diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-15 13:45:59 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-15 13:45:59 +0200 |
commit | 91d0322bef047e2916b3e52741411bffc63929cb (patch) | |
tree | 44c4fd13cc17755a6db8a3d70cffb86e57a838dc /include/asm-x86/current.h | |
parent | 065cb3dfe24978651caedfa54da585388ad15dde (diff) | |
parent | 50515af207d410c9f228380e529c56f43c3de0bd (diff) |
Merge branch 'linus' into x86/urgent
Diffstat (limited to 'include/asm-x86/current.h')
-rw-r--r-- | include/asm-x86/current.h | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/include/asm-x86/current.h b/include/asm-x86/current.h index d2526d3f734..7515c19d498 100644 --- a/include/asm-x86/current.h +++ b/include/asm-x86/current.h @@ -1,5 +1,39 @@ +#ifndef _X86_CURRENT_H +#define _X86_CURRENT_H + #ifdef CONFIG_X86_32 -# include "current_32.h" -#else -# include "current_64.h" -#endif +#include <linux/compiler.h> +#include <asm/percpu.h> + +struct task_struct; + +DECLARE_PER_CPU(struct task_struct *, current_task); +static __always_inline struct task_struct *get_current(void) +{ + return x86_read_percpu(current_task); +} + +#else /* X86_32 */ + +#ifndef __ASSEMBLY__ +#include <asm/pda.h> + +struct task_struct; + +static __always_inline struct task_struct *get_current(void) +{ + return read_pda(pcurrent); +} + +#else /* __ASSEMBLY__ */ + +#include <asm/asm-offsets.h> +#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg + +#endif /* __ASSEMBLY__ */ + +#endif /* X86_32 */ + +#define current get_current() + +#endif /* X86_CURRENT_H */ |