hvf: Determine slot count from struct layout

We can handle up to a static amount of memory slots, capped by the size of
an internal array.

Let's make sure that array size is the only source of truth for the number
of elements in that array.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211008054616.43828-1-agraf@csgraf.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/accel/hvf/hvf-accel-ops.c b/accel/hvf/hvf-accel-ops.c
index 6cbd2c3f97e622b6074d7d562a0c356213d1ed20..2b2c411076d0b0ed434fb362d1a38fcf1f910497 100644 (file)
--- a/accel/hvf/hvf-accel-ops.c
+++ b/accel/hvf/hvf-accel-ops.c
@@ -321,7 +321,7 @@ static int hvf_accel_init(MachineState *ms)
 
     s = g_new0(HVFState, 1);
 
-    s->num_slots = 32;
+    s->num_slots = ARRAY_SIZE(s->slots);
     for (x = 0; x < s->num_slots; ++x) {
         s->slots[x].size = 0;
         s->slots[x].slot_id = x;