Messages in this thread Patch in this message | | | Subject | [PATCH] safty check of MAX_RT_PRIO >= MAX_USER_RT_PRIO | From | Steven Rostedt <> | Date | Wed, 27 Jul 2005 10:47:00 -0400 |
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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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