cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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current.h (517B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ASM_CURRENT_H
      3#define __ASM_CURRENT_H
      4
      5#include <linux/compiler.h>
      6
      7#ifndef __ASSEMBLY__
      8
      9struct task_struct;
     10
     11/*
     12 * We don't use read_sysreg() as we want the compiler to cache the value where
     13 * possible.
     14 */
     15static __always_inline struct task_struct *get_current(void)
     16{
     17	unsigned long sp_el0;
     18
     19	asm ("mrs %0, sp_el0" : "=r" (sp_el0));
     20
     21	return (struct task_struct *)sp_el0;
     22}
     23
     24#define current get_current()
     25
     26#endif /* __ASSEMBLY__ */
     27
     28#endif /* __ASM_CURRENT_H */
     29