netdev - Re: [PATCH net] net: dsa: mv88e6xxx: lock mutex when freeing IRQs

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Date:   Tue, 26 Sep 2017 14:01:11 -0400
From:   Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH net] net: dsa: mv88e6xxx: lock mutex when freeing IRQs

Hi Andrew,

Andrew Lunn <andrew@...n.ch> writes:

> In general, i tried to keep the mutex out of the interrupt code.  That
> is not totally possible, the IRQ thread handler needs it. But
> otherwise, the IRQ code assumes it is called with the mutex taken.
>
> So i think it is better to hold the mutex in mv88e6xxx_remove() when
> calling mv88e6xxx_g1_irq_free().

I'd prefer that too. Respinning, thanks!


    Vivien