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-rw-r--r--virtio-v1.0-wd01-part1-specification.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/virtio-v1.0-wd01-part1-specification.txt b/virtio-v1.0-wd01-part1-specification.txt
index 1c9df33..f8751ad 100644
--- a/virtio-v1.0-wd01-part1-specification.txt
+++ b/virtio-v1.0-wd01-part1-specification.txt
@@ -752,8 +752,9 @@ guest_feature_select
Selects which Feature Bits does guest_feature field refer to.
Value 0x0 selects Feature Bits 0 to 31
Value 0x1 selects Feature Bits 32 to 63
- All other values cause writes to guest_feature to be ignored,
- and reads to return 0.
+ When set to any other value, reads from guest_feature
+ return 0, writing 0 into guest_feature has no effect, and
+ writing any other value into guest_feature is an error.
guest_feature