On 13.08.2016 18:47, Mika Penttilä wrote: > On 13.08.2016 17:38, Mika Penttilä wrote: > >> Hi, >> >> While studying the vmx code, and the shadow page tables usage (no ept involved), >> I wondered the GUEST_CR3 usage. If no ept, GUEST_CR3 points to the shadow tables. >> But the format of sptes is always 64 bit. How is that with 32 bit hosts, is the GUEST_CR3 >> similar to EPT format, 4 level 64 bit always or how is this working on 32 bit? >> >> Thanks, >> Mika >> > Hmm seems non PAE 32 bit host without ept enabled is not supported combination, right ? > > --Mika > > Ping, am I correct that for using shadow mmu with x86 kvm host you need at least 32bit PAE enabled host (because shadow ptes are always 64 bit, in PAE or long format)? --Mika -- 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