WARNING: Argument 'fregs' is not used in function-like macro
#110: FILE: include/linux/ftrace.h:207:
+#define arch_ftrace_fill_perf_regs(fregs, _regs) do {} while (0)

WARNING: Argument '_regs' is not used in function-like macro
#110: FILE: include/linux/ftrace.h:207:
+#define arch_ftrace_fill_perf_regs(fregs, _regs) do {} while (0)

total: 0 errors, 2 warnings, 0 checks, 87 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 e0d62d554fbe ("tracing: Add ftrace_fill_perf_regs() for perf event") 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, 2 warnings, 0 checks, 87 lines checked