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authorTakuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>2013-07-04 13:40:29 +0900
committerPaolo Bonzini <pbonzini@redhat.com>2013-07-18 12:29:25 +0200
commite59dbe09f8e6fb8f6ee19dc79d1a2f14299e4cd2 (patch)
tree0de53b1ec2901fd34fdaca56770f0757d9e660e1 /virt/kvm/kvm_main.c
parent85dfe87e24326c472454cc92313ba8c3b4efe53b (diff)
downloadlinux-linaro-stable-e59dbe09f8e6fb8f6ee19dc79d1a2f14299e4cd2.tar.gz
KVM: Introduce kvm_arch_memslots_updated()
This is called right after the memslots is updated, i.e. when the result of update_memslots() gets installed in install_new_memslots(). Since the memslots needs to be updated twice when we delete or move a memslot, kvm_arch_commit_memory_region() does not correspond to this exactly. In the following patch, x86 will use this new API to check if the mmio generation has reached its maximum value, in which case mmio sptes need to be flushed out. Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp> Acked-by: Alexander Graf <agraf@suse.de> Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt/kvm/kvm_main.c')
-rw-r--r--virt/kvm/kvm_main.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 71960fb03c2a..a86735d80ee0 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -731,7 +731,10 @@ static struct kvm_memslots *install_new_memslots(struct kvm *kvm,
update_memslots(slots, new, kvm->memslots->generation);
rcu_assign_pointer(kvm->memslots, slots);
synchronize_srcu_expedited(&kvm->srcu);
- return old_memslots;
+
+ kvm_arch_memslots_updated(kvm);
+
+ return old_memslots;
}
/*