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Re: [Xen-devel] [RFC v2 8/9] HACK libxl_exec: Check QEMU status via QMP instead of xenstore

On Mon, Apr 16, 2018 at 06:32:26PM +0100, Anthony PERARD wrote:
> -add-fd, to create a fdset which is use later.
> -chardev 'file,path=/dev/fdset/1,append=true', this open a char device
> on the write-end of the pipe, tell qemu that the FD is write-only, and
> not to run truncate on it.
> -mon, just start the QMP server on this new chardev.

There might be a better way than this. But the new way only exist in
2.12, and is not documented... (in --help).

With QEMU commit 0935700f8544033ebbd41e1f13cd528f8a58d24d (char: allow
passing pre-opened socket file descriptor at startup).

Anthony PERARD

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