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35 lines
991 B
35 lines
991 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* 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 ([email protected]) |
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* Copyright (C) 2007 David S. Miller ([email protected]) |
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* |
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* Derived from "include/asm-s390/current.h" by |
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* Martin Schwidefsky ([email protected]) |
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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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