| 1 |
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| 2 | #ifndef _ASM_X86_CURRENT_H
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| 3 | #define _ASM_X86_CURRENT_H
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| 4 |
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| 5 | #include <linux/build_bug.h>
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| 6 | #include <linux/compiler.h>
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| 7 |
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| 8 | #ifndef __ASSEMBLER__
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| 9 |
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| 10 | #include <linux/cache.h>
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| 11 | #include <asm/percpu.h>
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| 12 |
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| 13 | struct task_struct;
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| 14 |
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| 15 | DECLARE_PER_CPU_CACHE_HOT(struct task_struct *, current_task);
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| 16 |
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| 17 | DECLARE_PER_CPU_CACHE_HOT(struct task_struct * const __percpu_seg_override,
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| 18 | const_current_task);
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| 19 |
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| 20 | static __always_inline struct task_struct *get_current(void)
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| 21 | {
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| 22 | if (IS_ENABLED(CONFIG_USE_X86_SEG_SUPPORT))
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| 23 | return this_cpu_read_const(const_current_task);
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| 24 |
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| 25 | return this_cpu_read_stable(current_task);
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| 26 | }
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| 27 |
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| 28 | #define current get_current()
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| 29 |
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| 30 | #endif
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| 31 |
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| 32 | #endif
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