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    SubjectRe: [PATCH v3] kvm: make vcpu life cycle separated from kvm instance
    On Mon, Dec 12, 2011 at 10:41:23AM +0800, Liu Ping Fan wrote:
    > From: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
    >
    > Currently, vcpu can be destructed only when kvm instance destroyed.
    > Change this to vcpu's destruction taken when its refcnt is zero,
    > and then vcpu MUST and CAN be destroyed before kvm's destroy.
    >
    > Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
    > ---
    > arch/x86/kvm/i8254.c | 10 ++++--
    > arch/x86/kvm/i8259.c | 12 +++++--
    > arch/x86/kvm/mmu.c | 7 ++--
    > arch/x86/kvm/x86.c | 54 +++++++++++++++++++----------------
    > include/linux/kvm_host.h | 71 ++++++++++++++++++++++++++++++++++++++++++----
    > virt/kvm/irq_comm.c | 7 +++-
    > virt/kvm/kvm_main.c | 62 +++++++++++++++++++++++++++++++++------
    > 7 files changed, 170 insertions(+), 53 deletions(-)

    This needs a full audit of paths that access vcpus. See for one example
    bsp_vcpu pointer.




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