RE: [PATCH] fix dirty_bit in xenivt.S (was Re: [Xen-ia64-devel] Fail tocreate VTI domain in lates Cset 10143)

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

>From: Isaku Yamahata
>Sent: 2006年5月24日 11:56
>
>On Wed, May 24, 2006 at 06:10:53AM +0800, You, Yongkang wrote:
>
>> Well, I found a lot of bad address reported from serial port, no matter
>creating VTI or XenU domain.
>> (XEN) vcpu_translate: bad physical address: 0xa00000010000a0a0
>
>Does the attached patch fix it?
>I saw the same message, so I tracked it down.
>However I couldn't reproduce reliably, I don't know this patch solves it.
>If you know the way to reproduce, could you tell us?
>
>--

Hi, Isaku,
        I'm interesting why your patch can fix potential issue here. Ideally 
XEN_HYPER_ITC_D is only the fast path which should have the same 
effect as GP fault caused by itc.d. If your patch really helps, that means 
the two paths (slow/fast) are incompatible which need to be solved, right?

Thanks,
Kevin

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