[PATCH] safty check of MAX_RT_PRIO >= MAX_USER_RT_PRIO

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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))


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]
  Powered by Linux