include/asm/mmu_context.h

4  * This file is subject to the terms and conditions of the GNU General Public
26 #include <asm-generic/mm_hooks.h>
39 /* Note: This is also implemented with uasm in arch/mips/kvm/entry.c */
62  * to the current pgd for each processor. Also, the proc. id is stuffed
78  * The ginvt instruction will invalidate wired entries when its type field
80  * allow the kernel to create wired entries with the MMID of current->active_mm
81  * then those wired entries could be invalidated when we later use ginvt to
84  * In order to prevent ginvt from trashing wired entries, we reserve one MMID
85  * for use by the kernel when creating wired entries. This MMID will never be
98 	return ~(u64)(asid_mask | (asid_mask - 1));  in asid_version_mask()
109 		return atomic64_read(&mm->context.mmid);  in cpu_context()
111 	return mm->context.asid[cpu];  in cpu_context()
118 		atomic64_set(&mm->context.mmid, ctx);  in set_cpu_context()
120 		mm->context.asid[cpu] = ctx;  in set_cpu_context()
148 	mm->context.bd_emupage_allocmap = NULL;  in init_new_context()
149 	spin_lock_init(&mm->context.bd_emupage_lock);  in init_new_context()
150 	init_waitqueue_head(&mm->context.bd_emupage_queue);  in init_new_context()
166 	 * Mark current->active_mm as not "active" anymore.  in switch_mm()
177  * Destroy context related info for an mm_struct that is about
200 		/* no-op */  in drop_mmu_context()
204 		 * is pretty cheap using the GINVT instruction, so we'll do  in drop_mmu_context()
220 		 * mm is currently active, so we can't really drop it.  in drop_mmu_context()
235 #include <asm-generic/mmu_context.h>