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

, Tianyou <tianyou...@intel.com> Cc: Dr. David Alan Gilbert <dgilb...@redhat.com>; qemu-devel@nongnu.org; Stefan Hajnoczi <stefa...@gmail.com> Subject: Re: [Qemu-devel] Persistent Main Memory in QEmu Hi Tianyou, On Fri, Apr 22, 2016 at 5:35 PM, Li, Tianyou <tianyou...@intel.

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

Hi Tianyou, On Fri, Apr 22, 2016 at 5:35 PM, Li, Tianyou 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

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

: Friday, April 22, 2016 11:09 AM To: Dr. David Alan Gilbert <dgilb...@redhat.com> Cc: Artyom Tarasenko <atar4q...@gmail.com>; qemu-devel@nongnu.org Subject: RE: [Qemu-devel] Persistent Main Memory in QEmu > I wonder if QEMU or the guest (BIOS? Kernel?) is zeroing the memory ? For

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

- From: Dr. David Alan Gilbert [mailto:dgilb...@redhat.com] Sent: Thursday, April 21, 2016 6:52 PM To: Li, Tianyou <tianyou...@intel.com> Cc: Artyom Tarasenko <atar4q...@gmail.com>; qemu-devel@nongnu.org Subject: Re: [Qemu-devel] Persistent Main Memory in QEmu * Li, Tianyou (tianyou..

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

e more details or give me some hints? Thanks. I wonder if QEMU or the guest (BIOS? Kernel?) is zeroing the memory ? For normal memory I'd expect it to zero it. Dave > > > Regards, > Tianyou > > -Original Message- > From: Li, Tianyou > Sent: Tuesday, April 19,

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

qemu-devel@nongnu.org Subject: RE: [Qemu-devel] Persistent Main Memory in QEmu Hi Artyom, Thanks for your pointer! I have tried the -mem-path option, and right now looking into the code to see if the content of the file will be used during the guest Linux running next time. Will let you know t

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

-Original Message- > From: Dr. David Alan Gilbert [mailto:dgilb...@redhat.com] > Sent: Wednesday, April 20, 2016 4:36 PM > To: Li, Tianyou <tianyou...@intel.com> > Cc: qemu-devel@nongnu.org > Subject: Re: [Qemu-devel] Persistent Main Memory in QEmu > > * Li, Tianyo

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

nongnu.org Subject: Re: [Qemu-devel] Persistent Main Memory in QEmu * Li, Tianyou (tianyou...@intel.com) wrote: > Hi, > > Currently we are trying to implement below functionalities in QEmu: main > memory in guest can be logically viewed as persistent and its content can be > surviv

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

* Li, Tianyou (tianyou...@intel.com) wrote: > Hi, > > Currently we are trying to implement below functionalities in QEmu: main > memory in guest can be logically viewed as persistent and its content can be > survived through reboot or shutdown/powerup. > > I have looked into the QEmu memory

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

, 2016 4:20 AM To: Li, Tianyou <tianyou...@intel.com> Cc: qemu-devel@nongnu.org Subject: Re: [Qemu-devel] Persistent Main Memory in QEmu Hi Tianyou, On Mon, Apr 18, 2016 at 5:50 AM, Li, Tianyou <tianyou...@intel.com> wrote: > Currently we are trying to implement below functionalities i

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

Hi Tianyou, On Mon, Apr 18, 2016 at 5:50 AM, Li, Tianyou wrote: > Currently we are trying to implement below functionalities in QEmu: main > memory in guest can be logically viewed as persistent and its content can be > survived through reboot or shutdown/powerup. > > I

[Qemu-devel] Persistent Main Memory in QEmu

Hi, Currently we are trying to implement below functionalities in QEmu: main memory in guest can be logically viewed as persistent and its content can be survived through reboot or shutdown/powerup. I have looked into the QEmu memory management code include memory.c, exec.c and other related