linux-kernel - Re: [PATCH rdma-next] docs: Fix infiniband uverbs minor number

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Message-ID: <YPrJorr7r9Kd2IzA@unreal>
Date:   Fri, 23 Jul 2021 16:52:34 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>
Cc:     Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        RDMA mailing list <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH rdma-next] docs: Fix infiniband uverbs minor number

+ RDMA

On Thu, Jul 22, 2021 at 09:45:07AM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...dia.com>
> 
> Starting from the introduction of infiniband subsystem, the uverbs
> char devices started from 192 as a minor number, see 
> commit bc38a6abdd5a ("[PATCH] IB uverbs: core implementation"), but
> the documentation was slightly different.
> 
> This patch updates the admin guide documentation to reflect it.
> 
> Fixes: 9d85025b0418 ("docs-rst: create an user's manual book")
> Signed-off-by: Leon Romanovsky <leonro@...dia.com>
> ---
>  Documentation/admin-guide/devices.txt | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt
> index 9c2be821c225..922c23bb4372 100644
> --- a/Documentation/admin-guide/devices.txt
> +++ b/Documentation/admin-guide/devices.txt
> @@ -2993,10 +2993,10 @@
>  		65 = /dev/infiniband/issm1     Second InfiniBand IsSM device
>  		  ...
>  		127 = /dev/infiniband/issm63    63rd InfiniBand IsSM device
> -		128 = /dev/infiniband/uverbs0   First InfiniBand verbs device
> -		129 = /dev/infiniband/uverbs1   Second InfiniBand verbs device
> +		192 = /dev/infiniband/uverbs0   First InfiniBand verbs device
> +		193 = /dev/infiniband/uverbs1   Second InfiniBand verbs device
>  		  ...
> -		159 = /dev/infiniband/uverbs31  31st InfiniBand verbs device
> +		223 = /dev/infiniband/uverbs31  31st InfiniBand verbs device
>  
>   232 char	Biometric Devices
>  		0 = /dev/biometric/sensor0/fingerprint	first fingerprint sensor on first device
> -- 
> 2.31.1
>