On 06/09/2011 08:11 PM, Marcelo Tosatti wrote:
> > Applied and queued, but I think there is something rotten here. How > does arch.cr3 get into GUEST_CR3 after KVM_SET_SREGS? arch.cr3 is a > supposed to be write-through cache - it only has a bit in > regs_avail, not regs_dirty. KVM_SET_SREGS sets good kvm->arch.cr3. Then vmx_decache_cr3 overwrites kvm->arch.cr3 from GUEST_CR3, which is stale.
Right. Should have called kvm_set_cr3(). It's tricky since we need to set the order of writing various registers, I'll take a look.
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