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Vladimir Murzin f88f42f853 arm64: context: Free up kernel ASIDs if KPTI is not in use
We can extend user ASID space if it turns out that system does not
require KPTI. We start with kernel ASIDs reserved because CPU caps are
not finalized yet and free them up lazily on the next rollover if we
confirm than KPTI is not in use.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
2020-01-16 12:45:05 +00:00
arch arm64: context: Free up kernel ASIDs if KPTI is not in use 2020-01-16 12:45:05 +00:00
block
certs
crypto
Documentation Fixes for 5.5: 2019-12-22 10:59:06 -08:00
drivers block-5.5-20191221 2019-12-22 10:36:55 -08:00
fs Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-12-22 17:00:04 -08:00
include Ext4 bug fixes (including a regression fix) for 5.5 2019-12-22 10:41:48 -08:00
init
ipc
kernel
lib Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-12-22 17:00:04 -08:00
LICENSES
mm
net
samples
scripts
security
sound
tools
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS PPC: 2019-12-22 10:26:59 -08:00
Makefile Linux 5.5-rc3 2019-12-22 17:02:23 -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.