Reduce warning message output to one line only instead of per
cpu.
Signed-of-by: Mike Travis <travis@sgi.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: x86@kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 {
 #ifdef CONFIG_SMP
        if (pm_idle == poll_idle && smp_num_siblings > 1) {
-               printk(KERN_WARNING "WARNING: polling idle and HT enabled,"
+               printk_once(KERN_WARNING "WARNING: polling idle and HT enabled,"
                        " performance may degrade.\n");
        }
 #endif