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34 lines
952 B
34 lines
952 B
/* include/asm/current.h
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*
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* Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
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* Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com)
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* Copyright (C) 2007 David S. Miller (davem@davemloft.net)
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*
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* Derived from "include/asm-s390/current.h" by
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* Martin Schwidefsky (schwidefsky@de.ibm.com)
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* Derived from "include/asm-i386/current.h"
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*/
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#ifndef _SPARC_CURRENT_H
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#define _SPARC_CURRENT_H
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#include <linux/thread_info.h>
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#ifdef CONFIG_SPARC64
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register struct task_struct *current asm("g4");
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#endif
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#ifdef CONFIG_SPARC32
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/* We might want to consider using %g4 like sparc64 to shave a few cycles.
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*
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* Two stage process (inline + #define) for type-checking.
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* We also obfuscate get_current() to check if anyone used that by mistake.
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*/
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struct task_struct;
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static inline struct task_struct *__get_current(void)
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{
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return current_thread_info()->task;
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}
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#define current __get_current()
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#endif
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#endif /* !(_SPARC_CURRENT_H) */
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