KVM: move postcommit flush to x86, as mmio sptes are x86 specific

Other arches do not need this.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

v2: fix incorrect deletion of mmio sptes on gpa move (noticed by Takuya)
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index f41ea1262d5..4fe02d90081 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -849,13 +849,6 @@ int __kvm_set_memory_region(struct kvm *kvm,
 
         kvm_arch_commit_memory_region(kvm, mem, old, user_alloc);
 
-        /*
-         * If the new memory slot is created, we need to clear all
-         * mmio sptes.
-         */
-        if (npages && old.base_gfn != mem->guest_phys_addr >> PAGE_SHIFT)
-                kvm_arch_flush_shadow_all(kvm);
-
         kvm_free_physmem_slot(&old, &new);
         kfree(old_memslots);