lkml.org 
[lkml]   [2011]   [Jul]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] rtc-tegra: properly initialize spinlock
    On Fri, 22 Jul 2011, Sven-Thorsten Dietrich wrote:
    >
    > On Jul 22, 2011, at 3:13 PM, Andrew Morton wrote:
    >
    > > On Fri, 22 Jul 2011 10:35:56 +0200
    > > Uwe Kleine-K__nig <u.kleine-koenig@pengutronix.de> wrote:
    > >
    > >> Using __SPIN_LOCK_UNLOCKED for a dynamically allocated lock is wrong and
    > >> breaks with PREEMPT_RT_FULL.
    > >
    > > Please define "breaks". Lockdep warnings? Deadlocks?
    >
    > Narrr, I think its a compile-time problem with the static initializer.

    Correct. The macro expansion magic of the static initializer barfs and
    with lockdep the lockdep key assignment is missing.

    Thanks,

    tglx


    \
     
     \ /
      Last update: 2011-07-23 09:31    [W:0.026 / U:59.128 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site