2.6.35.10-74 compilation (and build) problems

[Don Zickus]

On Fri, Jan 07, 2011 at 10:31:47PM -0800, JD wrote:
> > OBJCOPY arch/x86/vdso/vdso32-sysenter.so
> > AS arch/x86/vdso/vdso32.o
> > CC arch/x86/vdso/vdso32-setup.o
> > VDSOSYM arch/x86/vdso/vdso32-int80-syms.lds
> > VDSOSYM arch/x86/vdso/vdso32-sysenter-syms.lds
> > VDSOSYM arch/x86/vdso/vdso32-syms.lds
> > LD arch/x86/vdso/built-in.o
> > LD arch/x86/built-in.o
> > CC kernel/sched.o
> > kernel/sched.c: In function ‘init_idle’:
> > kernel/sched.c:5397: error: implicit declaration of function 
> > ‘double_rq_lock’
> > kernel/sched.c:5422: error: implicit declaration of function 
> > ‘double_rq_unlock’
> > make[1]: *** [kernel/sched.o] Error 1
> > make: *** [kernel] Error 2
> >
> I re-ran make xconfig and re-enabled SMP
> and restarted make all.
> No compilation problems.
> So, it seems that disabling SMP breaks the kernel compilation.
> This is a rather loud evidence that the kernel devs have inserted
> code (perhaps unwittingly) that is SMP dependent without proper
> ifdefs for SMP and non-SMP.

Ok, you are probably right.  File a bug at bugzilla.redhat.com

Cheers,
Don