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xen-ia64-devel

Re: [Xen-ia64-devel] Modify to introduce delayed p2m table destruction

To: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Subject: Re: [Xen-ia64-devel] Modify to introduce delayed p2m table destruction
From: Doi.Tsunehisa@xxxxxxxxxxxxxx
Date: Thu, 02 Nov 2006 19:55:53 +0900
Cc: xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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You (yamahata) said:
> Some comments.
> - Probably IA64 specific code paths assume that if the p2m conversion
>   gives valid mfn, then the page isn't free.
>   Your patch breaks it. I haven't check it though.

  In our investigation, the domain is paused at domain_kill phase, thus
it don't occur the issue, and x86 code had introduced same logic.

> - Why shadow prefix? it isn't related to shadow.

  In IA64 code, it doesn't have shadow page table, but it regards
that it has shadow mode, I think. Thus I adopted shadow prefix to
follow other arch.

Thanks,
- Tsunehisa Doi

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