From f7784b8ec9b6a041fa828cfbe9012fe51933f5ac Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Wed, 23 Dec 2009 14:35:18 -0200 Subject: KVM: split kvm_arch_set_memory_region into prepare and commit Required for SRCU convertion later. Signed-off-by: Marcelo Tosatti --- virt/kvm/kvm_main.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) (limited to 'virt/kvm') diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 86dd8f3d29c9..c9f6cfe83120 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -663,6 +663,10 @@ skip_lpage: if (!npages) kvm_arch_flush_shadow(kvm); + r = kvm_arch_prepare_memory_region(kvm, &new, old, mem, user_alloc); + if (r) + goto out_free; + spin_lock(&kvm->mmu_lock); if (mem->slot >= kvm->memslots->nmemslots) kvm->memslots->nmemslots = mem->slot + 1; @@ -670,13 +674,7 @@ skip_lpage: *memslot = new; spin_unlock(&kvm->mmu_lock); - r = kvm_arch_set_memory_region(kvm, mem, old, user_alloc); - if (r) { - spin_lock(&kvm->mmu_lock); - *memslot = old; - spin_unlock(&kvm->mmu_lock); - goto out_free; - } + kvm_arch_commit_memory_region(kvm, mem, old, user_alloc); kvm_free_physmem_slot(&old, npages ? &new : NULL); /* Slot deletion case: we have to update the current slot */ -- cgit v1.2.3