>>> On 05.05.17 at 16:10, <jbeul...@suse.com> wrote: >>>> On 05.05.17 at 15:42, <boris.ostrov...@oracle.com> wrote: >>>>> Otoh there's not much to scrub yet until Dom0 had all its memory >>>>> allocated, and we know which pages truly remain free (wanting >>>>> what is currently the boot time scrubbing done on them). But that >>>>> point in time may still be earlier than when we switch to >>>>> SYS_STATE_active. >>> IOW I think boot scrubbing could be kicked off as soon as Dom0 >>> had the bulk of its memory allocated. >> >> Since we only are trying to avoid mapcache vcpu override can't we just >> scrub whenever override is NULL (per-cpu or not)? > > But how do you know? The variable should remain static in > domain_page.c, so I think we'd instead need a notification to > the scrubber when it gets set back to NULL.
And of course if the override variable was per-CPU, you wouldn't have a need to know, as you wouldn't try scrubbing on the CPU doing the Dom0 setup. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
