Re: [Qemu-devel] [Qemu-block] [PATCH 0/2] coroutine: Assertions and debugging aids

[Stefan Hajnoczi]

On Thu, Aug 11, 2016 at 06:22:20PM +0200, Kevin Wolf wrote:
> A while ago we were debugging a hang where coroutines were waiting for a mutex
> to be unlocked, but we couldn't find out who held the lock. This series adds
> some information to Coroutine and CoMutex that both allows to add a few
> assertions to check locking behaviour and can be used to find the culprit when
> analysing a core dump.
> 
> Kevin Wolf (2):
>   coroutine: Let CoMutex remember who holds it
>   coroutine: Assert that no locks are held on termination
> 
>  include/qemu/coroutine.h     |  1 +
>  include/qemu/coroutine_int.h |  1 +
>  util/qemu-coroutine-lock.c   | 14 ++++++++++++++
>  util/qemu-coroutine.c        |  1 +
>  4 files changed, 17 insertions(+)
> 
> -- 
> 1.8.3.1
> 
> 

Reviewed-by: Stefan Hajnoczi <address@hidden>

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