Re: [PATCH mlx5-vhost v2 01/10] net/mlx5: Support throttled commands from async API

[Dragos Tatulea <dtatulea@nvidia.com>]

On 11.09.24 10:00, Eugenio Perez Martin wrote:
> On Mon, Sep 9, 2024 at 11:33 AM Dragos Tatulea <dtatulea@nvidia.com> wrote:
>>
>>
>>
>> On 16.08.24 11:01, Dragos Tatulea wrote:
>>> Currently, commands that qualify as throttled can't be used via the
>>> async API. That's due to the fact that the throttle semaphore can sleep
>>> but the async API can't.
>>>
>>> This patch allows throttling in the async API by using the tentative
>>> variant of the semaphore and upon failure (semaphore at 0) returns EBUSY
>>> to signal to the caller that they need to wait for the completion of
>>> previously issued commands.
>>>
>>> Furthermore, make sure that the semaphore is released in the callback.
>>>
>>> Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
>>> Cc: Leon Romanovsky <leonro@nvidia.com>
>>> Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
>> Same reminder as in v1: Tariq is the maintainer for mlx5 so his review
>> also counts as Acked-by.
>>
> 
> Not sure if it was the case when you send the mail, but this series is
> already in the maintainer's branch:
> * https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/
> * https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?h=vhost&id=691fd851e1bc8ec043798e1ab337305e6291cd6b
It wasn't. Thanks for the notice!

Thanks,
Dragos