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Jakub Kicinski says: ==================== net: improve core queue API handling while device is down The core netdev_rx_queue_restart() doesn't currently take into account that the device may be down. The current and proposed queue API implementations deal with this by rejecting queue API calls while the device is down. We can do better, in theory we can still allow devmem binding when the device is down - we shouldn't stop and start the queues just try to allocate the memory. The reason we allocate the memory is that memory provider binding checks if any compatible page pool has been created (page_pool_check_memory_provider()). Alternatively we could reject installing MP while the device is down but the MP assignment survives ifdown (so presumably MP doesn't cease to exist while down), and in general we allow configuration while down. Previously I thought we need this as a fix, but gve rejects page pool calls while down, and so did Saeed in the patches he posted. So this series just makes the core act more sensibly but practically should be a noop for now. v1: https://lore.kernel.org/20250205190131.564456-1-kuba@kernel.org ==================== Link: https://patch.msgid.link/20250206225638.1387810-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| fs | ||
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| init | ||
| io_uring | ||
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| .clang-format | ||
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| .cocciconfig | ||
| .editorconfig | ||
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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 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.