ring-buffer: use CONFIG_HOTPLUG_CPU not CONFIG_HOTPLUG

The hotplug code in the ring buffers is for use with CPU hotplug,
not generic hotplug.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
This commit is contained in:
Steven Rostedt 2009-03-12 11:46:03 -04:00
commit 59222efe2d