diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-04 17:25:06 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-04 17:25:06 -0700 |
commit | 2acb802b0c5485aedb46e23b2b45e49573454c09 (patch) | |
tree | 82afbba3d073ce903cb737412b6eccdf8adab4b5 /arch/powerpc/include/asm/current.h | |
parent | d8f4b819c3a5b54a978c6fe5249a17cff490c4a1 (diff) | |
parent | 9c4cb82515130c62224e23fdf7c13c8f6c59c614 (diff) |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
powerpc: Remove use of CONFIG_PPC_MERGE
powerpc: Force printing of 'total_memory' to unsigned long long
powerpc: Fix compiler warning in arch/powerpc/mm/mem.c
powerpc: Move include files to arch/powerpc/include/asm
Diffstat (limited to 'arch/powerpc/include/asm/current.h')
-rw-r--r-- | arch/powerpc/include/asm/current.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/current.h b/arch/powerpc/include/asm/current.h new file mode 100644 index 00000000000..e2c7f06931e --- /dev/null +++ b/arch/powerpc/include/asm/current.h @@ -0,0 +1,40 @@ +#ifndef _ASM_POWERPC_CURRENT_H +#define _ASM_POWERPC_CURRENT_H +#ifdef __KERNEL__ + +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +struct task_struct; + +#ifdef __powerpc64__ +#include <linux/stddef.h> +#include <asm/paca.h> + +static inline struct task_struct *get_current(void) +{ + struct task_struct *task; + + __asm__ __volatile__("ld %0,%1(13)" + : "=r" (task) + : "i" (offsetof(struct paca_struct, __current))); + + return task; +} +#define current get_current() + +#else + +/* + * We keep `current' in r2 for speed. + */ +register struct task_struct *current asm ("r2"); + +#endif + +#endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_CURRENT_H */ |