tools/virtio: stub might_sleep and synchronize_rcu

Add might_sleep() and synchronize_rcu() stubs needed by virtio_config.h.

might_sleep() is a no-op, synchronize_rcu doesn't work but we don't
need it to.

Created using Cursor CLI.

Message-ID: <5557e026335d808acd7b890693ee1382e73dd33a.1764873799.git.mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
index d7fc70b68a2b7ea0f1a260819c38e4fba6f51462..416d02703f614ebccc728b00f3554278e590c51a 100644 (file)
--- a/tools/virtio/linux/kernel.h
+++ b/tools/virtio/linux/kernel.h
@@ -144,6 +144,13 @@ static inline bool is_vmalloc_addr(const void *x)
        return false;
 }
 
+#define might_sleep() do { } while (0)
+
+static inline void synchronize_rcu(void)
+{
+       assert(0);
+}
+
 #define min(x, y) ({                           \
        typeof(x) _min1 = (x);                  \
        typeof(y) _min2 = (y);                  \