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5e91bf5ce9
- single up_read() call vs. 4 - so much easier on eyes Technically it seems like @bad_area label moved up, but even in old regime, it was a special case of delivering SIGSEGV unconditionally which we now do as well, although with checks. Also note that @fault needs to be initialized since we can land in @bad_area (which reads it) without setting it up with return value of handle_mm_fault() - failing to do so did bite us although as a side effect of different patch: see [1] [1]: http://lists.infradead.org/pipermail/linux-snps-arc/2019-May/005803.html Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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.
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.