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88eb1944e1
__netif_receive_skb_core() does a depressingly large amount of per-packet work that can't easily be listified, because the another_round looping makes it nontrivial to slice up into smaller functions. Fortunately, most of that work disappears in the fast path: * Hardware devices generally don't have an rx_handler * Unless you're tcpdumping or something, there is usually only one ptype * VLAN processing comes before the protocol ptype lookup, so doesn't force a pt_prev deliver so normally, __netif_receive_skb_core() will run straight through and pass back the one ptype found in ptype_base[hash of skb->protocol]. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| drivers | ||
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| include | ||
| init | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.