bpf: btf: Add BTF_FMODEL_SIGNED_ARG flag

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s390x eBPF JIT needs to know whether a function return value is signed
and which function arguments are signed, in order to generate code
compliant with the s390x ABI.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230128000650.1516334-26-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Ilya Leoshkevich 2023-01-28 01:06:44 +01:00 • committed by Alexei Starovoitov

parent 0f0e5f5bd5

commit 49f67f393f

3 changed files with 29 additions and 6 deletions

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4

include/linux/bpf.h

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15

include/linux/btf.h

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16

kernel/bpf/btf.c

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