[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] page->tlbflush_timestamp
>>> On 11.10.13 at 16:11, æåæ<topcoder9@xxxxxxxxx> wrote: > page->tlbflush_timestamp is used to filter and flush the TLB whenever > type change of page happens. But why does xen flush TLB upon the type > change? In order to guarantee that the guest won't use stale TLB entries to subvert the page type tracking. > And we already know that guest kernel will flush the TLB in order > to make the page table modifications take effect. A malicious guest might not. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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