Re: [PATCH v2 0/6] coroutine: new sleep/wake API

[Stefan Hajnoczi]

On Mon, May 17, 2021 at 12:05:42PM +0200, Paolo Bonzini wrote:
> This is a revamp of the qemu_co_sleep* API that makes it easier to
> extend the API: the state that is needed to wake up a coroutine is now
> part of the public API instead of hidden behind a pointer-to-pointer;
> the API is made more extensible by pushing the rest of QemuCoSleepState
> into local variables.
> 
> In the future, this will be extended to introduce a prepare/sleep/cancel
> API similar to Linux's prepare_to_wait/schedule/finish_wait functions.
> For now, this is just a nice refactoring.
> 
> Paolo
> 
> v1->v2: comment and commit message updates in patches 3, 5 and 6
> 
> Paolo Bonzini (6):
>   coroutine-sleep: use a stack-allocated timer
>   coroutine-sleep: disallow NULL QemuCoSleepState** argument
>   coroutine-sleep: allow qemu_co_sleep_wake that wakes nothing
>   coroutine-sleep: move timer out of QemuCoSleepState
>   coroutine-sleep: replace QemuCoSleepState pointer with struct in the
>     API
>   coroutine-sleep: introduce qemu_co_sleep
> 
>  block/block-copy.c          | 10 ++---
>  block/nbd.c                 | 14 +++----
>  include/qemu/coroutine.h    | 27 ++++++++-----
>  util/qemu-coroutine-sleep.c | 75 +++++++++++++++++++------------------
>  4 files changed, 64 insertions(+), 62 deletions(-)
> 
> -- 
> 2.31.1
> 

Thanks, applied to my block tree:
https://gitlab.com/stefanha/qemu/commits/block

Stefan

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