Re: [Qemu-devel] [PATCH v3 0/2] dataplane: add query-iothreads QMP command

[Luiz Capitulino <lcapitulino@redhat.com>]

On Thu, 27 Feb 2014 11:48:40 +0100
Stefan Hajnoczi <stefanha@redhat.com> wrote:

> v3:
>  * Loop until predicate is true to handle pthread_cond spurious wakeups [eblake]
>  * Fix additional instances of "thread_id" [eblake]
> 
> v2:
>  * Use "thread-id" instead of "thread_id" in QAPI [eblake]
>  * Avoid mutex unlock/destroy race between threads [pbonzini]
> 
> This series applies on top of "[PATCH v4 0/6] dataplane: switch to N:M
> devices-per-thread model".

What's the merge plan for both series? IMO, they should go in through the
block layer tree. As far as the QMP interface is concerned, Eric's review is
all you need.

> 
> The new "query-iothreads" command allows QMP clients to fetch the thread IDs
> for dataplane threads.  This will allow libvirt and friends to bind dataplane
> threads.
> 
> The approach is similar to "query-cpus" which is also used for vcpu thread
> binding (among other things).
> 
> Stefan Hajnoczi (2):
>   iothread: stash thread ID away
>   qmp: add query-iothreads command
> 
>  iothread.c       | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  qapi-schema.json | 29 ++++++++++++++++++++++++++++
>  qmp-commands.hx  | 39 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 126 insertions(+)
>