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KVM: x86: switch kvm_set_memory_alias to SRCU update

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Using a similar two-step procedure as for memslots.

Signed-off-by: Marcelo Tosatti <[email protected]>
This commit is contained in:
Marcelo Tosatti 2009-12-23 14:35:23 -02:00
commit a983fb2387
4 changed files with 63 additions and 11 deletions
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4
virt/kvm/kvm_main.c
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@ -859,7 +859,7 @@ int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)
int i;
struct kvm_memslots *slots = rcu_dereference(kvm->memslots);
gfn = unalias_gfn(kvm, gfn);
gfn = unalias_gfn_instantiation(kvm, gfn);
for (i = 0; i < KVM_MEMORY_SLOTS; ++i) {
struct kvm_memory_slot *memslot = &slots->memslots[i];
@ -896,7 +896,7 @@ unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn)
{
struct kvm_memory_slot *slot;
gfn = unalias_gfn(kvm, gfn);
gfn = unalias_gfn_instantiation(kvm, gfn);
slot = gfn_to_memslot_unaliased(kvm, gfn);
if (!slot || slot->flags & KVM_MEMSLOT_INVALID)
return bad_hva();