linux-kernel - Re: [PATCH] RDMA/bnxt_re: Scan the whole bitmap when checking if "disabling RCFW with pending cmd-bit"

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Message-ID: <CA+sbYW3WNJNWSNL84XgZ+PPSbR+_S93HV1u0CGS+3uNTpDp-WQ@mail.gmail.com>
Date:   Mon, 15 Nov 2021 15:11:36 +0530
From:   Selvin Xavier <selvin.xavier@...adcom.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Doug Ledford <dledford@...hat.com>, Jason Gunthorpe <jgg@...pe.ca>,
        Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>,
        Eddie Wai <eddie.wai@...adcom.com>,
        Somnath Kotur <somnath.kotur@...adcom.com>,
        Leon Romanovsky <leon@...nel.org>, linux-rdma@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] RDMA/bnxt_re: Scan the whole bitmap when checking if
 "disabling RCFW with pending cmd-bit"

On Fri, Nov 12, 2021 at 2:36 PM Christophe JAILLET
<christophe.jaillet@...adoo.fr> wrote:
>
> The 'cmdq->cmdq_bitmap' bitmap is 'rcfw->cmdq_depth' bits long.
> The size stored in 'cmdq->bmap_size' is the size of the bitmap in bytes.
>
> Remove this erroneous 'bmap_size' and use 'rcfw->cmdq_depth' directly in
> 'bnxt_qplib_disable_rcfw_channel()'. Otherwise some error messages may
> be missing.
>
> Other uses of 'cmdq_bitmap' already take into account 'rcfw->cmdq_depth'
> directly.
>
> Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Acked-by: Selvin Xavier <selvin.xavier@...adcom.com>