KVM: fix cleanup_srcu_struct on vm destruction
cleanup_srcu_struct on VM destruction remains broken:
BUG: unable to handle kernel paging request at ffffffffffffffff
IP: [<ffffffff802533d2>] srcu_read_lock+0x16/0x21
RIP: 0010:[<ffffffff802533d2>] [<ffffffff802533d2>] srcu_read_lock+0x16/0x21
Call Trace:
[<ffffffffa05354c4>] kvm_arch_vcpu_uninit+0x1b/0x48 [kvm]
[<ffffffffa05339c6>] kvm_vcpu_uninit+0x9/0x15 [kvm]
[<ffffffffa0569f7d>] vmx_free_vcpu+0x7f/0x8f [kvm_intel]
[<ffffffffa05357b5>] kvm_arch_destroy_vm+0x78/0x111 [kvm]
[<ffffffffa053315b>] kvm_put_kvm+0xd4/0xfe [kvm]
Move it to kvm_arch_destroy_vm.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Reported-by: Jan Kiszka <jan.kiszka@siemens.com>
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 2c29116..51aedd7 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -137,6 +137,7 @@
{
kvmppc_free_vcpus(kvm);
kvm_free_physmem(kvm);
+ cleanup_srcu_struct(&kvm->srcu);
kfree(kvm);
}