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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 07:44:51 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 07:44:51 +0200 |
| commit | 43d2548bb2ef7e6d753f91468a746784041e522d (patch) | |
| tree | 77d13fcd48fd998393abb825ec36e2b732684a73 /include/asm-x86/current.h | |
| parent | powerpc: Fix pte_update for CONFIG_PTE_64BIT and !PTE_ATOMIC_UPDATES (diff) | |
| parent | Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm (diff) | |
| download | linux-43d2548bb2ef7e6d753f91468a746784041e522d.tar.xz linux-43d2548bb2ef7e6d753f91468a746784041e522d.zip | |
Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build
Manual fixup of:
arch/powerpc/Kconfig
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 d2526d3f7346..7515c19d4988 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 */ |