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xen-ia64-devel
RE: [Xen-ia64-devel] [PATCH] XEN: fixed a vcpu_translate bug
Yes, it great!
I also confirm it.
Best Regards,
Akio Takebe
>Great! This patch can fix the two DomU creates issue.
>
>Thanks
>-Xiantao
>
>> -----Original Message-----
>> From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
>> [mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Xu,
>> Anthony
>> Sent: 2006ト\xF3ヤツ17ネユ 11:22
>> To: Xu, Anthony; xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>> Subject: RE: [Xen-ia64-devel] [PATCH] XEN: fixed a vcpu_translate bug
>>
>> Please desert the old one and use this new one
>>
>> Thanks,
>> -Anthony
>>
>> >-----Original Message-----
>> >From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
>> >[mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Xu,
>> Anthony
>> >Sent: 2006ト\xF3ヤツ17ネユ 10:17
>> >To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>> >Subject: [Xen-ia64-devel] [PATCH] XEN: fixed a vcpu_translate bug
>> >
>> >There are some below code segments in guest OS
>> >1. Rsm psr.dt
>> > ...
>> >2. itc.d r18
>> > ...
>> >3. rfi
>> >
>> >After executing instruction 1, domain is in metaphysical mode.
>> >When executing instruction 2, VMM gets control to emulate this
>> >instruction. Firstly VMM will try to get opcode, which may
>> >trigger a tlb miss. At this time domain is in metaphysical mode
>> >and the fault address is in region 5. vcpu_translate handles this
>> >as normal guest metaphysical mode.
>> >
>> >It's not correct; sometimes this will make dom0 hang.
>> >
>> >cpu_translate should handle this situation as if
>> >guest is not in metaphysical mode.
>> >
>> >
>> >
>> >Signed-off-by: Anthony Xu <anthony.xu@xxxxxxxxx>
>> >
>> >Thanks,
>> >-Anthony
>
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