commit 5358c98819682e398299bfe423460bdf04f0956c
author Kyle Yan <kyan@codeaurora.org> Wed Oct 11 17:35:17 2017 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Thu Oct 12 19:09:19 2017 -0700
tree b0f66746e087c4dd9c83d35b51f577e6411bdc31
parent 9c9a0530abbb1b0a4824d29df3dd2d533081504f

Perf: arm64: Add additional CPUHP state for perf events

Previous hotplug notifier was overwriting cpu online notifiers which
are needed by various drivers in the kernel. Instead create a new state
right after CPUHP_AP_NOTIFY_ONLINE just for perf.

Change-Id: Ie740315c621a176ceff3ca13f52a48716eef5782
Signed-off-by: Kyle Yan <kyan@codeaurora.org>

include/linux/cpuhotplug.h

diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 6be0299..7a2ae2f 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -128,6 +128,7 @@
 	CPUHP_AP_WORKQUEUE_ONLINE,
 	CPUHP_AP_RCUTREE_ONLINE,
 	CPUHP_AP_NOTIFY_ONLINE,
+	CPUHP_AP_NOTIFY_PERF_ONLINE,
 	CPUHP_AP_ONLINE_DYN,
 	CPUHP_AP_ONLINE_DYN_END		= CPUHP_AP_ONLINE_DYN + 30,
 	CPUHP_AP_X86_HPET_ONLINE,