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4b9dddf430
Kernel 4.7 added the option to trim the unused exported symbols. In my testing this showed to be problematic since the PDE_DATA function was considered unused and as such was trimmed. This in turn caused the respective test during spl's configure stage to falsely detect that PDE_DATA is not defined, which in turn caused build failures later. Handle this situation by adding detection whether CONFIG_TRIM_UNUSED_KSYMS is enabled and refuse to build against a kernel which has it enabled Signed-off-by: Nikolay Borisov <n.borisov.lkml@gmail.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #565