diff options
author | H. Peter Anvin <hpa@zytor.com> | 2009-05-23 19:42:19 -0400 |
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committer | H. Peter Anvin <hpa@zytor.com> | 2009-05-23 19:42:19 -0400 |
commit | ee0736627d3347be0be2769fa7b26431f9726c9d (patch) | |
tree | 203e2204daaec4cf005463fdf2c7bf380d6eef36 /arch/mn10300/include/asm/current.h | |
parent | cf9972a921470b0a2da7906104bcd540b20e33bf (diff) | |
parent | 0af48f42df15b97080b450d24219dd95db7b929a (diff) |
Merge branch 'x86/urgent' into x86/setup
Resolved conflicts:
arch/x86/boot/memory.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/mn10300/include/asm/current.h')
-rw-r--r-- | arch/mn10300/include/asm/current.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/current.h b/arch/mn10300/include/asm/current.h new file mode 100644 index 000000000000..ca6027d83743 --- /dev/null +++ b/arch/mn10300/include/asm/current.h | |||
@@ -0,0 +1,37 @@ | |||
1 | /* MN10300 Current task structure accessor | ||
2 | * | ||
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public Licence | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the Licence, or (at your option) any later version. | ||
10 | */ | ||
11 | #ifndef _ASM_CURRENT_H | ||
12 | #define _ASM_CURRENT_H | ||
13 | |||
14 | #include <linux/thread_info.h> | ||
15 | |||
16 | /* | ||
17 | * dedicate E2 to keeping the current task pointer | ||
18 | */ | ||
19 | #ifdef CONFIG_MN10300_CURRENT_IN_E2 | ||
20 | |||
21 | register struct task_struct *const current asm("e2") __attribute__((used)); | ||
22 | |||
23 | #define get_current() current | ||
24 | |||
25 | extern struct task_struct *__current; | ||
26 | |||
27 | #else | ||
28 | static inline __attribute__((const)) | ||
29 | struct task_struct *get_current(void) | ||
30 | { | ||
31 | return current_thread_info()->task; | ||
32 | } | ||
33 | |||
34 | #define current get_current() | ||
35 | #endif | ||
36 | |||
37 | #endif /* _ASM_CURRENT_H */ | ||