WARNING: Argument 'ptr' is not used in function-like macro
#75: FILE: include/asm-generic/barrier.h:288:
+#define cpu_poll_relax(ptr, val, timeout_ns)	cpu_relax()

WARNING: Argument 'val' is not used in function-like macro
#75: FILE: include/asm-generic/barrier.h:288:
+#define cpu_poll_relax(ptr, val, timeout_ns)	cpu_relax()

WARNING: Argument 'timeout_ns' is not used in function-like macro
#75: FILE: include/asm-generic/barrier.h:288:
+#define cpu_poll_relax(ptr, val, timeout_ns)	cpu_relax()

WARNING: please, no space before tabs
#106: FILE: include/asm-generic/barrier.h:319:
+^I^Iif (cond_expr) ^I^I^I^I^I^I\$

total: 0 errors, 4 warnings, 0 checks, 68 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 8a530cbf20f9 ("asm-generic: barrier: Add smp_cond_load_relaxed_timeout()") 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.
total: 0 errors, 4 warnings, 0 checks, 68 lines checked