| 1 |
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| 2 | |
| 3 | *
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| 4 | * It should be possible to use these on really simple architectures,
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| 5 | * but it serves more as a starting point for new ports.
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| 6 | *
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| 7 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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| 8 | * Written by David Howells ([email protected])
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| 9 |
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| 10 | #ifndef __ASM_GENERIC_SWITCH_TO_H
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| 11 | #define __ASM_GENERIC_SWITCH_TO_H
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| 12 |
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| 13 | #include <linux/thread_info.h>
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| 14 |
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| 15 | |
| 16 | * Context switching is now performed out-of-line in switch_to.S
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| 17 |
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| 18 | extern struct task_struct *__switch_to(struct task_struct *,
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| 19 | struct task_struct *);
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| 20 |
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| 21 | #define switch_to(prev, next, last) \
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| 22 | do { \
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| 23 | ((last) = __switch_to((prev), (next))); \
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| 24 | } while (0)
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| 25 |
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| 26 | #endif
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