Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 2/2] virt/kvm: Replace spin_is_locked() with lockdep | Date | Wed, 9 Jan 2019 14:21:44 -0800 |
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lockdep_assert_held() is better suited to checking locking requirements, since it only checks if the current thread holds the lock regardless of whether someone else does. This is also a step towards possibly removing spin_is_locked().
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: <kvm@vger.kernel.org> --- virt/kvm/kvm_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 1f888a103f78..ec758bb7eeba 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -4078,7 +4078,7 @@ static int kvm_suspend(void) static void kvm_resume(void) { if (kvm_usage_count) { - WARN_ON(raw_spin_is_locked(&kvm_count_lock)); + lockdep_assert_held(&kvm_count_lock); hardware_enable_nolock(NULL); } } -- 2.17.1
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