diff options
| author | David Howells <dhowells@redhat.com> | 2012-03-28 21:30:03 +0400 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2012-03-28 21:30:03 +0400 |
| commit | 158bc507c2f53109bed51c806acf5bfd48d95f1a (patch) | |
| tree | 8c5f98ca9ccfd4362fe50c46038988794e96795b /include | |
| parent | b4816afa3986704d1404fc48e931da5135820472 (diff) | |
| download | linux-158bc507c2f53109bed51c806acf5bfd48d95f1a.tar.xz | |
Split the switch_to() wrapper out of asm-generic/system.h
Split the switch_to() wrapper out of asm-generic/system.h into its own
asm-generic/system.h as part of the asm/system.h disintegration.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include')
| -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 @@ +/* Generic task switch macro wrapper, based on MN10300 definitions. + * + * It should be possible to use these on really simple architectures, + * but it serves more as a starting point for new ports. + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef __ASM_GENERIC_SWITCH_TO_H +#define __ASM_GENERIC_SWITCH_TO_H + +#include <linux/thread_info.h> + +/* + * Context switching is now performed out-of-line in switch_to.S + */ +extern struct task_struct *__switch_to(struct task_struct *, + struct task_struct *); + +#define switch_to(prev, next, last) \ + do { \ + ((last) = __switch_to((prev), (next))); \ + } while (0) + +#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 @@ #ifndef __ASM_GENERIC_SYSTEM_H #define __ASM_GENERIC_SYSTEM_H -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - #include <asm/barrier.h> #include <asm/cmpxchg.h> - -struct task_struct; - -/* context switching is now performed out-of-line in switch_to.S */ -extern struct task_struct *__switch_to(struct task_struct *, - struct task_struct *); -#define switch_to(prev, next, last) \ - do { \ - ((last) = __switch_to((prev), (next))); \ - } while (0) +#include <asm/switch_to.h> #define arch_align_stack(x) (x) -#endif /* !__ASSEMBLY__ */ - #endif /* __ASM_GENERIC_SYSTEM_H */ |