git: 3942e85b9921 - main - linuxkpi: Add WARN_RATELIMIT()

From: Jean-Sébastien Pédron <dumbbell_at_FreeBSD.org>
Date: Wed, 07 Jan 2026 21:50:29 UTC
The branch main has been updated by dumbbell:

URL: https://cgit.FreeBSD.org/src/commit/?id=3942e85b992138056841cd7c96ea20436a66b740

commit 3942e85b992138056841cd7c96ea20436a66b740
Author:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
AuthorDate: 2025-08-12 23:14:52 +0000
Commit:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
CommitDate: 2026-01-07 21:38:40 +0000

    linuxkpi: Add WARN_RATELIMIT()
    
    The i915 DRM driver started to use it in Linux 6.10.
    
    Reviewed by:    bz, christos
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D54493
---
 sys/compat/linuxkpi/common/include/linux/ratelimit.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/ratelimit.h b/sys/compat/linuxkpi/common/include/linux/ratelimit.h
index 9585b4b994d7..fdef57c7882d 100644
--- a/sys/compat/linuxkpi/common/include/linux/ratelimit.h
+++ b/sys/compat/linuxkpi/common/include/linux/ratelimit.h
@@ -14,4 +14,11 @@ struct ratelimit_state {
 #define ratelimit_state_init(x, y, z)
 #define ratelimit_set_flags(x, y)
 
+#define	WARN_RATELIMIT(condition, ...) ({		\
+	bool __ret_warn_on = (condition);		\
+	if (unlikely(__ret_warn_on))			\
+		pr_warn_ratelimited(__VA_ARGS__);	\
+	unlikely(__ret_warn_on);			\
+})
+
 #endif