WARNING: line length of 91 exceeds 80 columns
#47: FILE: include/linux/ftrace.h:562:
+static inline int replace_ftrace_direct(struct ftrace_ops *ops, struct ftrace_ops *src_ops,

CHECK: Please use a blank line after function/struct/union/enum declarations
#47: FILE: include/linux/ftrace.h:562:
 }
+static inline int replace_ftrace_direct(struct ftrace_ops *ops, struct ftrace_ops *src_ops,

WARNING: line length of 87 exceeds 80 columns
#64: FILE: kernel/trace/ftrace.c:1731:
+ftrace_find_direct_ops_any_other(struct dyn_ftrace *rec, struct ftrace_ops *op_exclude)

CHECK: Blank lines aren't necessary after an open brace '{'
#70: FILE: kernel/trace/ftrace.c:1737:
+	do_for_each_ftrace_op(op, ftrace_ops_list) {
+

WARNING: line length of 89 exceeds 80 columns
#140: FILE: kernel/trace/ftrace.c:6095:
+			/* remove the ip from the hash, and this will make the trampoline

WARNING: line length of 95 exceeds 80 columns
#147: FILE: kernel/trace/ftrace.c:6102:
+				err = __unregister_ftrace_direct(src_ops, src_ops->direct_call,

WARNING: line length of 84 exceeds 80 columns
#150: FILE: kernel/trace/ftrace.c:6105:
+				err = ftrace_set_filter_ip(src_ops, iter->ip, 1, 0);

WARNING: From:/Signed-off-by: email address mismatch: 'From: Menglong Dong <menglong8.dong@gmail.com>' != 'Signed-off-by: Menglong Dong <dongml2@chinatelecom.cn>'

total: 0 errors, 6 warnings, 2 checks, 125 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 f82a0a485039 ("ftrace: supporting replace direct ftrace_ops") 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, 6 warnings, 2 checks, 125 lines checked