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RE: [Xen-ia64-devel] [PATCH] translate_domain_pte must handle ED bit


  • To: "Isaku Yamahata" <yamahata@xxxxxxxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
  • Date: Mon, 20 Feb 2006 22:54:41 +0800
  • Delivery-date: Mon, 20 Feb 2006 15:07:40 +0000
  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
  • Thread-index: AcY1+Edw9KoSifgAQZWWuQI/P30jiAAM+aeQ
  • Thread-topic: [Xen-ia64-devel] [PATCH] translate_domain_pte must handle ED bit

>From: Isaku Yamahata
>Sent: 2006年2月20日 16:32
>
>translate_domain_pte() must handle ED bit explicitly.
>This case can occur because of vcpu_itc_d().
>
>--
>Yamahata

Seems a bug, however do you know why it only jumps out now? Seems PAGE_ED is 
likely on in lookup_domain_mpa...

BTW, bit[53-63] are ignored bits per 4.1.1.5 of SDM2, and then you can just 
ignore them instead of BUG there. ;-)

Thanks,
Kevin

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