| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __SPARC_MMU_CONTEXT_H |
| #define __SPARC_MMU_CONTEXT_H |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <asm-generic/mm_hooks.h> |
| |
| /* Initialize a new mmu context. This is invoked when a new |
| * address space instance (unique or shared) is instantiated. |
| */ |
| #define init_new_context init_new_context |
| int init_new_context(struct task_struct *tsk, struct mm_struct *mm); |
| |
| /* Destroy a dead context. This occurs when mmput drops the |
| * mm_users count to zero, the mmaps have been released, and |
| * all the page tables have been flushed. Our job is to destroy |
| * any remaining processor-specific state. |
| */ |
| #define destroy_context destroy_context |
| void destroy_context(struct mm_struct *mm); |
| |
| /* Switch the current MM context. */ |
| void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, |
| struct task_struct *tsk); |
| |
| /* Activate a new MM instance for the current task. */ |
| #define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL) |
| |
| #include <asm-generic/mmu_context.h> |
| |
| #endif /* !(__ASSEMBLY__) */ |
| |
| #endif /* !(__SPARC_MMU_CONTEXT_H) */ |
