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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:14:24 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:14:24 +0000 |
commit | 6fafeb146e9efd59140ea58cebd7dd38ae9a6379 (patch) | |
tree | 7db89ba6a28932514b105d620bba4884ec332ec3 /libdde_linux26/include/ARCH-x86/asm-x86/current.h | |
parent | 38c2c2458e3f4ecb329ff35621806252aac209b9 (diff) | |
parent | 8df772b3c665e663f6f9d2a70f9c691590bd3f91 (diff) |
Merge branch 'dde' into upstream-merged
Diffstat (limited to 'libdde_linux26/include/ARCH-x86/asm-x86/current.h')
-rw-r--r-- | libdde_linux26/include/ARCH-x86/asm-x86/current.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libdde_linux26/include/ARCH-x86/asm-x86/current.h b/libdde_linux26/include/ARCH-x86/asm-x86/current.h new file mode 100644 index 00000000..c84f6a1a --- /dev/null +++ b/libdde_linux26/include/ARCH-x86/asm-x86/current.h @@ -0,0 +1,43 @@ +#ifndef _ASM_X86_CURRENT_H +#define _ASM_X86_CURRENT_H + +#ifdef CONFIG_X86_32 +#include <linux/compiler.h> +#include <asm/percpu.h> + +struct task_struct; + +#ifndef DDE_LINUX +DECLARE_PER_CPU(struct task_struct *, current_task); +static __always_inline struct task_struct *get_current(void) +{ + return x86_read_percpu(current_task); +} +#else +struct task_struct *get_current(void); +#endif + +#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 /* _ASM_X86_CURRENT_H */ |