在 2023/2/21 下午7:48, David Edmondson 写道:
On Tuesday, 2023-02-21 at 16:38:52 +08, Heng Qi wrote:
...
+A device MAY set the coalescing parameter to a value close to a power of 2
value.
What is this about?
If it is intended to indicate that a device may use a value different to
that passed by the driver, more text to describe that would be
Yes. How about adding the following explanation to the "Operation"
subparagraph?
"
When a device receives the VIRTIO_NET_CTRL_NOTF_COAL commands to set an
coalescing parameter, it may set the parameter to a value close to a
power of 2. For example:
If the VIRTIO_NET_CTRL_NOTF_COAL_VQ_SET command with \field{max_usecs} =
7 is received, the device may set \field{max_usecs} = 8 for a given
enabled virtqueue.
"
Thanks.
useful. If not, what does it mean?
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