>>> On 22.01.15 at 02:12, <chao.p.p...@linux.intel.com> wrote: > On Wed, Jan 21, 2015 at 11:28:34AM +0000, Jan Beulich wrote: >> >>> On 21.01.15 at 12:19, <chao.p.p...@linux.intel.com> wrote: >> > Changes from v4: >> > * Make the counter read and timestamp read atomic by disable IRQ; >> > * Treat MSR_IA32_TSC as a special case and return NOW() for read path; >> > * Add MBM description in xl command line. >> >> You should really have answered Andrew's question regarding the >> use of NOW() vs RDTSC before posting this new series. > > As I have adopted it so I agree with Andrew's suggestion. NOW() is much > fullfill my requirement. But perhaps not so semantic consistent with > MSR_IA32_TSC?
Exactly - I didn't look at the patch itself yet, but at the very least this would need to be very clearly documented in the public header. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel