Re: 2.6.13-rc6-rt6

[Steven Rostedt <rostedt@goodmis.org>]

On Tue, 2005-08-16 at 14:07 -0400, Steven Rostedt wrote:
> On Tue, 2005-08-16 at 13:50 -0400, Steven Rostedt wrote:
> 
> > I changed it for now to the following, but it still desn't make sense to
> > me.  With a local_save_flags, which doesn't disable or restore the
> > interrupts, why bother with the trace at all?
> 
> Or should the following patch really be applied? (it boots and compiles
> nicely).
> 

Since the change made raw_local_save_flags the same for both PREEMPT_RT
and !PREEMPT_RT, I moved it out of the #ifdef altogether.  The
__raw_local_save_flags already does the type checking (at least for
intel).

-- Steve

Index: linux_realtime_ernie/include/linux/rt_irq.h
===================================================================
--- linux_realtime_ernie/include/linux/rt_irq.h	(revision 294)
+++ linux_realtime_ernie/include/linux/rt_irq.h	(working copy)
@@ -26,7 +26,6 @@
 # endif
 
 /* soft state does not follow the hard state */
-# define raw_local_save_flags(flags)	do { typecheck(unsigned long,flags); if (raw_irqs_disabled_flags(flags)) trace_irqs_off(); else trace_irqs_on(); __raw_local_save_flags(flags); } while (0)
 # define raw_local_irq_enable()		do { trace_irqs_on(); __raw_local_irq_enable(); } while (0)
 # define raw_local_irq_disable()	do { __raw_local_irq_disable(); trace_irqs_off(); } while (0)
 # define raw_local_irq_save(flags)	do { __raw_local_irq_save(flags); trace_irqs_off(); } while (0)
@@ -35,7 +34,6 @@
 # define raw_safe_halt()		__raw_safe_halt()
 #else
 # define RAW_LOCAL_ILLEGAL_MASK		0UL
-# define raw_local_save_flags		__raw_local_save_flags
 # define raw_local_irq_enable		__raw_local_irq_enable
 # define raw_local_irq_disable		__raw_local_irq_disable
 # define raw_local_irq_save		__raw_local_irq_save
@@ -50,6 +48,7 @@
 # define irqs_disabled_flags		__raw_irqs_disabled_flags
 #endif
 
+#define raw_local_save_flags		__raw_local_save_flags
 #define raw_irqs_disabled		__raw_irqs_disabled
 #define raw_irqs_disabled_flags		__raw_irqs_disabled_flags