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Re: [Qemu-devel] Persistent Main Memory in QEmu

From: Li, Tianyou
Subject: Re: [Qemu-devel] Persistent Main Memory in QEmu
Date: Fri, 22 Apr 2016 15:52:33 +0000

Sure, that will be great! How about give me a few days so I can cleanup the 
code and provide a better workaround as patch for you all to review? 


-----Original Message-----
From: Artyom Tarasenko [mailto:address@hidden 
Sent: Friday, April 22, 2016 11:50 PM
To: Li, Tianyou <address@hidden>
Cc: Dr. David Alan Gilbert <address@hidden>; address@hidden; Stefan Hajnoczi 
Subject: Re: [Qemu-devel] Persistent Main Memory in QEmu

Hi  Tianyou,

On Fri, Apr 22, 2016 at 5:35 PM, Li, Tianyou <address@hidden> wrote:
> I found the mmap was invoked in qemu with option MAP_ANONYMOUS, which will 
> zero pages. After a simple workaround right now pc.ram region will keep its 
> content through reboot/shutdown.

Can you publish the workaround? I think it would be nice to implement a 
persistent RAM as a feature, specified by a command line switch.


Artyom Tarasenko

SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu

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