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From: Wen Congyang <wency@cn.fujitsu.com>
To: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
Cc: jan.kiszka@siemens.com, anderson@redhat.com,
	qemu-devel@nongnu.org, eblake@redhat.com, lcapitulino@redhat.com
Subject: Re: [Qemu-devel] [RFC][PATCH 05/14 v9] Add API to get memory mapping
Date: Fri, 16 Mar 2012 14:59:59 +0800	[thread overview]
Message-ID: <4F62E4EF.7090907@cn.fujitsu.com> (raw)
In-Reply-To: <20120316.153838.488343690.d.hatayama@jp.fujitsu.com>

At 03/16/2012 02:38 PM, HATAYAMA Daisuke Wrote:
> From: Wen Congyang <wency@cn.fujitsu.com>
> 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
> 
> 

  reply	other threads:[~2012-03-16  6:58 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-14  2:03 [Qemu-devel] [RFC][PATCH 00/14 v9] introducing a new, dedicated memory dump mechanism Wen Congyang
2012-03-14  2:05 ` [Qemu-devel] [RFC][PATCH 01/14 v9] Add API to create memory mapping list Wen Congyang
2012-03-14  2:06 ` [Qemu-devel] [RFC][PATCH 02/14 v9] Add API to check whether a physical address is I/O address Wen Congyang
2012-03-14  9:18   ` [Qemu-devel] [RESEND][PATCH " Wen Congyang
2012-03-14  2:06 ` [Qemu-devel] [RFC][PATCH 03/14 v9] implement cpu_get_memory_mapping() Wen Congyang
2012-03-14  2:07 ` [Qemu-devel] [RFC][PATCH 04/14 v9] Add API to check whether paging mode is enabled Wen Congyang
2012-03-14  2:07 ` [Qemu-devel] [RFC][PATCH 05/14 v9] Add API to get memory mapping Wen Congyang
2012-03-16  3:52   ` HATAYAMA Daisuke
2012-03-16  6:50     ` Wen Congyang
2012-03-16  6:38   ` HATAYAMA Daisuke
2012-03-16  6:59     ` Wen Congyang [this message]
2012-03-14  2:08 ` [Qemu-devel] [RFC][PATCH 06/14 v9] Add API to get memory mapping without do paging Wen Congyang
2012-03-14  2:08 ` [Qemu-devel] [RFC][PATCH 07/14 v9] target-i386: Add API to write elf notes to core file Wen Congyang
2012-03-16  1:17   ` HATAYAMA Daisuke
2012-03-14  2:09 ` [Qemu-devel] [RFC][PATCH 08/14 v9] target-i386: Add API to write cpu status " Wen Congyang
2012-03-16  1:48   ` HATAYAMA Daisuke
2012-03-16  6:50     ` Wen Congyang
2012-03-19  1:09       ` HATAYAMA Daisuke
2012-03-14  2:09 ` [Qemu-devel] [RFC][PATCH 09/14 v9] target-i386: add API to get dump info Wen Congyang
2012-03-14  2:10 ` [Qemu-devel] [RFC][PATCH 10/14 v9] make gdb_id() generally avialable Wen Congyang
2012-03-14  2:11 ` [Qemu-devel] [RFC][PATCH 11/14 v9] introduce a new monitor command 'dump' to dump guest's memory Wen Congyang
2012-03-14 17:18   ` Luiz Capitulino
2012-03-15  2:29     ` Wen Congyang
2012-03-15 14:25     ` Luiz Capitulino
2012-03-16 10:13     ` Wen Congyang
2012-03-19  2:28     ` Wen Congyang
2012-03-19  8:31       ` Wen Congyang
2012-03-19 13:16       ` Luiz Capitulino
2012-03-16  3:23   ` HATAYAMA Daisuke
2012-03-16  6:41     ` Wen Congyang
2012-03-14  2:12 ` [Qemu-devel] [RFC][PATCH 12/14 v9] support to cancel the current dumping Wen Congyang
2012-03-14 17:19   ` Luiz Capitulino
2012-03-14  2:13 ` [Qemu-devel] [RFC][PATCH 13/14 v9] support to query dumping status Wen Congyang
2012-03-14 17:19   ` Luiz Capitulino
2012-03-14  2:13 ` [Qemu-devel] [RFC][PATCH 14/14 v9] allow user to dump a fraction of the memory Wen Congyang
2012-03-14 17:20   ` Luiz Capitulino
2012-03-14 17:26 ` [Qemu-devel] [RFC][PATCH 00/14 v9] introducing a new, dedicated memory dump mechanism Luiz Capitulino
2012-03-14 17:37   ` Eric Blake
2012-03-14 17:49   ` Anthony Liguori
2012-03-14 18:03     ` Luiz Capitulino

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