netdev - Re: [PATCH v3 14/14] net/mlx4: Use irq_update_affinity

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Message-ID: <c2d794bf-20b4-95fa-dfba-e85cf6b74bd4@gmail.com>
Date:   Wed, 14 Jul 2021 14:19:20 +0300
From:   Tariq Toukan <ttoukan.linux@...il.com>
To:     Nitesh Narayan Lal <nitesh@...hat.com>,
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Subject: Re: [PATCH v3 14/14] net/mlx4: Use irq_update_affinity_hint



On 7/14/2021 12:15 AM, Nitesh Narayan Lal wrote:
> The driver uses irq_set_affinity_hint() to update the affinity_hint mask
> that is consumed by the userspace to distribute the interrupts. However,
> under the hood irq_set_affinity_hint() also applies the provided cpumask
> (if not NULL) as the affinity for the given interrupt which is an
> undocumented side effect.
> 
> To remove this side effect irq_set_affinity_hint() has been marked
> as deprecated and new interfaces have been introduced. Hence, replace the
> irq_set_affinity_hint() with the new interface irq_update_affinity_hint()
> that only updates the affinity_hint pointer.
> 
> Signed-off-by: Nitesh Narayan Lal <nitesh@...hat.com>
> Reviewed-by: Leon Romanovsky <leonro@...dia.com>
> ---

Thanks for you patch.
Reviewed-by: Tariq Toukan <tariqt@...dia.com>

Tariq