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Dmitry Safonov 70ddf65184 x86/vdso: Zap vvar pages when switching to a time namespace
The VVAR page layout depends on whether a task belongs to the root or
non-root time namespace. Whenever a task changes its namespace, the VVAR
page tables are cleared and then they will be re-faulted with a
corresponding layout.

Co-developed-by: Andrei Vagin <avagin@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20191112012724.250792-27-dima@arista.com
2020-01-14 12:20:59 +01:00
arch x86/vdso: Zap vvar pages when switching to a time namespace 2020-01-14 12:20:59 +01:00
block
certs
crypto
Documentation
drivers
fs fs/proc: Respect boottime inside time namespace for /proc/uptime 2020-01-14 12:20:56 +01:00
include x86/vdso: Zap vvar pages when switching to a time namespace 2020-01-14 12:20:59 +01:00
init lib/vdso: Prepare for time namespace support 2020-01-14 12:20:57 +01:00
ipc
kernel x86/vdso: Zap vvar pages when switching to a time namespace 2020-01-14 12:20:59 +01:00
lib lib/vdso: Prepare for time namespace support 2020-01-14 12:20:57 +01:00
LICENSES
mm x86/vdso: Handle faults on timens page 2020-01-14 12:20:58 +01:00
net
samples
scripts
security
sound
tools hrtimers: Prepare hrtimer_nanosleep() for time namespaces 2020-01-14 12:20:55 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS ns: Introduce Time Namespace 2020-01-14 12:20:48 +01:00
Makefile Linux 5.5-rc5 2020-01-05 14:23:27 -08:00
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.