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(parent: 09fd671) | patch
s390/cpum_cf: Fix missing cpu hotplug notifier transition
authorAnna-Maria Gleixner <anna-maria@linutronix.de>
Fri, 11 Mar 2016 10:52:37 +0000 (11:52 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 17 Mar 2016 12:18:24 +0000 (13:18 +0100)
commita987884295891f18fddf9c76d7d47c9486701560
tree6921a7f2ac914484b1596db00ee471fa6be7c06btree
parent09fd671ccb2475436bd5f597f751ca4a7d177aeacommit | diff
s390/cpum_cf: Fix missing cpu hotplug notifier transition

The cpumf_pmu_notfier() hotplug callback lacks handling of the
CPU_DOWN_FAILED case. That means, if CPU_DOWN_PREPARE failes, the PMC
of the CPU is not setup again.

Add handling for CPU_DOWN_FAILED transition to setup the PMC of the
CPU.

Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/perf_cpum_cf.c diff | blob | history
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