David S. Miller 02f7f61e5a Merge branch 'net-mvpp2-improve-the-interrupt-usage'
Antoine Tenart says:

====================
net: mvpp2: improve the interrupt usage

This series aims to improve the interrupts descriptions and usage in the
Marvell PPv2 driver.

- Before the series interrupts were named after their s/w usage,
  which in fact can be configured. The series rename all those
  interrupts and add a description of the ones left over.

- In PPv2 the interrupts are mapped to vectors. Those vectors were
  directly mapped to a given CPU, and per-cpu accesses were done. While
  this worked on our cases, the registers accesses mapped to the vectors
  are not actually linked to a given CPU. They instead are linked to
  what is called a "s/w thread". The series modify this so that the s/w
  threads are used instead of the CPU numbers, by adding an indirection.
  This means we now can have systems with more CPUs than s/w threads.

This is based on today's net-next, and was tested on various boards
using both versions of the PPv2 engine.

Two more patches will be coming, to update the device trees describing a
PPv2 engine. The patches are ready, but will go through a different
tree. I'll send them once this series will be accepted. This is not an
issue as the PPv2 driver keeps the dt bindings backward compatibility.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-19 21:09:55 -07:00
2018-09-01 01:36:08 +02:00

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.
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