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Message-Id: <1423199216-2094-5-git-send-email-rusty@rustcorp.com.au>
Date: Fri, 6 Feb 2015 15:36:55 +1030
From: Rusty Russell <rusty@...tcorp.com.au>
To: "lkml" <linux-kernel@...r.kernel.org>
Cc: "Michael S. Tsirkin" <mst@...hat.com>
Subject: [PATCH 4/5] virtio: Don't expose legacy config features when VIRTIO_CONFIG_NO_LEGACY defined.
The VIRTIO_F_ANY_LAYOUT and VIRTIO_F_NOTIFY_ON_EMPTY features are pre-1.0
only.
Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
---
include/uapi/linux/virtio_config.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h
index a6d0cdeaacd4..c18264df9504 100644
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -49,12 +49,14 @@
#define VIRTIO_TRANSPORT_F_START 28
#define VIRTIO_TRANSPORT_F_END 33
+#ifndef VIRTIO_CONFIG_NO_LEGACY
/* Do we get callbacks when the ring is completely used, even if we've
* suppressed them? */
#define VIRTIO_F_NOTIFY_ON_EMPTY 24
/* Can the device handle any descriptor layout? */
#define VIRTIO_F_ANY_LAYOUT 27
+#endif /* VIRTIO_CONFIG_NO_LEGACY */
/* v1.0 compliant. */
#define VIRTIO_F_VERSION_1 32
--
2.1.0
--
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