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Read and write of some registers like ISPENDR and ICPENDR from userspace requires special handling when compared to guest access for these registers. Refer to Documentation/virtual/kvm/devices/arm-vgic-v3.txt for handling of ISPENDR, ICPENDR registers handling. Add infrastructure to support guest and userspace read and write for the required registers Also moved vgic_uaccess from vgic-mmio-v2.c to vgic-mmio.c Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com> Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.