Re: [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00

From: Ingo Molnar
Date: Mon Jun 27 2005 - 03:21:13 EST



* Gene Heskett <gene.heskett@xxxxxxxxxxx> wrote:

> In the FWIW category, I booted 50-23 about an hour & a half ago, same
> mode 3, no hardirq's, everything seems to be working fine except for
> kmails total lack of threading causeing composer hangs while a mail
> fetch/spamassassin run is in progress. But thats not anything new to
> this patchset, its an equal opportunity annoyer.

does the patch below make the kmail starvation go away?

Ingo

Index: kernel/sched.c
===================================================================
--- kernel/sched.c.orig
+++ kernel/sched.c
@@ -1055,7 +1055,7 @@ static int try_to_wake_up(task_t * p, un
/*
* sync wakeups can increase wakeup latencies:
*/
- if (rt_task(p))
+// if (rt_task(p))
sync = 0;
#endif
rq = task_rq_lock(p, &flags);
-
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