| mmu.c (6a99c6e3f52a6f0d4c6ebcfa7359c718a19ffbe6) | mmu.c (a54d806688fe1e482350ce759a8a0fc9ebf814b0) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (C) 2012 - Virtual Open Systems and Columbia University 4 * Author: Christoffer Dall <c.dall@virtualopensystems.com> 5 */ 6 7#include <linux/mman.h> 8#include <linux/kvm_host.h> --- 196 unchanged lines hidden (view full) --- 205 * 206 * Go through the stage 2 page tables and invalidate any cache lines 207 * backing memory already mapped to the VM. 208 */ 209static void stage2_flush_vm(struct kvm *kvm) 210{ 211 struct kvm_memslots *slots; 212 struct kvm_memory_slot *memslot; | 1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Copyright (C) 2012 - Virtual Open Systems and Columbia University 4 * Author: Christoffer Dall <c.dall@virtualopensystems.com> 5 */ 6 7#include <linux/mman.h> 8#include <linux/kvm_host.h> --- 196 unchanged lines hidden (view full) --- 205 * 206 * Go through the stage 2 page tables and invalidate any cache lines 207 * backing memory already mapped to the VM. 208 */ 209static void stage2_flush_vm(struct kvm *kvm) 210{ 211 struct kvm_memslots *slots; 212 struct kvm_memory_slot *memslot; |
| 213 int idx; | 213 int idx, bkt; |
| 214 215 idx = srcu_read_lock(&kvm->srcu); 216 spin_lock(&kvm->mmu_lock); 217 218 slots = kvm_memslots(kvm); | 214 215 idx = srcu_read_lock(&kvm->srcu); 216 spin_lock(&kvm->mmu_lock); 217 218 slots = kvm_memslots(kvm); |
| 219 kvm_for_each_memslot(memslot, slots) | 219 kvm_for_each_memslot(memslot, bkt, slots) |
| 220 stage2_flush_memslot(kvm, memslot); 221 222 spin_unlock(&kvm->mmu_lock); 223 srcu_read_unlock(&kvm->srcu, idx); 224} 225 226/** 227 * free_hyp_pgds - free Hyp-mode page tables --- 362 unchanged lines hidden (view full) --- 590 * 591 * Go through the memregions and unmap any regular RAM 592 * backing memory already mapped to the VM. 593 */ 594void stage2_unmap_vm(struct kvm *kvm) 595{ 596 struct kvm_memslots *slots; 597 struct kvm_memory_slot *memslot; | 220 stage2_flush_memslot(kvm, memslot); 221 222 spin_unlock(&kvm->mmu_lock); 223 srcu_read_unlock(&kvm->srcu, idx); 224} 225 226/** 227 * free_hyp_pgds - free Hyp-mode page tables --- 362 unchanged lines hidden (view full) --- 590 * 591 * Go through the memregions and unmap any regular RAM 592 * backing memory already mapped to the VM. 593 */ 594void stage2_unmap_vm(struct kvm *kvm) 595{ 596 struct kvm_memslots *slots; 597 struct kvm_memory_slot *memslot; |
| 598 int idx; | 598 int idx, bkt; |
| 599 600 idx = srcu_read_lock(&kvm->srcu); 601 mmap_read_lock(current->mm); 602 spin_lock(&kvm->mmu_lock); 603 604 slots = kvm_memslots(kvm); | 599 600 idx = srcu_read_lock(&kvm->srcu); 601 mmap_read_lock(current->mm); 602 spin_lock(&kvm->mmu_lock); 603 604 slots = kvm_memslots(kvm); |
| 605 kvm_for_each_memslot(memslot, slots) | 605 kvm_for_each_memslot(memslot, bkt, slots) |
| 606 stage2_unmap_memslot(kvm, memslot); 607 608 spin_unlock(&kvm->mmu_lock); 609 mmap_read_unlock(current->mm); 610 srcu_read_unlock(&kvm->srcu, idx); 611} 612 613void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu) --- 1029 unchanged lines hidden --- | 606 stage2_unmap_memslot(kvm, memslot); 607 608 spin_unlock(&kvm->mmu_lock); 609 mmap_read_unlock(current->mm); 610 srcu_read_unlock(&kvm->srcu, idx); 611} 612 613void kvm_free_stage2_pgd(struct kvm_s2_mmu *mmu) --- 1029 unchanged lines hidden --- |