Release 4.14 arch/arm64/include/asm/current.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_CURRENT_H

#define __ASM_CURRENT_H

#include <linux/compiler.h>

#ifndef __ASSEMBLY__

struct task_struct;

/*
 * We don't use read_sysreg() as we want the compiler to cache the value where
 * possible.
 */

static __always_inline struct task_struct *get_current(void)
{
	unsigned long sp_el0;

	asm ("mrs %0, sp_el0" : "=r" (sp_el0));

	return (struct task_struct *)sp_el0;
}


#define current get_current()

#endif /* __ASSEMBLY__ */

#endif /* __ASM_CURRENT_H */

Overall Contributors
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Mark Rutland
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Greg Kroah-Hartman
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3
100.00%
Directory: arch/arm64/include/asm

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