cpu/hotplug: Use distinct name for cpu_hotplug.dep_map

Use distinctive name for cpu_hotplug.dep_map to avoid the actual
cpu_hotplug.lock appearing as cpu_hotplug.lock#2 in lockdep splats.

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Gautham R . Shenoy <ego@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: intel-gfx@lists.freedesktop.org
Cc: trivial@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 5df20d6d152071b40244fb5d85279b8040a641ba..29de1a9352c005c0d4808d2f842c15d29df1b2f8 100644 (file)
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -228,7 +228,7 @@ static struct {
        .wq = __WAIT_QUEUE_HEAD_INITIALIZER(cpu_hotplug.wq),
        .lock = __MUTEX_INITIALIZER(cpu_hotplug.lock),
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
-       .dep_map = {.name = "cpu_hotplug.lock" },
+       .dep_map = STATIC_LOCKDEP_MAP_INIT("cpu_hotplug.dep_map", &cpu_hotplug.dep_map),
 #endif
 };