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hv_balloon: Replace spin_is_locked() with lockdep

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lockdep_assert_held() is better suited to checking locking requirements,
since it won't get confused when someone else holds the lock. This is
also a step towards possibly removing spin_is_locked().

Signed-off-by: Lance Roy <ldr709@gmail.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lance Roy 2018-10-02 22:38:48 -07:00 committed by Greg Kroah-Hartman
parent f21996255f
commit 1c87dc897b
1 changed files with 1 additions and 1 deletions
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2
drivers/hv/hv_balloon.c
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@ -689,7 +689,7 @@ static void hv_page_online_one(struct hv_hotadd_state *has, struct page *pg)
__online_page_increment_counters(pg);
__online_page_free(pg);
WARN_ON_ONCE(!spin_is_locked(&dm_device.ha_lock));
lockdep_assert_held(&dm_device.ha_lock);
dm_device.num_pages_onlined++;
}