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Sven Schnelle d60d7de3e1 lib/vdso: Allow to add architecture-specific vdso data
The initial assumption that all VDSO related data can be completely generic
does not hold. S390 needs architecture specific storage to access the clock
steering information.

Add struct arch_vdso_data to the vdso data struct. For architectures which
do not need extra data this defaults to an empty struct. Architectures
which require it, enable CONFIG_ARCH_HAS_VDSO_DATA and provide their
specific struct in asm/vdso/data.h.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200804150124.41692-2-svens@linux.ibm.com
2020-08-06 10:57:30 +02:00
Documentation It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
arch lib/vdso: Allow to add architecture-specific vdso data 2020-08-06 10:57:30 +02:00
block Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
certs .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
crypto It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
drivers It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
fs It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
include lib/vdso: Allow to add architecture-specific vdso data 2020-08-06 10:57:30 +02:00
init It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
ipc mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
kernel timekeeping/vsyscall: Provide vdso_update_begin/end() 2020-08-06 10:57:30 +02:00
lib vdso/treewide: Add vdso_data pointer argument to __arch_get_hw_counter() 2020-08-06 10:57:30 +02:00
mm It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
net It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
samples It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
scripts It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
security cap-checkpoint-restore-v5.9 2020-08-04 15:02:07 -07:00
sound Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
tools It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
usr usr: Add support for zstd compressed initramfs 2020-07-31 11:49:08 +02:00
virt entry: Provide infrastructure for work before transitioning to guest mode 2020-07-24 15:03:42 +02:00
.clang-format block: add bio_for_each_bvec_all() 2020-05-25 11:25:24 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: Add ZSTD-compressed files 2020-07-31 11:50:49 +02:00
.mailmap It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS CREDITS: Replace HTTP links with HTTPS ones 2020-07-23 14:53:58 -06:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS It's been a busy cycle for documentation - hopefully the busiest for a 2020-08-04 22:47:54 -07:00
Makefile Automatic variable initialization updates for v5.9-rc1 2020-08-04 13:38:35 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.

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.