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Peter Collingbourne 5e52a76ebb UPSTREAM: arm64: vdso: Build vDSO with -ffixed-x18
The vDSO needs to be built with x18 reserved in order to accommodate
userspace platform ABIs built on top of Linux that use the register
to carry inter-procedural state, as provided for by the AAPCS.
An example of such a platform ABI is the one that will be used by an
upcoming version of Android.

Although this change is currently a no-op due to the fact that the vDSO
is currently implemented in pure assembly on arm64, it is necessary
in order to prepare for using the generic C implementation of the vDSO.

[ tglx: Massaged changelog ]

Signed-off-by: Peter Collingbourne <pcc@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Shijith Thotton <sthotton@marvell.com>
Tested-by: Andre Przywara <andre.przywara@arm.com>
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mips@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Mark Salyzyn <salyzyn@android.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Dmitry Safonov <0x7f454c46@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Huw Davies <huw@codeweavers.com>
Cc: Mark Salyzyn <salyzyn@google.com>
Link: https://lkml.kernel.org/r/20190621095252.32307-6-vincenzo.frascino@arm.com
(cherry picked from commit 98cd3c3f83fbba27a6bacd75ad12e8388a61a32a)
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 154668398

Change-Id: Idfb841361c2942ee12bfe963642c8d9ebb18d2ad
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
2020-09-20 22:22:06 +05:30
arch UPSTREAM: arm64: vdso: Build vDSO with -ffixed-x18 2020-09-20 22:22:06 +05:30
block ANDROID: block: backport the ability to specify max_dun_bytes 2020-05-14 15:44:27 -07:00
certs export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR() 2018-08-22 23:21:44 +09:00
crypto This is the 4.19.124 stable release 2020-05-20 11:37:46 +02:00
Documentation Reverting below patches from android-4.19-stable.125 2020-07-29 13:12:56 +05:30
drivers Revert "drm/dsi: Fix byte order of DCS set/get brightness" 2020-08-11 11:17:44 +05:30
firmware Fix built-in early-load Intel microcode alignment 2020-01-23 08:21:29 +01:00
fs Reverting below patches from android-4.19-stable.125 2020-07-29 13:12:56 +05:30
include Revert "drm/dsi: Fix byte order of DCS set/get brightness" 2020-08-11 11:17:44 +05:30
init This is the 4.19.124 stable release 2020-05-20 11:37:46 +02:00
ipc This is the 4.19.124 stable release 2020-05-20 11:37:46 +02:00
kernel Reverting below patches from android-4.19-stable.125 2020-07-29 13:12:56 +05:30
lib Reverting below patches from android-4.19-stable.125 2020-07-29 13:12:56 +05:30
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
mm Reverting below patches from android-4.19-stable.125 2020-07-29 13:12:56 +05:30
net This is the 4.19.125 stable release 2020-05-28 12:20:07 +02:00
samples This is the 4.19.119 stable release 2020-04-29 17:26:17 +02:00
scripts This is the 4.19.125 stable release 2020-05-28 12:20:07 +02:00
security This is the 4.19.125 stable release 2020-05-28 12:20:07 +02:00
sound This is the 4.19.125 stable release 2020-05-28 12:20:07 +02:00
tools Reverting below patches from android-4.19-stable.125 2020-07-29 13:12:56 +05:30
usr initramfs: restore default compression behavior 2020-04-13 10:44:59 +02:00
virt KVM: arm64: Fix 32bit PC wrap-around 2020-05-14 07:57:20 +02:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.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
abi_gki_aarch64.xml ANDROID: Update the ABI xml and qcom whitelist 2020-05-21 00:06:37 -07:00
abi_gki_aarch64_cuttlefish_whitelist ANDROID: abi_gki_aarch64_cuttlefish_whitelist: remove stale symbols 2020-04-29 10:52:02 +00:00
abi_gki_aarch64_qcom_whitelist ANDROID: Update the ABI xml and qcom whitelist 2020-05-21 00:06:37 -07:00
abi_gki_aarch64_whitelist ANDROID: GKI: Update the ABI xml and whitelist 2020-05-14 15:58:13 -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: clang: update to 11.0.1 2020-05-18 19:33:08 +00:00
build.config.gki ANDROID: gki: Removed cf modules from gki_defconfig 2020-01-31 16:23:38 -08:00
build.config.gki-debug.aarch64 ANDROID: Fix build.config.gki-debug 2020-05-20 11:50:18 +00:00
build.config.gki-debug.x86_64 ANDROID: Fix build.config.gki-debug 2020-05-20 11:50:18 +00:00
build.config.gki.aarch64 ANDROID: build.config.gki.aarch64: Enable WHITELIST_STRICT_MODE 2020-05-07 08:12:23 +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.gki_kasan ANDROID: Rename build.config.gki.arch_kasan 2020-05-13 15:10:51 +00:00
build.config.gki_kasan.aarch64 ANDROID: Drop ABI monitoring from KASAN build config 2020-05-13 15:11:47 +00:00
build.config.gki_kasan.x86_64 ANDROID: Rename build.config.gki.arch_kasan 2020-05-13 15:10:51 +00:00
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 4.19.125 stable release 2020-05-28 12:20:07 +02:00
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -06:00

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.