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Subject: Re: [patch 23/30] net/mlx5: Use effective interrupt affinity
From:   Saeed Mahameed <saeed@kernel.org>
To:     Thomas Gleixner <tglx@linutronix.de>,
        LKML <linux-kernel@vger.kernel.org>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Marc Zyngier <maz@kernel.org>,
        Leon Romanovsky <leon@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
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Date:   Mon, 14 Dec 2020 12:58:36 -0800
In-Reply-To: <20201210194044.876342330@linutronix.de>
References: <20201210192536.118432146@linutronix.de>
         <20201210194044.876342330@linutronix.de>
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On Thu, 2020-12-10 at 20:25 +0100, Thomas Gleixner wrote:
> Using the interrupt affinity mask for checking locality is not really
> working well on architectures which support effective affinity masks.
> 
> The affinity mask is either the system wide default or set by user
> space,
> but the architecture can or even must reduce the mask to the
> effective set,
> which means that checking the affinity mask itself does not really
> tell
> about the actual target CPUs.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Saeed Mahameed <saeedm@nvidia.com>
> Cc: Leon Romanovsky <leon@kernel.org>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: netdev@vger.kernel.org
> Cc: linux-rdma@vger.kernel.org
> 

Acked-by: Saeed Mahameed <saeedm@nvidia.com>