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Octavian Purdila says: ==================== net_sched: sch_sfq: reject a derived limit of 1 Because sfq parameters can influence each other there can be situations where although the user sets a limit of 2 it can be lowered to 1: $ tc qdisc add dev dummy0 handle 1: root sfq limit 2 flows 1 depth 1 $ tc qdisc show dev dummy0 qdisc sfq 1: dev dummy0 root refcnt 2 limit 1p quantum 1514b depth 1 divisor 1024 $ tc qdisc add dev dummy0 handle 1: root sfq limit 2 flows 10 depth 1 divisor 1 $ tc qdisc show dev dummy0 qdisc sfq 2: root refcnt 2 limit 1p quantum 1514b depth 1 divisor 1 As a limit of 1 is invalid, this patch series moves the limit validation to after all configuration changes have been done. To do so, the configuration is done in a temporary work area then applied to the internal state. The patch series also adds new test cases. v3: - remove a couple of unnecessary comments - rearrange local variables to use reverse Christmas tree style declaration order v2: https://lore.kernel.org/all/20250402162750.1671155-1-tavip@google.com/ - remove tmp struct and directly use local variables v1: https://lore.kernel.org/all/20250328201634.3876474-1-tavip@google.com/ =================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
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| net | ||
| rust | ||
| samples | ||
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| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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 reStructuredText 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.