CHECK: Please use a blank line after function/struct/union/enum declarations
#204: FILE: include/linux/bpf.h:1392:
 }
+static inline int bpf_extension_link_prog(struct bpf_tramp_link *link,

CHECK: Alignment should match open parenthesis
#205: FILE: include/linux/bpf.h:1393:
+static inline int bpf_extension_link_prog(struct bpf_tramp_link *link,
+			    struct bpf_trampoline *tr,

WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP
#208: FILE: include/linux/bpf.h:1396:
+	return -ENOTSUPP;

CHECK: Please use a blank line after function/struct/union/enum declarations
#210: FILE: include/linux/bpf.h:1398:
+}
+static inline int bpf_extension_unlink_prog(struct bpf_tramp_link *link,

CHECK: Alignment should match open parenthesis
#211: FILE: include/linux/bpf.h:1399:
+static inline int bpf_extension_unlink_prog(struct bpf_tramp_link *link,
+			      struct bpf_trampoline *tr,

WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP
#214: FILE: include/linux/bpf.h:1402:
+	return -ENOTSUPP;

WARNING: line length of 86 exceeds 80 columns
#224: FILE: include/linux/bpf.h:1505:
+	u64 prog_array_member_cnt; /* counts how many times as member of prog_array */

WARNING: line length of 85 exceeds 80 columns
#225: FILE: include/linux/bpf.h:1506:
+	struct mutex ext_mutex; /* mutex for is_extended and prog_array_member_cnt */

WARNING: The commit message has 'Call Trace:', perhaps it also needs a 'Fixes:' tag?

total: 0 errors, 5 warnings, 4 checks, 186 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 4c4be8786bbb ("bpf: Prevent tailcall infinite loop caused by freplace") 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, 4 checks, 186 lines checked