WARNING: line length of 87 exceeds 80 columns
#63: FILE: include/linux/btf.h:82:
+#define KF_FORBID_SLEEP  (1 << 17) /* acquired reference forbids sleeping while held */

CHECK: Prefer using the BIT macro
#63: FILE: include/linux/btf.h:82:
+#define KF_FORBID_SLEEP  (1 << 17) /* acquired reference forbids sleeping while held */

WARNING: line length of 92 exceeds 80 columns
#90: FILE: kernel/bpf/verifier.c:205:
+static int acquire_reference(struct bpf_verifier_env *env, int insn_idx, bool forbid_sleep);

WARNING: line length of 91 exceeds 80 columns
#133: FILE: kernel/bpf/verifier.c:1552:
+static int acquire_reference(struct bpf_verifier_env *env, int insn_idx, bool forbid_sleep)

WARNING: line length of 91 exceeds 80 columns
#164: FILE: kernel/bpf/verifier.c:10856:
+		if (env->subprog_info[subprog].might_sleep && !in_sleepable_context(env)) {

WARNING: line length of 82 exceeds 80 columns
#211: FILE: kernel/bpf/verifier.c:14232:
+		verbose(env, "sleepable kfunc %s in nosleep region\n", func_name);

WARNING: line length of 83 exceeds 80 columns
#242: FILE: kernel/bpf/verifier.c:20088:
+			if (old->refs[i].forbid_sleep != cur->refs[i].forbid_sleep)

WARNING: line length of 95 exceeds 80 columns
#253: FILE: kernel/bpf/verifier.c:24613:
+							  acquire_reference(env, 0, false) : 0;

total: 0 errors, 7 warnings, 1 checks, 184 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 1369adc61734 ("bpf: Add KF_FORBID_SLEEP modifier for KF_ACQUIRE kfuncs") 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, 7 warnings, 1 checks, 184 lines checked