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

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Date:   Mon, 19 Nov 2018 17:44:42 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Andreas Schwab <schwab@...e.de>
Cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Quentin Schulz <quentin.schulz@...tlin.com>,
        davem@...emloft.net, f.fainelli@...il.com,
        allan.nielsen@...rochip.com, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, thomas.petazzoni@...tlin.com,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH net-next v3 1/6] net: phy: mscc: migrate to
 phy_select/restore_page functions

On Mon, Nov 19, 2018 at 05:32:14PM +0100, Andreas Schwab wrote:
> On Nov 19 2018, Andrew Lunn <andrew@...n.ch> wrote:
> 
> > Lock debugging: prove locking correctness
> 

Lets see how much this gets messed up by email...

.config - Linux/arm 4.20.0-rc2 Kernel Configuration
 > Kernel hacking > Lock Debugging (spinlocks, mutexes, etc...) ──────
  ┌───────── Lock Debugging (spinlocks, mutexes, etc...) ──────────┐
  │  Arrow keys navigate the menu.  <Enter> selects submenus --->  │  
  │  (or empty submenus ----).  Highlighted letters are hotkeys.   │  
  │  Pressing <Y> includes, <N> excludes, <M> modularizes          │  
  │  features.  Press <Esc><Esc> to exit, <?> for Help, </> for    │  
  │ ┌────────────────────────────────────────────────────────────┐ │  
  │ │    [*] Lock debugging: prove locking correctness           │ │  
  │ │    [ ] Lock usage statistics                               │ │  
  │ │    -*- RT Mutex debugging, deadlock detection              │ │  
  │ │    -*- Spinlock and rw-lock debugging: basic checks        │ │  
  │ │    -*- Mutex debugging: basic checks                       │ │  
  │ │    -*- Wait/wound mutex debugging: Slowpath testing        │ │  
  │ │    -*- RW Semaphore debugging: basic checks                │ │  
  │ │    -*- Lock debugging: detect incorrect freeing of live loc│ │  
  │ │    [ ] Lock dependency engine debugging                    │ │  
  │ │    [*] Sleep inside atomic section checking                │ │  
  │ │    [ ] Locking API boot-time self-tests                    │ │  
  │ │    < > torture tests for locking                           │ │  
  │ │    < > Wait/wound mutex selftests                          │ │  
  │ └────────────────────────────────────────────────────────────┘ │  
  ├────────────────────────────────────────────────────────────────┤  
  │    <Select>    < Exit >    < Help >    < Save >    < Load >    │  
  └────────────────────────────────────────────────────────────────┘  
    
If you cannot see it at all, it probably means you are missing a
dependency:

  │   Depends on: DEBUG_KERNEL [=y] && \                           │  
  │ LOCK_DEBUGGING_SUPPORT [=y]                                    │  

    Andrew