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62d7f40503
Declare PP_FLAG_ALLOW_UNREADABLE_NETMEM to turn on unreadable netmem support in GVE. We also drop any net_iov packets where header split is not enabled. We're unable to process packets where the header landed in unreadable netmem. Use page_pool_dma_sync_netmem_for_cpu in lieu of dma_sync_single_range_for_cpu to correctly handle unreadable netmem that should not be dma-sync'd. Disable rx_copybreak optimization if payload is unreadable netmem as that needs access to the payload. Signed-off-by: Mina Almasry <almasrymina@google.com> Signed-off-by: Ziwei Xiao <ziweixiao@google.com> Signed-off-by: Harshitha Ramamurthy <hramamurthy@google.com> Link: https://patch.msgid.link/20250818210507.3781705-1-hramamurthy@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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.