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Ilya Leoshkevich authored
s390x ABI requires the caller to zero- or sign-extend the arguments. eBPF already deals with zero-extension (by definition of its ABI), but not with sign-extension. Add a test to cover that potentially problematic area. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Link: https://lore.kernel.org/r/20230128000650.1516334-15-iii@linux.ibm.comSigned-off-by: Alexei Starovoitov <ast@kernel.org>
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