linux-kernel - [PATCH 4/5] cpu/hotplug: Add locked variant of cpuhp_state_add

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Message-Id: <93599efb6ea546370dd470a31f8e8cf97764a31e.1549299188.git.robin.murphy@arm.com>
Date:   Mon,  4 Feb 2019 17:09:07 +0000
From:   Robin Murphy <robin.murphy@....com>
To:     will.deacon@....com, mark.rutland@....com
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        suzuki.poulose@....com, peterz@...radead.org, tglx@...utronix.de,
        bigeasy@...utronix.de
Subject: [PATCH 4/5] cpu/hotplug: Add locked variant of cpuhp_state_add_instance()

A helper already exists for nearly every combination of parameters,
except of course the one that I now need.

Signed-off-by: Robin Murphy <robin.murphy@....com>
---
 include/linux/cpuhotplug.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index fd586d0301e7..1d6231fe1590 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -290,6 +290,12 @@ static inline int cpuhp_state_add_instance(enum cpuhp_state state,
 	return __cpuhp_state_add_instance(state, node, true);
 }
 
+static inline int cpuhp_state_add_instance_cpuslocked(enum cpuhp_state state,
+						      struct hlist_node *node)
+{
+	return __cpuhp_state_add_instance_cpuslocked(state, node, true);
+}
+
 /**
  * cpuhp_state_add_instance_nocalls - Add an instance for a state without
  *                                    invoking the startup callback.
-- 
2.20.1.dirty