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
#135: FILE: kernel/kexec_bpf_loader.c:45:
+void kexec_image_parser_anchor(struct kexec_context *context,

CHECK: Alignment should match open parenthesis
#136: FILE: kernel/kexec_bpf_loader.c:46:
+void kexec_image_parser_anchor(struct kexec_context *context,
+		unsigned long parser_id);

CHECK: Lines should not end with a '('
#144: FILE: kernel/kexec_bpf_loader.c:54:
+__attribute__((used, optimize("O0"))) void kexec_image_parser_anchor(

WARNING: Prefer __used over __attribute__((used))
#144: FILE: kernel/kexec_bpf_loader.c:54:
+__attribute__((used, optimize("O0"))) void kexec_image_parser_anchor(

WARNING: line length of 94 exceeds 80 columns
#149: FILE: kernel/kexec_bpf_loader.c:59:
+	 * To prevent linker from Identical Code Folding (ICF) with kexec_image_parser_anchor,

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#152: FILE: kernel/kexec_bpf_loader.c:62:
+	volatile int dummy = 0;

CHECK: Please don't use multiple blank lines
#157: FILE: kernel/kexec_bpf_loader.c:67:
+
+

ERROR: code indent should use tabs where possible
#191: FILE: kernel/kexec_bpf_loader.c:101:
+^I        context.kdump = false;$

ERROR: code indent should use tabs where possible
#193: FILE: kernel/kexec_bpf_loader.c:103:
+^I        context.kdump = true;$

CHECK: Blank lines aren't necessary after an open brace '{'
#199: FILE: kernel/kexec_bpf_loader.c:109:
+	while (file_has_bpf_section(kernel_start, kernel_sz)) {
+

WARNING: line length of 90 exceeds 80 columns
#203: FILE: kernel/kexec_bpf_loader.c:113:
+		file_get_section((const char *)kernel_start, ".bpf", &bpf_start, &bpf_sz);

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

total: 2 errors, 6 warnings, 5 checks, 205 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.

NOTE: Whitespace errors detected.
      You may wish to use scripts/cleanpatch or scripts/cleanfile

Commit ed82e424afaa ("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.