_exit(struct pt_regs *regs)
{
#ifdef CONFIG_RCU_USER_QS
    if (user_mode(regs))
        rcu_user_enter();
#endif
}

#else /* __ASSEMBLY__ */

#ifdef CONFIG_RCU_USER_QS
# define SCHEDULE_USER call schedule_user
#else
# define SCHEDULE_USER call schedule
#endif

#endif /* !__ASSEMBLY__ */

#endif