Merge branch 'remove-jited-size-limits'

Ilya Leoshkevich says:

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This patch series introduces usage of relative long jumps and loads in
order to lift 64/512k size limits on JITed BPF programs on s390.

Patch 1 introduces long relative branches.
Patch 2 changes the way literal pool is arranged in order to be
compatible with long relative loads.
Patch 3 changes the way literal pool base register is loaded for large
programs.
Patch 4 replaces regular loads with long relative loads where they are
totally superior.
Patch 5 introduces long relative loads as an alternative way to load
constants in large programs. Regular loads are kept and still used for
small programs.
Patch 6 removes the size limit check.
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Signed-off-by: Alexei Starovoitov <[email protected]>

Author: Alexei Starovoitov