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Christophe JAILLET 62d73261a0 can: m_can: Constify struct m_can_ops
'struct m_can_ops' is not modified in these drivers.

Constifying this structure moves some data to a read-only section, so
increase overall security.

On a x86_64, with allmodconfig, as an example:
Before:
======
   text	   data	    bss	    dec	    hex	filename
   4806	    520	      0	   5326	   14ce	drivers/net/can/m_can/m_can_pci.o

After:
=====
   text	   data	    bss	    dec	    hex	filename
   4862	    464	      0	   5326	   14ce	drivers/net/can/m_can/m_can_pci.o

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/all/a17b96d1be5341c11f263e1e45c9de1cb754e416.1719172843.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
History 2024-06-28 09:35:13 +02:00
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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.