WARNING: line length of 91 exceeds 80 columns
#23: FILE: kernel/bpf/rqspinlock.c:669:
+static void bpf_prog_report_rqspinlock_violation(const char *str, void *lock, bool irqsave)

WARNING: line length of 90 exceeds 80 columns
#31: FILE: kernel/bpf/rqspinlock.c:677:
+	if (atomic_long_fetch_add(1, &prog->aux->error_count) >= BPF_PROG_ERROR_COUNT_MAX)

WARNING: line length of 108 exceeds 80 columns
#33: FILE: kernel/bpf/rqspinlock.c:679:
+	bpf_prog_stderr_printk(prog, "ERROR: %s for bpf_res_spin_lock%s\n", str, irqsave ? "_irqsave" : "");

WARNING: Using vsprintf specifier '%px' potentially exposes the kernel memory layout, if you don't really need the address please consider using '%p'.
#34: FILE: kernel/bpf/rqspinlock.c:680:
+	bpf_prog_stderr_printk(prog, "Attempted lock   = 0x%px\n", lock);

WARNING: Using vsprintf specifier '%px' potentially exposes the kernel memory layout, if you don't really need the address please consider using '%p'.
#36: FILE: kernel/bpf/rqspinlock.c:682:
+	for (int i = 0; i < min(RES_NR_HELD, rqh->cnt); i++)
+		bpf_prog_stderr_printk(prog, "Held lock[%2d] = 0x%px\n", i, rqh->locks[i]);

WARNING: line length of 91 exceeds 80 columns
#37: FILE: kernel/bpf/rqspinlock.c:683:
+		bpf_prog_stderr_printk(prog, "Held lock[%2d] = 0x%px\n", i, rqh->locks[i]);

WARNING: Using vsprintf specifier '%px' potentially exposes the kernel memory layout, if you don't really need the address please consider using '%p'.
#37: FILE: kernel/bpf/rqspinlock.c:683:
+		bpf_prog_stderr_printk(prog, "Held lock[%2d] = 0x%px\n", i, rqh->locks[i]);

WARNING: line length of 104 exceeds 80 columns
#41: FILE: kernel/bpf/rqspinlock.c:687:
+#define REPORT_STR(ret) ({ (ret) == -ETIMEDOUT ? "Timeout detected" : "AA or ABBA deadlock detected"; })

WARNING: line length of 83 exceeds 80 columns
#50: FILE: kernel/bpf/rqspinlock.c:699:
+		bpf_prog_report_rqspinlock_violation(REPORT_STR(ret), lock, false);

WARNING: line length of 82 exceeds 80 columns
#58: FILE: kernel/bpf/rqspinlock.c:722:
+		bpf_prog_report_rqspinlock_violation(REPORT_STR(ret), lock, true);

total: 0 errors, 10 warnings, 0 checks, 40 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 687e03be059c ("bpf: Report rqspinlock deadlocks/timeout to BPF stderr") 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, 10 warnings, 0 checks, 40 lines checked