On 06/12/2012 07:32 AM, Marcelo Tosatti wrote: > On Tue, May 29, 2012 at 02:49:14PM +0800, Xiao Guangrong wrote: >> This bit indicates whether the spte can be writable on MMU, that means >> the corresponding gpte is writable and the corresponding gfn is not >> protected by shadow page protection > > Why is this still necessary, now that only sptes of direct shadow pages > are updated locklessly? > Yes, but it is still needed, for nested npt/ept, we need protect the nested page tables. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
