Re: [Qemu-devel] [kata-dev] [ANNOUNCE] virtio-fs v0.3 release

2019-08-20 Thread Peng Tao
On 2019/8/20 16:09, Dr. David Alan Gilbert wrote: * Peng Tao (tao.p...@linux.alibaba.com) wrote: On 2019/8/20 00:04, Stefan Hajnoczi wrote: I am delighted to announce the release of virtio-fs v0.3, a shared file system that lets virtual machines access a directory tree on the host. This

Re: [Qemu-devel] [kata-dev] [ANNOUNCE] virtio-fs v0.3 release

2019-08-19 Thread Peng Tao
wing people for contributing code and to many more for helping the virtio-fs effort: Dr. David Alan Gilbert Eric Ren Eryu Guan Ganesh Maharaj Mahalingam Jiufei Xue Liu Bo Masayoshi Mizuma Miklos Szeredi Peng Tao piaojun Sebastien Boeuf Stefan Hajnoczi Vivek Goyal

Re: [Qemu-devel] [PATCH] migration: allow private destination ram with x-ignore-shared

2019-06-13 Thread Peng Tao
On 2019/6/14 14:35, Peng Tao wrote: By removing the share ram check, qemu is able to migrate to private destination ram when x-ignore-shared capability is on. Then we can create multiple destination VMs based on the same source VM. This changes the x-ignore-shared migration capability to

[Qemu-devel] [PATCH] migration: allow private destination ram with x-ignore-shared

2019-06-13 Thread Peng Tao
3 and 4 Cc: Dr. David Alan Gilbert Cc: Yury Kotov Cc: Jiangshan Lai Cc: Xu Wang Signed-off-by: Peng Tao --- migration/ram.c | 7 --- 1 file changed, 7 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index 1ca9ba7..cdb82a3 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -

Re: [Qemu-devel] [PATCH] migration: add capability to bypass the shared memory

2018-07-12 Thread Peng Tao
Hi Stefan, On Tue, Jul 10, 2018 at 9:40 PM, Stefan Hajnoczi wrote: > Two things come to mind: > > At that point both guest kernel and agent address-space layout > randomization (ASLR) is finished. ALSR makes it harder for memory > corruption bugs to lead to real exploits because the attacker doe

Re: [Qemu-devel] [PATCH] migration: add capability to bypass the shared memory

2018-07-03 Thread Peng Tao
On Tue, Jul 3, 2018 at 6:05 PM, Stefan Hajnoczi wrote: > On Mon, Jul 02, 2018 at 09:52:08PM +0800, Peng Tao wrote: >> On Mon, Jul 2, 2018 at 9:10 PM, Stefan Hajnoczi wrote: >> > On Sat, Mar 31, 2018 at 04:45:00PM +0800, Lai Jiangshan wrote: >> > Risks: >> > 1

Re: [Qemu-devel] [PATCH] migration: add capability to bypass the shared memory

2018-07-02 Thread Peng Tao
On Tue, Jul 3, 2018 at 6:15 AM, Andrea Arcangeli wrote: > Hello, > > On Mon, Jul 02, 2018 at 09:52:08PM +0800, Peng Tao wrote: >> I think we can write some host generated random seeds to guest's >> urandom device, when cloning VMs from the same template before handing &g

Re: [Qemu-devel] [PATCH] migration: add capability to bypass the shared memory

2018-07-02 Thread Peng Tao
On Mon, Jul 2, 2018 at 9:10 PM, Stefan Hajnoczi wrote: > On Sat, Mar 31, 2018 at 04:45:00PM +0800, Lai Jiangshan wrote: >> a) feature: qemu-local-migration, qemu-live-update >> Set the mem-path on the tmpfs and set share=on for it when >> start the vm. example: >> -object \ >> memory-backend-file,