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From:   "Sebastian A. Siewior" <bigeasy@linutronix.de>
To:     "Ahmed S. Darwish" <a.darwish@linutronix.de>
Cc:     Michael Grzeschik <m.grzeschik@pengutronix.de>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>, netdev@vger.kernel.org,
        LKML <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [RFC PATCH 0/1] net: arcnet: Fix RESET sequence
Message-ID: <20210111100907.tacvfj6ghtwkpyy6@linutronix.de>
References: <20201222090338.186503-1-a.darwish@linutronix.de>
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On 2020-12-22 10:03:37 [+0100], Ahmed S. Darwish wrote:
>   2) arcnet_close() contains a del_timer_sync(). If the irq handler
>      interrupts the to-be-deleted timer then call del_timer_sync(), it
>      will just loop forever.

del_timer_sync() will trigger a warning if invoked from interrupt
handler.

Sebastian