WARNING: please write a help paragraph that fully describes the config symbol with at least 4 lines
#61: FILE: kernel/Kconfig.kexec:49:
+config KEXEC_BPF
+	bool "Enable bpf-prog to parse the kexec image"
+	depends on KEXEC_FILE
+	depends on DEBUG_INFO_BTF && BPF_SYSCALL
+	help
+	  This is a feature to run bpf section inside a kexec image file, which
+	  parses the image properly and help kernel set up kexec boot protocol
+

WARNING: externs should be avoided in .c files
#141: FILE: kernel/kexec_bpf_loader.c:52:
+void kexec_image_parser_anchor(struct kexec_context *context,

ERROR: inline keyword should sit between storage class and type
#144: FILE: kernel/kexec_bpf_loader.c:55:
+void noinline __used kexec_image_parser_anchor(struct kexec_context *context,

WARNING: line length of 82 exceeds 80 columns
#301: FILE: kernel/kexec_bpf_loader.c:212:
+		 * Suffix must be exactly one digit in [1, KEXEC_ELF_BPF_MAX_IDX].

WARNING: line length of 82 exceeds 80 columns
#308: FILE: kernel/kexec_bpf_loader.c:219:
+			pr_err("kexec: invalid BPF section index in: %s\n", name);

WARNING: line length of 86 exceeds 80 columns
#383: FILE: kernel/kexec_bpf_loader.c:294:
+ * process_bpf_parsers_container - recursively process an ELF container, which holds a

WARNING: line length of 85 exceeds 80 columns
#394: FILE: kernel/kexec_bpf_loader.c:305:
+ *   3. At each level, stop trying at the first attempt where context->parsed becomes

CHECK: Alignment should match open parenthesis
#400: FILE: kernel/kexec_bpf_loader.c:311:
+static int process_bpf_parsers_container(const char *elf_buf, size_t elf_sz,
+				   struct kexec_context *context, int depth)

CHECK: Alignment should match open parenthesis
#443: FILE: kernel/kexec_bpf_loader.c:354:
+			pr_info("kexec: arm_bpf_prog failed for %s (depth %d), trying next\n",
+				 section_name, depth);

CHECK: Blank lines aren't necessary after an open brace '{'
#513: FILE: kernel/kexec_bpf_loader.c:424:
+	if (!validate_elf_bpf_sections(parser_start, parser_sz)) {
+

CHECK: Alignment should match open parenthesis
#515: FILE: kernel/kexec_bpf_loader.c:426:
+		ret = kernel_read_file_from_fd(extended_fd,
+						0,

WARNING: line length of 86 exceeds 80 columns
#525: FILE: kernel/kexec_bpf_loader.c:436:
+		ret = process_bpf_parsers_container(parser_start, parser_sz, &ctx, 0);

WARNING: line length of 88 exceeds 80 columns
#529: FILE: kernel/kexec_bpf_loader.c:440:
+			/* Envelop should hold valid kernel, initrd, cmdline sections */

CHECK: Blank lines aren't necessary before a close brace '}'
#645: FILE: kernel/kexec_file.c:295:
 
+	}

CHECK: extern prototypes should be avoided in .h files
#668: FILE: kernel/kexec_internal.h:42:
+extern int decompose_kexec_image(struct kimage *image, int extended_fd);

total: 1 errors, 8 warnings, 6 checks, 589 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 368ed3e2cd3c ("kexec_file: Use bpf-prog to decompose image") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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.