diff options
Diffstat (limited to 'virtio-v1.0-wd01-part1-specification.txt')
| -rw-r--r-- | virtio-v1.0-wd01-part1-specification.txt | 5 |
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 |