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29 lines
517 B
29 lines
517 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __ASM_CURRENT_H |
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#define __ASM_CURRENT_H |
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#include <linux/compiler.h> |
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#ifndef __ASSEMBLY__ |
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struct task_struct; |
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/* |
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* We don't use read_sysreg() as we want the compiler to cache the value where |
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* possible. |
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*/ |
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static __always_inline struct task_struct *get_current(void) |
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{ |
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unsigned long sp_el0; |
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asm ("mrs %0, sp_el0" : "=r" (sp_el0)); |
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return (struct task_struct *)sp_el0; |
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} |
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#define current get_current() |
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#endif /* __ASSEMBLY__ */ |
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#endif /* __ASM_CURRENT_H */ |
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