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Subject: [PATCH -rt] spin_lock in check_monotonic_clock must be raw
From: Steven Rostedt <rostedt@goodmis.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>, LKML <linux-kernel@vger.kernel.org>
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Date: Thu, 30 Mar 2006 09:28:04 -0500
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Hi Ingo,

The lock in check_monotonic_clock must be a raw spinlock since it is
called from the hrtimer_interrupt.

-- Steve

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

Index: linux-2.6.16-rt11/kernel/time/timeofday.c
===================================================================
--- linux-2.6.16-rt11.orig/kernel/time/timeofday.c	2006-03-30 07:10:16.000000000 -0500
+++ linux-2.6.16-rt11/kernel/time/timeofday.c	2006-03-30 09:23:07.000000000 -0500
@@ -125,7 +125,7 @@
 
 #ifdef CONFIG_PARANOID_GENERIC_TIME
 /* This will hurt performance! */
-static DEFINE_SPINLOCK(check_monotonic_lock);
+static DEFINE_RAW_SPINLOCK(check_monotonic_lock);
 static ktime_t last_monotonic_ktime;
 
 static ktime_t get_check_value(void)