From 619a2785480f3275767b81a02cead33aaba4e801 Mon Sep 17 00:00:00 2001
From: "Michael S. Tsirkin" <mst@redhat.com>
Date: Fri, 9 Mar 2018 23:23:34 +0200
Subject: split-ring: generalize text

Update generic text to talk about available/used buffers, not rings.
Move some split-ring specific text to the correct section.

Update conformance section with link to the new conformance clause.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Approved-by: https://www.oasis-open.org/apps/org/workgroup/virtio/ballot.php?id=3177
Fixes: https://github.com/oasis-tcs/virtio-spec/issues/3
---
 content.tex | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'content.tex')

diff --git a/content.tex b/content.tex
index 60f51bb..c577133 100644
--- a/content.tex
+++ b/content.tex
@@ -381,12 +381,10 @@ of a device are live once the device has been reset.
 
 \drivernormative{\subsection}{Device Cleanup}{General Initialization And Device Operation / Device Cleanup}
 
-A driver MUST NOT alter descriptor table entries which have been
-exposed in the available ring (and not marked consumed by the device
-in the used ring) of a live virtqueue.
-
-A driver MUST NOT decrement the available \field{idx} on a live virtqueue (ie.
-there is no way to ``unexpose'' buffers).
+A driver MUST NOT alter virtqueue entries for exposed buffers -
+i.e. buffers which have been
+made available to the device (and not been used by the device)
+of a live virtqueue.
 
 Thus a driver MUST ensure a virtqueue isn't live (by device reset) before removing exposed buffers.
 
-- 
cgit v1.2.3

