diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:15:01 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:15:01 +0000 |
commit | 7996a3d79d55b7f879dfd62e202bbfe2963718d3 (patch) | |
tree | 8d9f6759fec4099b9be503c11c7ed174f7204980 /libdde-linux26/contrib/arch/x86/include/asm/current.h | |
parent | 4fbe7358c7747a9165f776eb19addbb9baf7def2 (diff) |
really properly move files
Diffstat (limited to 'libdde-linux26/contrib/arch/x86/include/asm/current.h')
-rw-r--r-- | libdde-linux26/contrib/arch/x86/include/asm/current.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/arch/x86/include/asm/current.h b/libdde-linux26/contrib/arch/x86/include/asm/current.h new file mode 100644 index 00000000..0930b4f8 --- /dev/null +++ b/libdde-linux26/contrib/arch/x86/include/asm/current.h @@ -0,0 +1,39 @@ +#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; + +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 /* _ASM_X86_CURRENT_H */ |