diff options
| -rw-r--r-- | include/asm-generic/switch_to.h | 30 | ||||
| -rw-r--r-- | include/asm-generic/system.h | 17 |
2 files changed, 31 insertions, 16 deletions
diff --git a/include/asm-generic/switch_to.h b/include/asm-generic/switch_to.h new file mode 100644 index 000000000000..052c4ac04fd5 --- /dev/null +++ b/include/asm-generic/switch_to.h | |||
| @@ -0,0 +1,30 @@ | |||
| 1 | /* Generic task switch macro wrapper, based on MN10300 definitions. | ||
| 2 | * | ||
| 3 | * It should be possible to use these on really simple architectures, | ||
| 4 | * but it serves more as a starting point for new ports. | ||
| 5 | * | ||
| 6 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
| 7 | * Written by David Howells (dhowells@redhat.com) | ||
| 8 | * | ||
| 9 | * This program is free software; you can redistribute it and/or | ||
| 10 | * modify it under the terms of the GNU General Public Licence | ||
| 11 | * as published by the Free Software Foundation; either version | ||
| 12 | * 2 of the Licence, or (at your option) any later version. | ||
| 13 | */ | ||
| 14 | #ifndef __ASM_GENERIC_SWITCH_TO_H | ||
| 15 | #define __ASM_GENERIC_SWITCH_TO_H | ||
| 16 | |||
| 17 | #include <linux/thread_info.h> | ||
| 18 | |||
| 19 | /* | ||
| 20 | * Context switching is now performed out-of-line in switch_to.S | ||
| 21 | */ | ||
| 22 | extern struct task_struct *__switch_to(struct task_struct *, | ||
| 23 | struct task_struct *); | ||
| 24 | |||
| 25 | #define switch_to(prev, next, last) \ | ||
| 26 | do { \ | ||
| 27 | ((last) = __switch_to((prev), (next))); \ | ||
| 28 | } while (0) | ||
| 29 | |||
| 30 | #endif /* __ASM_GENERIC_SWITCH_TO_H */ | ||
diff --git a/include/asm-generic/system.h b/include/asm-generic/system.h index 54cd124ea9a4..f2b8eb453cbb 100644 --- a/include/asm-generic/system.h +++ b/include/asm-generic/system.h | |||
| @@ -14,25 +14,10 @@ | |||
| 14 | #ifndef __ASM_GENERIC_SYSTEM_H | 14 | #ifndef __ASM_GENERIC_SYSTEM_H |
| 15 | #define __ASM_GENERIC_SYSTEM_H | 15 | #define __ASM_GENERIC_SYSTEM_H |
| 16 | 16 | ||
| 17 | #ifndef __ASSEMBLY__ | ||
| 18 | |||
| 19 | #include <linux/types.h> | ||
| 20 | |||
| 21 | #include <asm/barrier.h> | 17 | #include <asm/barrier.h> |
| 22 | #include <asm/cmpxchg.h> | 18 | #include <asm/cmpxchg.h> |
| 23 | 19 | #include <asm/switch_to.h> | |
| 24 | struct task_struct; | ||
| 25 | |||
| 26 | /* context switching is now performed out-of-line in switch_to.S */ | ||
| 27 | extern struct task_struct *__switch_to(struct task_struct *, | ||
| 28 | struct task_struct *); | ||
| 29 | #define switch_to(prev, next, last) \ | ||
| 30 | do { \ | ||
| 31 | ((last) = __switch_to((prev), (next))); \ | ||
| 32 | } while (0) | ||
| 33 | 20 | ||
| 34 | #define arch_align_stack(x) (x) | 21 | #define arch_align_stack(x) (x) |
| 35 | 22 | ||
| 36 | #endif /* !__ASSEMBLY__ */ | ||
| 37 | |||
| 38 | #endif /* __ASM_GENERIC_SYSTEM_H */ | 23 | #endif /* __ASM_GENERIC_SYSTEM_H */ |
