[PATCH bpf-next 2/3] riscv, bpf: Fix support for BPF_MOVSX in RV32 JIT

[bot+bpf-ci at kernel.org]

> riscv, bpf: Fix support for BPF_MOVSX in RV32 JIT

The subject indicates this is a fix, but there's no Fixes: tag in the
commit message. Should this include:

Fixes: 8100928c8814 ("bpf: Support new sign-extension mov insns")

The RV32 BPF JIT never implemented support for BPF_MOVSX instructions,
which were added to the BPF instruction set in commit 8100928c8814.


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See: https://github.com/kernel-patches/vmtest/blob/master/ci/claude/README.md

CI run summary: https://github.com/kernel-patches/bpf/actions/runs/25109627626