Re: [PATCH 2/8] KVM: MMU: set the dirty bit for the upper shadowpage

[Xiao Guangrong]

On 01/09/2012 07:30 PM, Marcelo Tosatti wrote:

> On Fri, Dec 16, 2011 at 06:14:24PM +0800, Xiao Guangrong wrote:
>> Upper page do not need to be tracked the status bit, it is safe to set the
>> dirty and let cpu to happily prefetch it
>>
>> Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
>> ---
>>  arch/x86/kvm/mmu.c |   13 +++++--------
>>  1 files changed, 5 insertions(+), 8 deletions(-)
> 
> Dirty bit is ignored in non-leaf pagetable entries.
> 

Sorry, i forgot it!

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