On Thu, Jul 01, 2010 at 09:55:56PM +0800, Xiao Guangrong wrote:
> Combine guest pte read between guest pte walk and pte prefetch
>
> Signed-off-by: Xiao Guangrong <[email protected]>
> ---
> arch/x86/kvm/paging_tmpl.h | 48 ++++++++++++++++++++++++++++++-------------
> 1 files changed, 33 insertions(+), 15 deletions(-)
Can't do this, it can miss invlpg:
vcpu0 vcpu1
read guest ptes
modify guest pte
invlpg
instantiate stale
guest pte
See how the pte is reread inside fetch with mmu_lock held.
Otherwise the patchset looks fine to me.
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