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[Xen-devel] question about shadow_blow_tables


  • To: "Tim Deegan" <Tim.Deegan@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
  • Date: Tue, 27 Nov 2007 10:49:19 +0800
  • Delivery-date: Mon, 26 Nov 2007 18:50:19 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcgwoBupR0PibXgkTQCcLqW2BHKuZg==
  • Thread-topic: question about shadow_blow_tables

I remembered that some portion of shadow table is per-domain property,
which
is why a domain shadow lock is used. Then at shadow_blow_tables, should
target domain be paused before blowing all tables in case some entries
are
still in use in guest context on other cpus for a SMP guest. Or some
delay
unhook mechanism is used to check above condition?

Thanks,
Kevin

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