On 08/06/2015 17:22, Michael S. Tsirkin wrote: > On Mon, Jun 08, 2015 at 05:17:31PM +0200, Paolo Bonzini wrote: >> >> >> On 08/06/2015 17:01, Michael S. Tsirkin wrote: >>> Are there applications that would actually use this? For microsoft this >>> seems to be mostly driven by ActiveDirectory needs. >>> It seems quite possible that applications solve the problem >>> differently on Linux. >> >> I'm not aware of a different solution to the problem on Linux. > > Adding it by default for everyone still seems too aggressive. > We had a ton of pain with pvpanic exactly because of a > similar "can't hurt" approach.
The ton of pain was due to enabling it in ACPI unconditionally. We can leave it disabled in the UUID is all zeroes, for example. Paolo > I think a better approach would be to merge the code in qemu, > merge a linux driver. Once that's available, and some apps use it, > enabling it by default will seem more reasonable. >
