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KVM: split kvm_arch_set_memory_region into prepare and commit

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Required for SRCU convertion later.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Marcelo Tosatti
2009-12-23 14:35:18 -02:00
parent fef9cce0eb
commit f7784b8ec9
6 changed files with 82 additions and 47 deletions
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16
arch/ia64/kvm/kvm-ia64.c
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@ -1578,15 +1578,15 @@ out:
return r;
}
int kvm_arch_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
int kvm_arch_prepare_memory_region(struct kvm *kvm,
struct kvm_memory_slot *memslot,
struct kvm_memory_slot old,
struct kvm_userspace_memory_region *mem,
int user_alloc)
{
unsigned long i;
unsigned long pfn;
int npages = mem->memory_size >> PAGE_SHIFT;
struct kvm_memory_slot *memslot = &kvm->memslots[mem->slot];
int npages = memslot->npages;
unsigned long base_gfn = memslot->base_gfn;
if (base_gfn + npages > (KVM_MAX_MEM_SIZE >> PAGE_SHIFT))
@ -1610,6 +1610,14 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
return 0;
}
void kvm_arch_commit_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot old,
int user_alloc)
{
return;
}
void kvm_arch_flush_shadow(struct kvm *kvm)
{
kvm_flush_remote_tlbs(kvm);