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Martijn Coenen 3393e59963 BACKPORT: loop: Rework lo_ioctl() __user argument casting 
In preparation for a new ioctl that needs to copy_from_user(); makes the
code easier to read as well.

Signed-off-by: Martijn Coenen <maco@android.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit 571fae6e29)
Bug: 148607611
Change-Id: Ie37d0ed6bfc91d2a55c070446e5c54c8343a7170
2020-08-10 19:48:02 +02:00
android ANDROID: GKI: update the ABI xml 2020-08-06 12:16:29 -07:00
arch This is the 4.19.138 stable release 2020-08-07 10:09:24 +02:00
block Merge 4.19.133 into android-4.19-stable 2020-07-17 07:54:52 +02:00
certs export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR() 2018-08-22 23:21:44 +09:00
crypto This is the 4.19.132 stable release 2020-07-09 11:20:59 +02:00
Documentation This is the 4.19.134 stable release 2020-07-22 13:03:12 +02:00
drivers BACKPORT: loop: Rework lo_ioctl() __user argument casting 2020-08-10 19:48:02 +02:00
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:21:29 +01:00
fs This is the 4.19.138 stable release 2020-08-07 10:09:24 +02:00
include This is the 4.19.138 stable release 2020-08-07 10:09:24 +02:00
init This is the 4.19.134 stable release 2020-07-22 13:03:12 +02:00
ipc Revert "ANDROID: vfs: Add permission2 for filesystems with per mount permissions" 2020-06-27 15:17:42 +02:00
kernel This is the 4.19.138 stable release 2020-08-07 10:09:24 +02:00
lib This is the 4.19.138 stable release 2020-08-07 10:09:24 +02:00
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
mm This is the 4.19.135 stable release 2020-07-29 13:22:30 +02:00
net This is the 4.19.137 stable release 2020-08-05 12:07:48 +02:00
samples This is the 4.19.126 stable release 2020-06-03 09:23:15 +02:00
scripts This is the 4.19.135 stable release 2020-07-29 13:22:30 +02:00
security This is the 4.19.134 stable release 2020-07-22 13:03:12 +02:00
sound This is the 4.19.135 stable release 2020-07-29 13:22:30 +02:00
tools This is the 4.19.137 stable release 2020-08-05 12:07:48 +02:00
usr initramfs: restore default compression behavior 2020-04-13 10:44:59 +02:00
virt KVM: arm64: Synchronize sysreg state on injecting an AArch32 exception 2020-06-22 09:05:09 +02:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
build.config.aarch64 ANDROID: add compat cross compiler 2020-04-27 22:52:19 -07:00
build.config.allmodconfig ANDROID: build.config.allmodconfig: Re-enable XFS_FS 2020-04-17 08:41:31 +00:00
build.config.allmodconfig.aarch64 ANDROID: Add allmodconfig build.configs for x86_64 and aarch64 2019-11-12 20:55:23 +00:00
build.config.allmodconfig.arm ANDROID: Add build.config files for ARM 32-bit 2020-03-16 17:43:55 +00:00
build.config.allmodconfig.x86_64 ANDROID: Add allmodconfig build.configs for x86_64 and aarch64 2019-11-12 20:55:23 +00:00
build.config.arm ANDROID: Add build.config files for ARM 32-bit 2020-03-16 17:43:55 +00:00
build.config.common ANDROID: update the kernel release format for GKI 2020-07-27 22:22:43 +00:00
build.config.gki ANDROID: gki: Removed cf modules from gki_defconfig 2020-01-31 16:23:38 -08:00
build.config.gki_kasan ANDROID: Rename build.config.gki.arch_kasan 2020-05-05 20:46:14 +00:00
build.config.gki_kasan.aarch64 ANDROID: Drop ABI monitoring from KASAN build config 2020-05-06 11:13:09 +00:00
build.config.gki_kasan.x86_64 ANDROID: Rename build.config.gki.arch_kasan 2020-05-05 20:46:14 +00:00
build.config.gki-debug.aarch64 ANDROID: build: update ABI definitions 2020-07-28 17:39:44 +00:00
build.config.gki-debug.x86_64 ANDROID: build: update ABI definitions 2020-07-28 17:39:44 +00:00
build.config.gki.aarch64 ANDROID: Enforce KMI stability 2020-08-06 17:11:23 +00:00
build.config.gki.x86_64 ANDROID: refactor build.config files to remove duplication 2019-10-22 18:27:12 -07:00
build.config.x86_64 ANDROID: refactor build.config files to remove duplication 2019-10-22 18:27:12 -07:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS 9p: remove Ron Minnich from MAINTAINERS 2018-08-17 16:20:26 -07:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS This is the 4.19.107 stable release 2020-03-03 07:33:01 +01:00
Makefile This is the 4.19.138 stable release 2020-08-07 10:09:24 +02:00
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -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.
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.