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Commit 1afb56cf authored by Signed-off-by: Darren Hart's avatar Signed-off-by: Darren Hart Committed by Benjamin Herrenschmidt
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powerpc: Silence xics_migrate_irqs_away() during cpu offline 



All IRQs are migrated away from a CPU that is being offlined so the
following messages suggest a problem when the system is behaving as
designed:

IRQ 262 affinity broken off cpu 1
IRQ 17 affinity broken off cpu 0
IRQ 18 affinity broken off cpu 0
IRQ 19 affinity broken off cpu 0
IRQ 256 affinity broken off cpu 0
IRQ 261 affinity broken off cpu 0
IRQ 262 affinity broken off cpu 0

Don't print these messages when the CPU is not online.

Signed-off-by: default avatarDarren Hart <dvhltc@us.ibm.com>
Acked-by: default avatarWill Schmidt <will_schmidt@vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Nathan Fontenot <nfont@austin.ibm.com>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Cc: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 6685a477

arch/powerpc/platforms/pseries/xics.c

+4 −2
Original line number Diff line number Diff line
@@ -928,6 +928,8 @@ void xics_migrate_irqs_away(void) 
		if (xics_status[0] != hw_cpu)

			goto unlock;



		/* This is expected during cpu offline. */

		if (cpu_online(cpu))

			printk(KERN_WARNING "IRQ %u affinity broken off cpu %u\n",

			       virq, cpu);