[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [Patch 4/4] x86/hpet: Don't clear reserved bits in the General Configuration Register
>>> On 07.10.13 at 15:26, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote: > It is a violation of the specification. > > The reserved bits in the General Configuration Register, unlike all other > reserved bits I have found in the spec, are specified as 'must never be > changed by the OS'. Mind pointing out where exactly you found this? I only find the usual "should not modify" statements, and it is really unclear whether leaving the bits alone is more compatible than clearing them (since a bit of unknown function being set may easily mean the HPET behaves in a way we don't expect). Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |