Re: [PATCH 2/2] Compile error with allmodconfig and CONFIG_PREEMPT_RT_FULL=y

Mike Galbraith
2011-11-16T14:21:52Z

On Tue, 2011-11-15 at 14:27 +0100, Mike Galbraith wrote:
> On Tue, 2011-11-15 at 07:23 -0500, Steven Rostedt wrote:
>
> > Right, migrate_disable() should not have been an EXPORT_SYMBOL_GPL(), as
> > it is a helper functions that is also exported as EXPORT_SYMBOL(). It
> > shouldn't be called directly anyway, even by code in the kernel proper.
>
> Ah. Doesn't matter though. I downloaded their latest, tried to build
> it with EXPORT_SYMBOL(migrate_enable/disable) ..
>
> FATAL: modpost: GPL-incompatible module nvidia.ko uses GPL-only symbol '__rt_mutex_init'
>
> With that exported, the thing builds and runs, but rt_mutex_foo exports
> appear to be intentionally GPL only, so it's "go fish" for nVidia.

Bah. I checked the crusty old hack for crusty old driver, and it still
works just fine with a trivial define. It'd probably work better if it
didn't need cheezy raw_* hacks, but then it'd probably work better if it
was GPL too ;-)

-Mike