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Message-ID: <20111213113628.GB31138@amt.cnet> Date: Tue, 13 Dec 2011 09:36:28 -0200 From: Marcelo Tosatti <mtosatti@...hat.com> To: Liu Ping Fan <kernelfans@...il.com> Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, avi@...hat.com, aliguori@...ibm.com, gleb@...hat.com, jan.kiszka@....de Subject: Re: [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@...ux.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@...ux.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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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