On 25/05/2017 11:40, Roman Kagan wrote:
+kvmclock_struct_pa = env->system_time_msr & ~1ULL;
+
if (!(env->system_time_msr & 1ULL)) {
/* KVM clock not active */
return 0;
>>> Roman.
>> Can't you avoid that call to each CPU? (ie fix the synchroniza
On Wed, May 24, 2017 at 02:20:05PM -0300, Marcelo Tosatti wrote:
> On Wed, May 24, 2017 at 06:54:09PM +0300, Roman Kagan wrote:
> > On Wed, May 24, 2017 at 05:07:24PM +0300, Denis Plotnikov wrote:
> > > Do an update of system_time_msr address every time before reading
> > > the value of tsc_timesta
On Wed, May 24, 2017 at 06:54:09PM +0300, Roman Kagan wrote:
> On Wed, May 24, 2017 at 05:07:24PM +0300, Denis Plotnikov wrote:
> > Do an update of system_time_msr address every time before reading
> > the value of tsc_timestamp from guest's kvmclock page.
> >
> > It should be done in a forcible m
On Wed, May 24, 2017 at 05:07:24PM +0300, Denis Plotnikov wrote:
> Do an update of system_time_msr address every time before reading
> the value of tsc_timestamp from guest's kvmclock page.
>
> It should be done in a forcible manner because there is a situation
> when system_time_msr has been set
