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KVM: Drop "const" attribute from old memslot in commit_memory_region()

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Drop the "const" attribute from @old in kvm_arch_commit_memory_region()
to allow arch specific code to free arch specific resources in the old
memslot without having to cast away the attribute.  Freeing resources in
kvm_arch_commit_memory_region() paves the way for simplifying
kvm_free_memslot() by eliminating the last usage of its @dont param.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2020-02-18 13:07:24 -08:00 committed by Paolo Bonzini
parent cf47f50b5c
commit 9d4c197c0e
7 changed files with 7 additions and 7 deletions
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2
arch/mips/kvm/mips.c
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@ -224,7 +224,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
void kvm_arch_commit_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
{

2
arch/powerpc/kvm/powerpc.c
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@ -701,7 +701,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
void kvm_arch_commit_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
{

2
arch/s390/kvm/kvm-s390.c
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@ -4532,7 +4532,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
void kvm_arch_commit_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
{

2
arch/x86/kvm/x86.c
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@ -10024,7 +10024,7 @@ static void kvm_mmu_slot_apply_flags(struct kvm *kvm,
void kvm_arch_commit_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
{

2
include/linux/kvm_host.h
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@ -678,7 +678,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
enum kvm_mr_change change);
void kvm_arch_commit_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change);
bool kvm_largepages_enabled(void);

2
virt/kvm/arm/mmu.c
View File

@ -2251,7 +2251,7 @@ out:
void kvm_arch_commit_memory_region(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *old,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
{

2
virt/kvm/kvm_main.c
View File

@ -985,7 +985,7 @@ static struct kvm_memslots *install_new_memslots(struct kvm *kvm,
static int kvm_set_memslot(struct kvm *kvm,
const struct kvm_userspace_memory_region *mem,
const struct kvm_memory_slot *old,
struct kvm_memory_slot *old,
struct kvm_memory_slot *new, int as_id,
enum kvm_mr_change change)
{