mirror of https://github.com/torvalds/linux.git
33 lines
761 B
C
33 lines
761 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_CURRENT_H
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#define _ASM_X86_CURRENT_H
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#include <linux/build_bug.h>
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#include <linux/compiler.h>
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#ifndef __ASSEMBLER__
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#include <linux/cache.h>
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#include <asm/percpu.h>
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struct task_struct;
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DECLARE_PER_CPU_CACHE_HOT(struct task_struct *, current_task);
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/* const-qualified alias provided by the linker. */
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DECLARE_PER_CPU_CACHE_HOT(struct task_struct * const __percpu_seg_override,
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const_current_task);
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static __always_inline struct task_struct *get_current(void)
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{
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if (IS_ENABLED(CONFIG_USE_X86_SEG_SUPPORT))
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return this_cpu_read_const(const_current_task);
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return this_cpu_read_stable(current_task);
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}
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#define current get_current()
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#endif /* __ASSEMBLER__ */
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#endif /* _ASM_X86_CURRENT_H */
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