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Commit a8e6da09 authored by Vaidyanathan Srinivasan's avatar Vaidyanathan Srinivasan Committed by Benjamin Herrenschmidt
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powerpc: Reduce printk from pseries_mach_cpu_die() 



Remove debug printks in pseries_mach_cpu_die().  These are
noisy at runtime.  Traceevents can be added to instrument this
section of code.

The following KERN_INFO printks are removed:

cpu 62 (hwid 62) returned from cede.
Decrementer value = b2802fff Timebase value = 2fa8f95035f4a
cpu 62 (hwid 62) got prodded to go online
cpu 58 (hwid 58) ceding for offline with hint 2

Signed-off-by: default avatarVaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 0212f260

arch/powerpc/platforms/pseries/hotplug-cpu.c

+0 −11
Original line number Diff line number Diff line
@@ -122,21 +122,10 @@ static void pseries_mach_cpu_die(void) 
		if (!get_lppaca()->shared_proc)

			get_lppaca()->donate_dedicated_cpu = 1;



		printk(KERN_INFO

			"cpu %u (hwid %u) ceding for offline with hint %d\n",

			cpu, hwcpu, cede_latency_hint);

		while (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) {

			extended_cede_processor(cede_latency_hint);

			printk(KERN_INFO "cpu %u (hwid %u) returned from cede.\n",

				cpu, hwcpu);

			printk(KERN_INFO

			"Decrementer value = %x Timebase value = %llx\n",

			get_dec(), get_tb());

		}



		printk(KERN_INFO "cpu %u (hwid %u) got prodded to go online\n",

			cpu, hwcpu);



		if (!get_lppaca()->shared_proc)

			get_lppaca()->donate_dedicated_cpu = 0;

		get_lppaca()->idle = 0;