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Christoffer Dall c6e0917b67 KVM: arm/arm64: vgic: Permit uaccess writes to return errors
Currently we do not allow any vgic mmio write operations to fail, which
makes sense from mmio traps from the guest.  However, we should be able
to report failures to userspace, if userspace writes incompatible values
to read-only registers.  Rework the internal interface to allow errors
to be returned on the write side for userspace writes.

Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2018-07-21 16:02:27 +01:00
arch arm64: KVM: Cleanup tpidr_el2 init on non-VHE 2018-07-21 16:02:17 +01:00
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MAINTAINERS dmaengine fixes for v4.18-rc4 2018-07-07 17:29:08 -07:00
Makefile Linux 4.18-rc4 2018-07-08 16:34:02 -07:00
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.