On 17/03/21 11:40, David Edmondson wrote:
Isn't this...
* ... Also, @qemu_co_rwlock_upgrade
* only overrides CoRwlock fairness if there are no concurrent readers, so
* another writer might run while @qemu_co_rwlock_upgrade blocks.
...now incorrect?
Maybe, but for sure the comment was
On Tuesday, 2021-03-16 at 17:00:06 +01, Paolo Bonzini wrote:
> A feature of the current rwlock is that if multiple coroutines hold a
> reader lock, all must be runnable. The unlock implementation relies on
> this, choosing to wake a single coroutine when the final read lock
> holder exits the
