netdev - Re: [PATCH net] net/mlx4_core: Save the qpn from the input modifier in RST2INIT wrapper

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Date:   Tue, 24 Jul 2018 16:31:18 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     tariqt@...lanox.com
Cc:     netdev@...r.kernel.org, eranbe@...lanox.com,
        jackm@....mellanox.co.il
Subject: Re: [PATCH net] net/mlx4_core: Save the qpn from the input
 modifier in RST2INIT wrapper

From: Tariq Toukan <tariqt@...lanox.com>
Date: Tue, 24 Jul 2018 14:27:55 +0300

> From: Jack Morgenstein <jackm@....mellanox.co.il>
> 
> Function mlx4_RST2INIT_QP_wrapper saved the qp number passed in the qp
> context, rather than the one passed in the input modifier.
> 
> However, the qp number in the qp context is not defined as a
> required parameter by the FW. Therefore, drivers may choose to not
> specify the qp number in the qp context for the reset-to-init transition.
> 
> Thus, we must save the qp number passed in the command input modifier --
> which is always present. (This saved qp number is used as the input
> modifier for command 2RST_QP when a slave's qp's are destroyed).
> 
> Fixes: c82e9aa0a8bc ("mlx4_core: resource tracking for HCA resources used by guests")
> Signed-off-by: Jack Morgenstein <jackm@....mellanox.co.il>
> Signed-off-by: Tariq Toukan <tariqt@...lanox.com>

Applied and queued up for -stable, thank you.