32 lines
855 B
C
32 lines
855 B
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef _LINUX_MMU_CONTEXT_H
|
||
|
|
#define _LINUX_MMU_CONTEXT_H
|
||
|
|
|
||
|
|
#include <asm/mmu_context.h>
|
||
|
|
#include <asm/mmu.h>
|
||
|
|
|
||
|
|
/* Architectures that care about IRQ state in switch_mm can override this. */
|
||
|
|
#ifndef switch_mm_irqs_off
|
||
|
|
# define switch_mm_irqs_off switch_mm
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef leave_mm
|
||
|
|
static inline void leave_mm(int cpu) { }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CPUs that are capable of running user task @p. Must contain at least one
|
||
|
|
* active CPU. It is assumed that the kernel can run on all CPUs, so calling
|
||
|
|
* this for a kernel thread is pointless.
|
||
|
|
*
|
||
|
|
* By default, we assume a sane, homogeneous system.
|
||
|
|
*/
|
||
|
|
#ifndef task_cpu_possible_mask
|
||
|
|
# define task_cpu_possible_mask(p) cpu_possible_mask
|
||
|
|
# define task_cpu_possible(cpu, p) true
|
||
|
|
#else
|
||
|
|
# define task_cpu_possible(cpu, p) cpumask_test_cpu((cpu), task_cpu_possible_mask(p))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|