Re: [PATCH] rtc-tegra: properly initialize spinlock
From: Thomas Gleixner <hidden>
Date: 2011-07-23 07:29:24
Also in:
lkml
From: Thomas Gleixner <hidden>
Date: 2011-07-23 07:29:24
Also in:
lkml
On Fri, 22 Jul 2011, Sven-Thorsten Dietrich wrote:
On Jul 22, 2011, at 3:13 PM, Andrew Morton wrote:quoted
On Fri, 22 Jul 2011 10:35:56 +0200 Uwe Kleine-K__nig [off-list ref] wrote:quoted
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