On 05/15/2012 03:31 PM, Christian Borntraeger wrote: > On 15/05/12 14:24, Avi Kivity wrote: > >> Newer systems allow to write-protect the guest backing memory > >> and let the fault be delivered to the host, thus allowing COW. > >> > >> Use a capability bit to tell qemu if that is possible. > >> > > > > Asking out of ignorance: who is doing the write protection here? The > > guest? If so, why is qemu involved? > > It is about the host doing write protection of guest/user memory (e.g. for > dirty pages tracking or KSM) Ok, so why does qemu^Wuserspace need to know about it? -- error compiling committee.c: too many arguments to function -- 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
