On Wed, Nov 28, 2012 at 08:54:14PM +0800, Xiao Guangrong wrote: > vmcs->cpu indicates whether it exists on the target cpu, -1 means the vmcs > does not exist on any vcpu > > If vcpu load vmcs with vmcs.cpu = -1, it can be directly added to cpu's percpu > list. The list can be corrupted if the cpu prefetch the vmcs's list before > reading vmcs->cpu. Meanwhile, we should remove vmcs from the list before > making vmcs->vcpu == -1 be visible > > Signed-off-by: Xiao Guangrong <xiaoguangr...@linux.vnet.ibm.com> > --- > arch/x86/kvm/vmx.c | 17 +++++++++++++++++ > 1 files changed, 17 insertions(+), 0 deletions(-)
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