Re: [PATCH] fix (again) MAX_USER_RT_PRIO and MAX_RT_PRIO (was: MAX_USER_RT_PRIO and MAX_RT_PRIO are wrong!)

[Lee Revell <rlrevell@joe-job.com>]

On Mon, 2005-07-25 at 16:28 -0400, Steven Rostedt wrote:
> Ingo,
> 
> I've CC you just because you are the schedule maintainer.  You already
> accepted this patch into your RT tree.
> 

Please make sure to pick up this patch from Andreas Steinmetz too,
otherwise the rlimits are broken:

--- linux.orig/kernel/sched.c   2005-07-22 19:45:05.000000000 +0200
+++ linux/kernel/sched.c        2005-07-22 19:45:42.000000000 +0200
@@ -3528,7 +3528,8 @@
         */
        if (!capable(CAP_SYS_NICE)) {
                /* can't change policy */
-               if (policy != p->policy)
+               if (policy != p->policy &&
+                       !p->signal->rlim[RLIMIT_RTPRIO].rlim_cur)
                        return -EPERM;
                /* can't increase priority */
                if (policy != SCHED_NORMAL &&

Lee

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