Re: [PATCH net-next v3 1/6] net: phy: mscc: migrate to phy_select/restore_page functions

From: Andrew Lunn
Date: Mon Nov 19 2018 - 11:25:36 EST


On Mon, Nov 19, 2018 at 05:14:38PM +0100, Andreas Schwab wrote:
> On Nov 19 2018, Andrew Lunn <andrew@xxxxxxx> 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