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Re: [Qemu-devel] [PATCH v2 0/3] fix bug about balloon working incorrectl
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/3] fix bug about balloon working incorrectly when hotplug memeory |
Date: |
Mon, 17 Nov 2014 08:07:59 +0200 |
On Mon, Nov 17, 2014 at 01:11:07PM +0800, zhanghailiang wrote:
> Hi,
>
> Patch 1 and 2 mainly fix bug about balloon not working correctly when we do
> hotplug memory. It takes 'ram_size' as VM's real RAM size which is wrong
> after we hotplug memory.
>
> This bug exists since we begin to support hotplug memory, and it is better
> to fix it.
>
> Patch 3 add some trace events, it helps debugging balloon. If it is
> unnecessary,
> pls feel free to remove it.
>
> Thanks,
> zhanghailiang
OK but what about other devices that access ram_size?
Are they also broken?
> v2:
> - fix compiling break for other targets that don't support pc-dimm
>
> zhanghailiang (3):
> pc-dimm: add a function to calculate VM's current RAM size
> virtio-balloon: Fix balloon not working correctly when hotplug memory
> virtio-balloon: Add some trace events
>
> hw/mem/pc-dimm.c | 26 ++++++++++++++++++++++++++
> hw/virtio/virtio-balloon.c | 21 +++++++++++++++------
> include/exec/cpu-common.h | 1 +
> stubs/qmp_pc_dimm_device_list.c | 5 +++++
> trace-events | 4 ++++
> 5 files changed, 51 insertions(+), 6 deletions(-)
>
> --
> 1.7.12.4
>
- [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, (continued)
- [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, zhanghailiang, 2014/11/17
- Re: [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, Igor Mammedov, 2014/11/19
- Re: [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, Michael S. Tsirkin, 2014/11/19
- Re: [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, Luiz Capitulino, 2014/11/19
- Re: [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, Eric Blake, 2014/11/19
- Re: [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, Michael S. Tsirkin, 2014/11/19
- Re: [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, Eric Blake, 2014/11/19
- Re: [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, zhanghailiang, 2014/11/19
- Re: [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, Michael S. Tsirkin, 2014/11/20
- Re: [Qemu-devel] [PATCH v2 1/3] pc-dimm: add a function to calculate VM's current RAM size, zhanghailiang, 2014/11/19
Re: [Qemu-devel] [PATCH v2 0/3] fix bug about balloon working incorrectly when hotplug memeory,
Michael S. Tsirkin <=
Re: [Qemu-devel] [PATCH v2 0/3] fix bug about balloon working incorrectly when hotplug memeory, Michael S. Tsirkin, 2014/11/17
Re: [Qemu-devel] [PATCH v2 0/3] fix bug about balloon working incorrectly when hotplug memeory, zhanghailiang, 2014/11/19