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Marc Zyngier e384976503 arm64: Document the requirement for SCR_EL3.HCE
It is amazing that we never documented this absolutely basic
requirement: if you boot the kernel at EL2, you'd better
enable the HVC instruction from EL3.

Really, just do it.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210812190213.2601506-6-maz@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2021-08-24 16:44:23 +01:00
Documentation arm64: Document the requirement for SCR_EL3.HCE 2021-08-24 16:44:23 +01:00
LICENSES
arch arm64: head: avoid over-mapping in map_memory 2021-08-24 16:44:23 +01:00
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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 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.