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Julia Cartwright 77720c8291 powerpc/mpc52xx_gpt: make use of raw_spinlock variants
The mpc52xx_gpt code currently implements an irq_chip for handling
interrupts; due to how irq_chip handling is done, it's necessary for
the irq_chip methods to be invoked from hardirq context, even on a a
real-time kernel. Because the spinlock_t type becomes a "sleeping"
spinlock w/ RT kernels, it is not suitable to be used with irq_chips.

A quick audit of the operations under the lock reveal that they do
only minimal, bounded work, and are therefore safe to do under a raw
spinlock.

Signed-off-by: Julia Cartwright <julia@ni.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-01-27 21:12:04 +11:00
arch powerpc/mpc52xx_gpt: make use of raw_spinlock variants 2018-01-27 21:12:04 +11:00
block
certs
crypto
Documentation ocxl: Documentation 2018-01-27 20:02:24 +11:00
drivers macintosh/adb: Properly mark continued kernel messages 2018-01-27 21:10:22 +11:00
firmware
fs NFS client fixes for Linux 4.15-rc2 2017-12-01 20:04:20 -05:00
include PCI/AER: Add uevents in AER and EEH error/resume 2018-01-27 20:02:51 +11:00
init
ipc
kernel
lib RISC-V Cleanups and ABI Fixes for 4.15-rc2 2017-12-01 19:39:12 -05:00
mm
net NFS client fixes for Linux 4.15-rc2 2017-12-01 20:04:20 -05:00
samples
scripts
security
sound
tools powerpc/selftests: Check endianness on trap in TM 2018-01-22 05:48:37 +11:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS ocxl: add MAINTAINERS entry 2018-01-27 20:02:50 +11:00
Makefile Linux 4.15-rc2 2017-12-03 11:01:47 -05:00
README

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.