CHECK: spaces preferred around that '*' (ctx:WxV)
#202: FILE: tools/testing/selftests/proc/proc-remove-slow-sysctl.c:130:
+			     FIXTURE_DATA(proc_sys_slow) *self,
 			                                 ^

WARNING: line length of 83 exceeds 80 columns
#225: FILE: tools/testing/selftests/proc/proc-remove-slow-sysctl.c:153:
+		TH_LOG("unregistering " CONF_PATH " waited for the faulting task");

CHECK: From:/Signed-off-by: email comments mismatch: 'From: Christian Brauner <brauner@kernel.org>' != 'Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>'

total: 0 errors, 1 warnings, 2 checks, 230 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 3aeac2718eb1 ("selftests/proc: check that faulting sysctl accesses don't hold up removal") 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, 1 warnings, 2 checks, 230 lines checked