My sparc64 gcc-3.4.5 cross-compiler has decided to start emitting calls
to ____ilog2_NaN, due to
eq_context->log_eq_size = ilog2(eq->nent);
in drivers/net/mlx4/eq.c. There's another reference coming out of
drivers/net/mlx4/srq.s.
I guess this is a gcc bug - it's gone and decided that
__builtin_constant_p(eq->nent) is true :(
We've had this __builtin_constant_p() bogon occur before now - it
happened with one or two kmalloc() callsites on x86 for some gcc
versions, but we seemed to make it go away by some means.
I guess I can ignore the link errors for now, but it's sad to have to
rub out yet another gcc version.
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