Re: [PATCH 1/2] bug: Provide WARN_ON.*DEFERRED() macros for console deferred output
From: Peter Zijlstra <peterz@infradead.org>
Date: 2026-06-24 09:31:30
Also in:
linux-arch, lkml, sched-ext
On Tue, Jun 23, 2026 at 04:26:49PM +0200, Sebastian Andrzej Siewior wrote:
+#ifndef WARN_ON_DEFERRED
+#define WARN_ON_DEFERRED(condition) ({ \
+ int __ret_warn_on = !!(condition); \
+ if (unlikely(__ret_warn_on)) { \
+ guard(preempt)(); \
+ printk_deferred_enter() \
+ __WARN(); \
+ printk_deferred_exit() \
+ } \
+ unlikely(__ret_warn_on); \
+})
+#endifThis will generate atrocious shite at the WARN sites.