Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.32-6

From: Ingo Molnar
Date: Thu Dec 09 2004 - 04:10:47 EST

* Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> Hi Ingo,
> I found a race condition in slab.c, but I'm still trying to figure out
> exactly how it's playing out. This has to do with dynamic loading and
> unloading of caches. I have a small test case that simulates the
> problem at

good catch! When i converted slab.c to RT i mistakenly thought that SLAB
flushing (draining) is only an SMP optimization (which i thus generously
disabled), but i forgot about module unloading. This could indeed
explain some of the unresolved bugs in the -RT patchset.

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