linux-kernel - Re: [PATCH net-next] hinic: add support to set and get pause param

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Date:   Sat, 16 May 2020 13:25:04 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     luobin9@...wei.com
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        luoxianjun@...wei.com, yin.yinshi@...wei.com,
        cloud.wangxiaoyun@...wei.com
Subject: Re: [PATCH net-next] hinic: add support to set and get pause param

From: Luo bin <luobin9@...wei.com>
Date: Sat, 16 May 2020 02:00:30 +0000

> add support to set pause param with ethtool -A and get pause
> param with ethtool -a. Also remove set_link_ksettings ops for VF.
> 
> Signed-off-by: Luo bin <luobin9@...wei.com>

Why are you using a semaphore and not a plain mutex.

Semaphores should be used as an absolute last resort, and only
after trying vigorously to use other locking primitives.