WARNING: Possible repeated word: 'Unknown'
#15: 
    Hardware name: Unknown Unknown Product/Unknown Product, BIOS 2024.01+dfsg-1ubuntu5.1 01/01/2024

WARNING: line length of 82 exceeds 80 columns
#79: FILE: arch/riscv/net/bpf_jit_comp64.c:717:
+static int sign_extend(u8 rd, u8 rs, u8 sz, bool sign, struct rv_jit_context *ctx)

WARNING: Prefer using '"%s...", __func__' to using 'sign_extend', this function's name, in a string
#102: FILE: arch/riscv/net/bpf_jit_comp64.c:740:
+		pr_err("bpf-jit: invalid size %d for sign_extend\n", sz);

WARNING: line length of 84 exceeds 80 columns
#119: FILE: arch/riscv/net/bpf_jit_comp64.c:1213:
+			ret = sign_extend(RV_REG_A0, regmap[BPF_REG_0], m->ret_size,

WARNING: line length of 85 exceeds 80 columns
#120: FILE: arch/riscv/net/bpf_jit_comp64.c:1214:
+					  m->ret_flags & BTF_FMODEL_SIGNED_ARG, ctx);

total: 0 errors, 5 warnings, 0 checks, 55 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit f610f67f1d43 ("riscv, bpf: Sign extend struct ops return values properly") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 5 warnings, 0 checks, 55 lines checked