Re: [Xen-ia64-devel] [PATCH] Don't share privregs with hvm domain

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On Mon, 2007-10-22 at 16:36 +0900, Isaku Yamahata wrote:
> Don't share privregs with hvm domain and twist IA64 xen dump core format
> slightly.
> Xen shares privregs pages with IA64 HVM domain for xm dump-core to dump
> the pages.
> However sharing the page allows hvm guest domain peek/destroy the page
> contents that might cause xen crash.
> And the xen dump core file doesn't need privregs page because cpu context
> should be obtained from vcpu context in case of IA64 HVM domain.
> 
> Although this patch modify xen dump core format, current crash utility
> (at least crash 4.0-4.7) doesn't look into .xen_ia64_mmapped_regs section
> and I don't know any other tools to understand xen dump core file.
> So this format modification doesn't cause incompatibility issue.

   Applied.  Thanks,

	Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.

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