Re: [RFC PATCH 0/6] job: replace AioContext lock with job_mutex

[Kevin Wolf]

Am 13.07.2021 um 15:10 hat Stefan Hajnoczi geschrieben:
> AIO_WAIT_WHILE() requires that AioContext is acquired according to its
> documentation, but I'm not sure that's true anymore. Thread-safe/atomic
> primitives are used by AIO_WAIT_WHILE(), so as long as the condition
> being waited for is thread-safe too it should work without the
> AioContext lock.

Polling something in a different AioContext from the main thread still
temporarily drops the lock, which crashes if it isn't locked. I'm not
sure if the documentation claims that the lock is needed in more cases,
I guess you could interpret it either way.

Kevin

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