Re: [PATCH] PREEMPT_RT_FULL Build error fix

[Thomas Gleixner]

On Fri, 26 Aug 2011, John Kacur wrote:

> Problem:
> make O=/bld/3.0.3-rt11/ kernel/fork.o
> /home/jkacur/jk-2.6/kernel/fork.c:91: error: section of ânameâ conflicts with previous declaration
> 
> __cacheline_aligned is already part of the definition of DEFINE_RWLOCK
> for -rt
> 
> However it is not always used for the tasklist_lock in non-rt, so it can't
> simply be added to the definition of DEFINE_RWLOCK in non-rt, so I modified
> the definition in fork.c

-ENOPARSE

The real question is whether RWLOCKS should be cacheline aligned in
general or the RT addon is just overkill. Slapping an ifdef around
does not answer that.

Thanks,

	tglx