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Re: [PATCH] aio_wait_kick: add missing memory barrier
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From: |
Kevin Wolf |
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Subject: |
Re: [PATCH] aio_wait_kick: add missing memory barrier |
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Date: |
Mon, 30 May 2022 15:16:40 +0200 |
Am 24.05.2022 um 19:30 hat Emanuele Giuseppe Esposito geschrieben:
> It seems that aio_wait_kick always required a memory barrier
> or atomic operation in the caller, but nobody actually
> took care of doing it.
>
> Let's put the barrier in the function instead, and pair it
> with another one in AIO_WAIT_WHILE. Read aio_wait_kick()
> comment for further explanation.
>
> Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
> Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Thanks, applied to the block branch.
Kevin