On Wed, 2005-07-27 at 16:33 +0200, Ingo Molnar wrote:
> i'm not excluding that this will become necessary in the future. We 
> should also add the safety check to sched.h - all i'm suggesting is to 
> not make it a .config option just now, because that tends to be fiddled 
> with.

So Ingo, would you agree that at least this patch should go in?

-- Steve

(Patched against 2.6.12.2)

Index: vanilla_kernel/include/linux/sched.h
===================================================================
--- vanilla_kernel/include/linux/sched.h        (revision 263)
+++ vanilla_kernel/include/linux/sched.h        (working copy)
@@ -392,6 +392,10 @@
 #define MAX_USER_RT_PRIO       100
 #define MAX_RT_PRIO            MAX_USER_RT_PRIO
 
+#if MAX_USER_RT_PRIO > MAX_RT_PRIO
+#error MAX_USER_RT_PRIO must not be greater than MAX_RT_PRIO
+#endif
+
 #define MAX_PRIO               (MAX_RT_PRIO + 40)
 
 #define rt_task(p)             (unlikely((p)->prio < MAX_RT_PRIO))


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