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Re: [Qemu-devel] [RFC][PATCH 05/14 v9] Add API to get memory mapping


From: Wen Congyang
Subject: Re: [Qemu-devel] [RFC][PATCH 05/14 v9] Add API to get memory mapping
Date: Fri, 16 Mar 2012 14:59:59 +0800
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100413 Fedora/3.0.4-2.fc13 Thunderbird/3.0.4

At 03/16/2012 02:38 PM, HATAYAMA Daisuke Wrote:
> From: Wen Congyang <address@hidden>
> Subject: [RFC][PATCH 05/14 v9] Add API to get memory mapping
> Date: Wed, 14 Mar 2012 10:07:48 +0800
> 
>> Add API to get all virtual address and physical address mapping.
>> If the guest doesn't use paging, the virtual address is equal to the phyical
>> address. The virtual address and physical address mapping is for gdb's user, 
>> and
>> it does not include the memory that is not referenced by the page table. So 
>> if
>> you want to use crash to anaylze the vmcore, please do not specify -p option.
> 
> It's necessary to write the reason why the -p option is not default
> explicitly: guest machine in a catastrophic state can have corrupted
> memory, which we cannot trust.

Yes

Thanks
Wen Congyang

> 
> Thanks.
> HATAYAMA, Daisuke
> 
> 




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