On 09/12/2016 08:26 AM, Jan Beulich wrote: >>>> On 09.09.16 at 18:32, <joao.m.mart...@oracle.com> wrote: >> Would that sound reasonable - am I overlooking something? To some extent this >> might also applicable to the general case, although platform timer is now >> only >> used for initial seeding so probably a non-visible issue. > > Wouldn't it already help to simply make TSC a 62- or 63-bit counter, > masking off the high bit(s) during reads?
Yeap - That indeed would be the simplest solution, as we currently mask out the difference between stamps. Tested it and changed counter_bits to be 63 (amended in patch 2). Joao _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
