diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-07-15 20:19:14 +0100 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-07-15 20:19:14 +0100 |
commit | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (patch) | |
tree | 313b3b9ca04727f3704464e01d8dd97da1dd534b /include/asm-x86/current.h | |
parent | 19c1d6a34abf73d0baf8e325d018c920fa78dddc (diff) | |
parent | b9d2252c1e44fa83a4e65fdc9eb93db6297c55af (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-rmk
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 */ |