user/sven/linux.git/lib/dynamic_debug.c, branch v3.3.4

Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2011-10-25T10:13:59Z

* 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (38 commits) mm: memory hotplug: Check if pages are correctly reserved on a per-section basis Revert "memory hotplug: Correct page reservation checking" Update email address for stable patch submission dynamic_debug: fix undefined reference to `__netdev_printk' dynamic_debug: use a single printk() to emit messages dynamic_debug: remove num_enabled accounting dynamic_debug: consolidate repetitive struct _ddebug descriptor definitions uio: Support physical addresses >32 bits on 32-bit systems sysfs: add unsigned long cast to prevent compile warning drivers: base: print rejected matches with DEBUG_DRIVER memory hotplug: Correct page reservation checking memory hotplug: Refuse to add unaligned memory regions remove the messy code file Documentation/zh_CN/SubmitChecklist ARM: mxc: convert device creation to use platform_device_register_full new helper to create platform devices with dma mask docs/driver-model: Update device class docs docs/driver-model: Document device.groups kobj_uevent: Ignore if some listeners cannot handle message dynamic_debug: make netif_dbg() call __netdev_printk() dynamic_debug: make netdev_dbg() call __netdev_printk() ...

dynamic_debug: fix undefined reference to `__netdev_printk'

2011-10-18T18:22:01Z

Dynamic debug recently added support for netdev_printk. It uses __netdev_printk() to support this functionality. However, when CONFIG_NET is not set, we get the following error: lib/built-in.o: In function `__dynamic_netdev_dbg': (.text+0x9fda): undefined reference to `__netdev_printk' Fix this by making the call to netdev_printk() contingent upon CONFIG_NET. We could have fixed this by defining netdev_printk() to a 'no-op' in the !CONFIG_NET case. However, this is not consistent with how the networking layer uses netdev_printk. For example, CONFIG_NET is not set, netdev_printk() does not have a 'no-op' definition defined. Signed-off-by: Jason Baron Acked-by: Randy Dunlap Acked-by: Arnd Bergmann Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman

dynamic_debug: use a single printk() to emit messages

2011-10-18T18:22:00Z

We were using KERN_CONT to combine messages with their prefix. However, KERN_CONT is not smp safe, in the sense that it can interleave messages. This interleaving can result in printks coming out at the wrong loglevel. With the high frequency of printks that dynamic debug can produce this is not desirable. So make dynamic_emit_prefix() fill a char buf[64] instead of doing a printk directly. If we enable printing out of function, module, line, or pid info, they are placed in this 64 byte buffer. In my testing 64 bytes was enough size to fulfill all requests. Even if it's not, we can match up the printk itself to see where it's from, so to me this is no big deal. [akpm@linux-foundation.org: convert dangerous macro to C] Signed-off-by: Jason Baron Cc: Arnd Bergmann Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman

dynamic_debug: remove num_enabled accounting

2011-10-18T18:22:00Z

The num_enabled accounting isn't actually used anywhere - remove them. Signed-off-by: Jason Baron Cc: Arnd Bergmann Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman

Remove unneeded version.h include from lib/

2011-09-15T12:57:05Z

This patch removes an unneeded include of linux/version.h from lib/dynamic_debug.c - identified by 'make versioncheck'. This is the only file in lib/ with this issue. Signed-off-by: Jesper Juhl Signed-off-by: Jiri Kosina

dynamic_debug: make netdev_dbg() call __netdev_printk()

2011-08-23T01:23:06Z

Previously, if dynamic debug was enabled netdev_dbg() was using dynamic_dev_dbg() to print out the underlying msg. Fix this by making sure netdev_dbg() uses __netdev_printk(). Cc: David S. Miller Signed-off-by: Jason Baron Signed-off-by: Greg Kroah-Hartman

dynamic_debug: Convert printks to pr_

2011-08-23T01:23:05Z

Add pr_fmt(fmt) with __func__. Converts "ddebug:" prefix to "dynamic_debug:". Most likely the if (verbose) outputs could also be converted from pr_info to pr_debug. Signed-off-by: Joe Perches Signed-off-by: Jason Baron Signed-off-by: Greg Kroah-Hartman

dynamic_debug: Remove uses of KERN_CONT in dynamic_emit_prefix

2011-08-23T01:23:04Z

Multiple printks with KERN_CONT can be interleaved by other printks. Reduce the likelihood of that interleaving by consolidating multiple calls to printk. Signed-off-by: Joe Perches Signed-off-by: Jason Baron Signed-off-by: Greg Kroah-Hartman

dynamic_debug: Consolidate prefix output to single routine

2011-08-23T01:23:04Z

Adding dynamic_dev_dbg duplicated prefix output. Consolidate that output to a single routine. Signed-off-by: Joe Perches Signed-off-by: Jason Baron Signed-off-by: Greg Kroah-Hartman

dynamic_debug: Add __dynamic_dev_dbg

2011-08-23T01:23:04Z

Unlike dynamic_pr_debug, dynamic uses of dev_dbg can not currently add task_pid/KBUILD_MODNAME/__func__/__LINE__ to selected debug output. Add a new function similar to dynamic_pr_debug to optionally emit these prefixes. Cc: Aloisio Almeida Noticed-by: Aloisio Almeida Signed-off-by: Joe Perches Signed-off-by: Jason Baron Signed-off-by: Greg Kroah-Hartman