linux-kernel - [PATCH 06/14] tools/virtio: add dev_WARN_ONCE and is_vmalloc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <749e7a03b7cd56baf50a27efc3b05e50cf8f36b6.1764873799.git.mst@redhat.com>
Date: Thu, 4 Dec 2025 13:46:13 -0500
From: "Michael S. Tsirkin" <mst@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Eugenio Pérez <eperezma@...hat.com>,
	virtualization@...ts.linux.dev
Subject: [PATCH 06/14] tools/virtio: add dev_WARN_ONCE and is_vmalloc_addr
 stubs

Add dev_WARN_ONCE and is_vmalloc_addr stubs needed by virtio_ring.c.
is_vmalloc_addr stub always returns false - that's fine since it's
merely a sanity check.

Created using Cursor CLI.

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
---
 tools/virtio/linux/kernel.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
index 6702008f7f5c..d7fc70b68a2b 100644
--- a/tools/virtio/linux/kernel.h
+++ b/tools/virtio/linux/kernel.h
@@ -14,6 +14,7 @@
 #include <linux/log2.h>
 #include <linux/types.h>
 #include <linux/overflow.h>
+#include <linux/limits.h>
 #include <linux/list.h>
 #include <linux/printk.h>
 #include <linux/bug.h>
@@ -135,6 +136,14 @@ static inline void *krealloc_array(void *p, size_t new_n, size_t new_size, gfp_t
 #define dev_warn(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
 #define dev_warn_once(dev, format, ...) fprintf (stderr, format, ## __VA_ARGS__)
 
+#define dev_WARN_ONCE(dev, condition, format...) \
+	WARN_ONCE(condition, format)
+
+static inline bool is_vmalloc_addr(const void *x)
+{
+	return false;
+}
+
 #define min(x, y) ({				\
 	typeof(x) _min1 = (x);			\
 	typeof(y) _min2 = (y);			\
-- 
MST