/usr/src/linux-headers-5.15.0-181/arch/csky/include/asm
Edit: /usr/src/linux-headers-5.15.0-181/arch/csky/include/asm/mmu_context.h (959B)
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_CSKY_MMU_CONTEXT_H
#define __ASM_CSKY_MMU_CONTEXT_H
#include
#include
#include
#include
#include
#include
#include
#include
#define ASID_MASK ((1 << CONFIG_CPU_ASID_BITS) - 1)
#define cpu_asid(mm) (atomic64_read(&mm->context.asid) & ASID_MASK)
#define init_new_context(tsk,mm) ({ atomic64_set(&(mm)->context.asid, 0); 0; })
void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
static inline void
switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *tsk)
{
unsigned int cpu = smp_processor_id();
if (prev != next)
check_and_switch_context(next, cpu);
setup_pgd(next->pgd, next->context.asid.counter);
flush_icache_deferred(next);
}
#include
#endif /* __ASM_CSKY_MMU_CONTEXT_H */