compat: add rcu_read_lock_held()

just the version without lock debug support is implemented, if you want
to debug the logs use a more recent kernel version.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/include/linux/compat-2.6.34.h b/include/linux/compat-2.6.34.h
index 7bda52b78aba7d92f61d6cd71c26194aba70c028..0ab344cec0d09373f40f7ef4174b8b5dad73a17d 100644 (file)
--- a/include/linux/compat-2.6.34.h
+++ b/include/linux/compat-2.6.34.h
@@ -262,6 +262,11 @@ static inline int usb_disable_autosuspend(struct usb_device *udev)
 #define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
 #define round_down(x, y) ((x) & ~__round_mask(x, y))
 
+static inline int rcu_read_lock_held(void)
+{
+       return 1;
+}
+
 #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)) */
 
 #endif /* LINUX_26_34_COMPAT_H */