Re: [PATCH v2 0/4] Introduce the Counter character device interface

From: David Lechner
Date: Tue Jun 02 2020 - 11:18:18 EST


On 5/31/20 12:14 PM, William Breathitt Gray wrote:
Yielding the following /dev/counter0 memory layout:

+------------+-----------------+------------+-------------------+
| Byte 0 | Byte 1 - Byte 8 | Byte 9 | Byte 10 - Byte 17 |
+------------+-----------------+------------+-------------------+
| Boundary 0 | Count 0 | Boundary 1 | Count 1 |
+------------+-----------------+------------+-------------------+

A potential pitfall with this sort of packing is that some platforms
do not support unaligned access, so data would have to be "unpacked"
before it could be used.