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Jakub Kicinski says: ==================== net: sched: update default qdisc visibility after Tx queue cnt changes Matthew noticed that number of children reported by mq does not match number of queues on reconfigured interfaces. For example if mq is instantiated when there is 8 queues it will always show 8 children, regardless of config being changed: # ethtool -L eth0 combined 8 # tc qdisc replace dev eth0 root handle 100: mq # tc qdisc show dev eth0 qdisc mq 100: root qdisc pfifo_fast 0: parent 100:8 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:7 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:6 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:5 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:4 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:3 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:2 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:1 bands 3 priomap 1 2 ... # ethtool -L eth0 combined 1 # tc qdisc show dev eth0 qdisc mq 100: root qdisc pfifo_fast 0: parent 100:8 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:7 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:6 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:5 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:4 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:3 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:2 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:1 bands 3 priomap 1 2 ... # ethtool -L eth0 combined 32 # tc qdisc show dev eth0 qdisc mq 100: root qdisc pfifo_fast 0: parent 100:8 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:7 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:6 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:5 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:4 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:3 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:2 bands 3 priomap 1 2 ... qdisc pfifo_fast 0: parent 100:1 bands 3 priomap 1 2 ... This patchset fixes this by hashing and unhasing the default child qdiscs as number of queues gets adjusted. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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| ipc | ||
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| .clang-format | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.