Re: [Xen-devel] [BUG] xenstat_vcpu_ns returns invalid value

[Richard Kojedzinszky <richard@xxxxxxxxx>]

2020-01-09 20:50 időpontban Andrew Cooper ezt írta:
> On 09/01/2020 19:40, Richard Kojedzinszky wrote:
> > Dear Xen Devs,
> >
> > commit 2529c850ea48f036727ca2f148caed89391311b8 introduces the
> > XEN_RUNSTATE_UPDATE marker bit, which is not handled in
> > vcpu_runstate_get() in xen/common/schedule.c. Relevant code:
> >
> >     delta = NOW() - runstate->state_entry_time;
> >     if ( delta > 0 )
> >         runstate->time[runstate->state] += delta;
> That was found and fixed a while ago.  c/s f28c4c4c10 "sched: don't let
> XEN_RUNSTATE_UPDATE leak into vcpu_runstate_get()".
>
> No changes in userspace should be necessary, although you might need to
> pester your distro for backports.
>
> ~Andrew
Hi,

Thanks for the quick reply,

Then, as it is just a leak, until a backport arrives to my distro, I can 
mask out that bit from the results with no other side-effects, am I 
right?
Regards,
Richard Kojedzinszky

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel