From: Kevin Hilman <khilman@mvista.com>
To: tglx@linutronix.de, mingo@elte.hu
Cc: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH -rt 6/6] Compile fix for PREEMPT_TIMING on and IRQSOFF_TIMING off
Date: Fri, 13 Jul 2007 10:52:20 -0700 [thread overview]
Message-ID: <20070713175229.239602308@mvista.com> (raw)
In-Reply-To: 20070713175214.336577416@mvista.com
[-- Attachment #1: trace-cpu-idle.patch --]
[-- Type: text/plain, Size: 865 bytes --]
The per-cpu trace_cpu_idle variable is used when timing *either*
IRQs-off or preempt sections.
---
kernel/latency_trace.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
Index: linux-2.6/kernel/latency_trace.c
===================================================================
--- linux-2.6.orig/kernel/latency_trace.c
+++ linux-2.6/kernel/latency_trace.c
@@ -85,9 +85,13 @@ static inline int DEBUG_WARN_ON(int cond
}
#endif
+#if defined(CONFIG_CRITICAL_IRQSOFF_TIMING) || \
+ defined(CONFIG_CRITICAL_PREEMPT_TIMING)
+ static DEFINE_PER_CPU(int, trace_cpu_idle);
+#endif
+
#ifdef CONFIG_CRITICAL_IRQSOFF_TIMING
# ifdef CONFIG_CRITICAL_PREEMPT_TIMING
- static DEFINE_PER_CPU(int, trace_cpu_idle);
# define irqs_off_preempt_count() (preempt_count() && !__get_cpu_var(trace_cpu_idle))
# else
# define irqs_off_preempt_count() 0
--
next prev parent reply other threads:[~2007-07-13 18:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-13 17:52 [PATCH -rt 0/6] misc. ARM fixup and compile fixes Kevin Hilman
2007-07-13 17:52 ` [PATCH -rt 1/6] Re-add GENERIC_TIME to OMAP Kevin Hilman
2007-07-13 17:52 ` [PATCH -rt 2/6] Fix typo in new IRQF_TIMER name Kevin Hilman
2007-07-13 17:52 ` [PATCH -rt 3/6] Compile fix for PREEMPT_TIMING on and TRACE_IRQFLAGS off Kevin Hilman
2007-07-13 17:52 ` [PATCH -rt 4/6] Add trace_preempt_*_idle() support for ARM Kevin Hilman
2007-07-13 17:52 ` [PATCH -rt 5/6] ARM: Fix save_stack_trace() prototype Kevin Hilman
2007-07-13 17:52 ` Kevin Hilman [this message]
2007-07-13 21:11 ` [PATCH -rt 6/6] Compile fix for PREEMPT_TIMING on and IRQSOFF_TIMING off Sven-Thorsten Dietrich
2007-07-13 23:22 ` Kevin Hilman
2007-07-14 2:08 ` Sven-Thorsten Dietrich
2007-07-15 16:31 ` [PATCH -rt 0/6] misc. ARM fixup and compile fixes Thomas Gleixner
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