On 03/08/2011 04:20 PM, Gleb Natapov wrote:
On Tue, Mar 08, 2011 at 03:57:40PM +0200, Avi Kivity wrote: > We may read the cpl quite often in the same vmexit (instruction privilege > check, memory access checks for instruction and operands), so we gain > a bit if we cache the value. > Shouldn't VCPU_EXREG_CPL be cleared in vmx_set_efer too?
I anticipated that question (which really means that a comment is needed). Flipping EFER.LMA is done by flipping CR0.PG (and doesn't affect cpl. in any case).
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