KVM: x86: fix incorrect comparison in trace event

[ Upstream commit 147f1a1fe5d7e6b01b8df4d0cbd6f9eaf6b6c73b ]

The "u" field in the event has three states, -1/0/1.  Using u8 however means that
comparison with -1 will always fail, so change to signed char.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index 756b14e..df1076b 100644 (file)
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -336,7 +336,7 @@ TRACE_EVENT(
                /* These depend on page entry type, so compute them now.  */
                __field(bool, r)
                __field(bool, x)
-               __field(u8, u)
+               __field(signed char, u)
        ),
 
        TP_fast_assign(