Having CONFIG_USB_ATM set and CONFIG_USB_DEBUG not set, syslogs are now overfed with kyriads of << usbatm_rx_process: xyzt callbacks suppressed >> messages per minute. Cf url & discussion on the gentoo-kernel mailing list. Reproducible: Always
Fixed as part of 3.12.19 thanks to Jiri Slabi. ------------------------------------- commit ec44c106c1641a532faaed93a7d26d4b3e90cc25 Author: Joe Perches <joe@perches.com> Date: Sat Oct 26 20:41:53 2013 -0700 printk: pr_debug_ratelimited: check state first to reduce "callbacks suppressed" messages pr_debug_ratelimited should be coded similarly to dev_dbg_ratelimited to reduce the "callbacks suppressed" messages. Add #include <linux/dynamic_debug.h> to printk.h. Unfortunately, this new #include must be after the prototype/declaration of function printk. It may be better to split out these _ratelimited declarations into a separate file one day. Any use of these pr_<foo>_ratelimited functions must also have another specific #include <ratelimited.h>. Most users have this done indirectly via #include <linux/kernel.h> printk.h may not #include <linux/ratelimit.h> as it causes circular dependencies and compilation failures. ---------------------------------- commit 1b667c7507f5a34d4f4d2a18c63ebba0139a6d70 Author: Joe Perches <joe@perches.com> Date: Sat Oct 26 20:49:24 2013 -0700 usbatm: Fix dynamic_debug / ratelimited atm_dbg and atm_rldbg macros Fix atm_dbg to use normal pr_debug not dynamic_pr_debug because dynamic_pr_debug may not be compiled in at all.
