CHECK: Prefer using the BIT macro
#26: FILE: arch/x86/net/bpf_jit_comp.c:1387:
+#define ARENA_FAULT (1 << 8)

WARNING: line length of 118 exceeds 80 columns
#56: FILE: arch/x86/net/bpf_jit_comp.c:2058:
+					((BPF_CLASS(insn->code) == BPF_LDX ? reg2pt_regs[dst_reg] : DONT_CLEAR) << 16)

WARNING: line length of 129 exceeds 80 columns
#57: FILE: arch/x86/net/bpf_jit_comp.c:2059:
+					| ((BPF_CLASS(insn->code) == BPF_LDX ? reg2pt_regs[src_reg] : reg2pt_regs[dst_reg])<< 8);

CHECK: spaces preferred around that '<<' (ctx:VxW)
#57: FILE: arch/x86/net/bpf_jit_comp.c:2059:
+					| ((BPF_CLASS(insn->code) == BPF_LDX ? reg2pt_regs[src_reg] : reg2pt_regs[dst_reg])<< 8);
 					                                                                                   ^

WARNING: line length of 97 exceeds 80 columns
#68: FILE: arch/x86/net/bpf_jit_comp.c:2179:
+				ex->fixup = (prog - start_of_ldx) | (reg2pt_regs[dst_reg] << 16);

WARNING: line length of 90 exceeds 80 columns
#100: FILE: kernel/bpf/arena.c:601:
+	if (atomic_long_fetch_add(1, &prog->aux->error_count) >= BPF_PROG_ERROR_COUNT_MAX)

WARNING: line length of 90 exceeds 80 columns
#102: FILE: kernel/bpf/arena.c:603:
+	bpf_prog_stderr_printk(prog, "ERROR: Arena %s access at unmapped address 0x%lx\n",

total: 0 errors, 5 warnings, 2 checks, 71 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 7f4d50977a26 ("bpf: Report arena faults to BPF stderr") 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, 2 checks, 71 lines checked