diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-28 17:32:00 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-28 17:32:00 -0400 |
commit | 9e3ee1c39c0cc71222f9980ccbf87fe072897eef (patch) | |
tree | 99462000e6f0d4f907cb2fc690f19d4d441ba0f3 /arch/sparc/include/asm/current.h | |
parent | e56b3bc7942982ac2589c942fb345e38bc7a341a (diff) | |
parent | f934fb19ef34730263e6afc01e8ec27a8a71470f (diff) |
Merge branch 'linus' into cpus4096
Conflicts:
kernel/stop_machine.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sparc/include/asm/current.h')
-rw-r--r-- | arch/sparc/include/asm/current.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/current.h b/arch/sparc/include/asm/current.h new file mode 100644 index 000000000000..10a0df55a574 --- /dev/null +++ b/arch/sparc/include/asm/current.h | |||
@@ -0,0 +1,34 @@ | |||
1 | /* include/asm/current.h | ||
2 | * | ||
3 | * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation | ||
4 | * Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com) | ||
5 | * Copyright (C) 2007 David S. Miller (davem@davemloft.net) | ||
6 | * | ||
7 | * Derived from "include/asm-s390/current.h" by | ||
8 | * Martin Schwidefsky (schwidefsky@de.ibm.com) | ||
9 | * Derived from "include/asm-i386/current.h" | ||
10 | */ | ||
11 | #ifndef _SPARC_CURRENT_H | ||
12 | #define _SPARC_CURRENT_H | ||
13 | |||
14 | #include <linux/thread_info.h> | ||
15 | |||
16 | #ifdef CONFIG_SPARC64 | ||
17 | register struct task_struct *current asm("g4"); | ||
18 | #endif | ||
19 | |||
20 | #ifdef CONFIG_SPARC32 | ||
21 | /* We might want to consider using %g4 like sparc64 to shave a few cycles. | ||
22 | * | ||
23 | * Two stage process (inline + #define) for type-checking. | ||
24 | * We also obfuscate get_current() to check if anyone used that by mistake. | ||
25 | */ | ||
26 | struct task_struct; | ||
27 | static inline struct task_struct *__get_current(void) | ||
28 | { | ||
29 | return current_thread_info()->task; | ||
30 | } | ||
31 | #define current __get_current() | ||
32 | #endif | ||
33 | |||
34 | #endif /* !(_SPARC_CURRENT_H) */ | ||