Re: v2.6.22.1-rt5

[Andi Kleen <andi@firstfloor.org>]

Ingo Molnar <mingo@elte.hu> writes:
>    
> more info about the -rt patchset can be found in the RT wiki:
>     
>   http://rt.wiki.kernel.org
>  
> to build a 2.6.22.1-rt5 tree, the following patches should be applied:
> 
>  http://kernel.org/pub/linux/kernel/v2.6/testing/linux-2.6.23-rc1.tar.bz2
>  http://redhat.com/~mingo/realtime-preempt/patch-2.6.23-rc1-rt0

This patch is needed to build on x86-64 with only the tracing options,
but no preempt enabled.

-Andi

Fix build in latency_hist.c

Signed-off-by: Andi Kleen <ak@suse.de>

Index: linux-2.6.23-rc1-rt0/kernel/latency_hist.c
===================================================================
--- linux-2.6.23-rc1-rt0.orig/kernel/latency_hist.c
+++ linux-2.6.23-rc1-rt0/kernel/latency_hist.c
@@ -15,6 +15,7 @@
 #include <linux/percpu.h>
 #include <linux/latency_hist.h>
 #include <asm/atomic.h>
+#include <asm/div64.h>
 
 typedef struct hist_data_struct {
 	atomic_t hist_mode; /* 0 log, 1 don't log */