WARNING: line length of 81 exceeds 80 columns
#47: FILE: arch/arm64/net/bpf_jit_comp.c:1082:
+ * - OFFSET (16 bits): Offset used to compute address for Load/Store instruction.

WARNING: line length of 91 exceeds 80 columns
#48: FILE: arch/arm64/net/bpf_jit_comp.c:1083:
+ * - ARENA_REG (5 bits): Register that is used to calculate the address for load/store when

WARNING: line length of 99 exceeds 80 columns
#50: FILE: arch/arm64/net/bpf_jit_comp.c:1085:
+ * - ARENA_ACCESS (1 bit): This bit is set when the faulting instruction accessed the arena region.

WARNING: line length of 99 exceeds 80 columns
#51: FILE: arch/arm64/net/bpf_jit_comp.c:1086:
+ * - FIXUP_REG (5 bits): Destination register for the load instruction (cleared on fault) or set to

WARNING: line length of 97 exceeds 80 columns
#111: FILE: arch/arm64/net/bpf_jit_comp.c:1178:
+		 * insn->src_reg/dst_reg holds the address in the arena region with upper 32-bits

WARNING: line length of 97 exceeds 80 columns
#112: FILE: arch/arm64/net/bpf_jit_comp.c:1179:
+		 * being zero because of a preceding addr_space_cast(r<n>, 0x0, 0x1) instruction.

WARNING: line length of 88 exceeds 80 columns
#113: FILE: arch/arm64/net/bpf_jit_comp.c:1180:
+		 * This address is adjusted with the addition of arena_vm_start (see the

WARNING: line length of 100 exceeds 80 columns
#114: FILE: arch/arm64/net/bpf_jit_comp.c:1181:
+		 * implementation of BPF_PROBE_MEM32 and BPF_PROBE_ATOMIC) before being used for the

WARNING: line length of 87 exceeds 80 columns
#115: FILE: arch/arm64/net/bpf_jit_comp.c:1182:
+		 * memory access. Pass the reg holding the unmodified 32-bit address to

WARNING: line length of 91 exceeds 80 columns
#159: FILE: arch/x86/net/bpf_jit_comp.c:1405:
+ * - INSN_LEN (8 bits): Length of faulting insn (max x86 insn = 15 bytes (fits in 8 bits)).

WARNING: line length of 97 exceeds 80 columns
#160: FILE: arch/x86/net/bpf_jit_comp.c:1406:
+ * - DST_REG  (8 bits): Offset of dst_reg from reg2pt_regs[] (max offset = 112 (fits in 8 bits)).

WARNING: line length of 99 exceeds 80 columns
#164: FILE: arch/x86/net/bpf_jit_comp.c:1410:
+ * - ARENA_ACCESS (1 bit): This bit is set when the faulting instruction accessed the arena region.

WARNING: line length of 85 exceeds 80 columns
#174: FILE: arch/x86/net/bpf_jit_comp.c:1420:
+ * - ARENA_OFFSET (16 bits): Offset used to calculate the address for load/store when

WARNING: line length of 99 exceeds 80 columns
#227: FILE: arch/x86/net/bpf_jit_comp.c:2146:
+				 * src_reg/dst_reg holds the address in the arena region with upper

WARNING: line length of 98 exceeds 80 columns
#228: FILE: arch/x86/net/bpf_jit_comp.c:2147:
+				 * 32-bits being zero because of a preceding addr_space_cast(r<n>,

WARNING: line length of 100 exceeds 80 columns
#229: FILE: arch/x86/net/bpf_jit_comp.c:2148:
+				 * 0x0, 0x1) instruction. This address is adjusted with the addition

WARNING: line length of 99 exceeds 80 columns
#230: FILE: arch/x86/net/bpf_jit_comp.c:2149:
+				 * of arena_vm_start (see the implementation of BPF_PROBE_MEM32 and

WARNING: line length of 98 exceeds 80 columns
#231: FILE: arch/x86/net/bpf_jit_comp.c:2150:
+				 * BPF_PROBE_ATOMIC) before being used for the memory access. Pass

WARNING: line length of 83 exceeds 80 columns
#232: FILE: arch/x86/net/bpf_jit_comp.c:2151:
+				 * the reg holding the unmodified 32-bit address to

WARNING: line length of 98 exceeds 80 columns
#243: FILE: arch/x86/net/bpf_jit_comp.c:2162:
+				ex->fixup = FIELD_PREP(FIXUP_INSN_LEN_MASK, prog - start_of_ldx) |

WARNING: line length of 89 exceeds 80 columns
#244: FILE: arch/x86/net/bpf_jit_comp.c:2163:
+					    FIELD_PREP(FIXUP_ARENA_REG_MASK, arena_reg) |

WARNING: line length of 82 exceeds 80 columns
#245: FILE: arch/x86/net/bpf_jit_comp.c:2164:
+					    FIELD_PREP(FIXUP_REG_MASK, fixup_reg);

WARNING: line length of 90 exceeds 80 columns
#248: FILE: arch/x86/net/bpf_jit_comp.c:2167:
+				ex->data |= FIELD_PREP(DATA_ARENA_OFFSET_MASK, insn->off);

WARNING: line length of 98 exceeds 80 columns
#257: FILE: arch/x86/net/bpf_jit_comp.c:2285:
+				ex->fixup = FIELD_PREP(FIXUP_INSN_LEN_MASK, prog - start_of_ldx) |

WARNING: line length of 93 exceeds 80 columns
#258: FILE: arch/x86/net/bpf_jit_comp.c:2286:
+					    FIELD_PREP(FIXUP_REG_MASK, reg2pt_regs[dst_reg]);

WARNING: line length of 93 exceeds 80 columns
#270: FILE: include/linux/bpf.h:2884:
+void bpf_prog_report_arena_violation(bool write, unsigned long addr, unsigned long fault_ip);

WARNING: line length of 82 exceeds 80 columns
#279: FILE: include/linux/bpf.h:3173:
+static inline void bpf_prog_report_arena_violation(bool write, unsigned long addr,

WARNING: line length of 92 exceeds 80 columns
#295: FILE: kernel/bpf/arena.c:637:
+void bpf_prog_report_arena_violation(bool write, unsigned long addr, unsigned long fault_ip)

total: 0 errors, 28 warnings, 0 checks, 269 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 4553245f5182 ("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, 28 warnings, 0 checks, 269 lines checked