From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Lunn <andrew@lunn.ch>
Subject: Re: [PATCH net-next v3 1/6] net: phy: mscc: migrate to
 phy_select/restore_page functions
Date: Mon, 19 Nov 2018 17:25:29 +0100
Message-ID: <20181119162529.GA31955@lunn.ch>
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 <20181119152830.GE26852@lunn.ch>
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Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Quentin Schulz <quentin.schulz@bootlin.com>,
        davem@davemloft.net, f.fainelli@gmail.com,
        allan.nielsen@microchip.com, linux-kernel@vger.kernel.org,
        netdev@vger.kernel.org, thomas.petazzoni@bootlin.com,
        linux-riscv@lists.infradead.org
To: Andreas Schwab <schwab@suse.de>
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On Mon, Nov 19, 2018 at 05:14:38PM +0100, Andreas Schwab wrote:
> On Nov 19 2018, Andrew Lunn <andrew@lunn.ch> wrote:
> 
> > Could you turn on lockdep and see if it reports a deadlock.
> 
> How do I "turn on lockdep"?

make menuconfig
Kernel hacking
Lock Debugging (spinlocks, mutexes, etc...) 
Lock debugging: prove locking correctness

It has changes its name at some point. it used to be called
CONFIG_LOCKDEP, for locking dependencies. Anybody who has been kernel
hacking for a while still calls it lockdep.

	Andrew