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Mark Rutland 0df52582e0 kcov: remove stale RANDOMIZE_BASE text 
The Kconfig help text for CONFIG_KCOV describes that recorded PC values
will not be stable across machines or reboots when RANDOMIZE_BASE is
selected.  This was the case when KCOV was introduced in commit:

  5c9a8750a6 ("kernel: add kcov code coverage")

However, this changed in commit:

  4983f0ab7f ("kcov: make kcov work properly with KASLR enabled")

Since that commit KCOV always subtracts the KASLR offset from PC values,
which ensures that these are stable across machines and across reboots
even when RANDOMIZE_BASE is selected.

Unfortunately, that commit failed to update the Kconfig help text, which
still suggests disabling RANDOMIZE_BASE even though this is no longer
necessary.

Remove the stale Kconfig text.

Link: https://lkml.kernel.org/r/20231204171807.3313022-1-mark.rutland@arm.com
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Alexander Popov <alex.popov@linux.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
History 2023-12-20 15:02:57 -08:00
arch riscv, kexec: fix the ifdeffery for AFLAGS_kexec_relocate.o 2023-12-20 15:02:57 -08:00
block block-6.7-2023-12-01 2023-12-02 06:39:30 +09:00
certs This update includes the following changes: 2023-11-02 16:15:30 -10:00
crypto This push fixes a regression in ahash and hides the Kconfig sub-options for the jitter RNG. 2023-11-09 17:04:58 -08:00
Documentation docs: filesystems: document the squashfs specific mount options 2023-12-10 17:21:31 -08:00
drivers usb: fsl-mph-dr-of: mark fsl_usb2_mpc5121_init() static 2023-12-10 17:21:43 -08:00
fs nilfs2: convert nilfs_page_bug() to nilfs_folio_bug() 2023-12-10 17:21:48 -08:00
include kexec_file: add kexec_file flag to control debug printing 2023-12-20 15:02:57 -08:00
init arch: remove ARCH_TASK_STRUCT_ON_STACK 2023-12-10 17:21:31 -08:00
io_uring io_uring: use fget/fput consistently 2023-11-28 11:56:29 -07:00
ipc Many singleton patches against the MM code. The patch series which are 2023-11-02 19:38:47 -10:00
kernel kexec_file: print out debugging message if required 2023-12-20 15:02:57 -08:00
lib kcov: remove stale RANDOMIZE_BASE text 2023-12-20 15:02:57 -08:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/mglru: reclaim offlined memcgs harder 2023-12-12 17:20:20 -08:00
net wireless fixes: 2023-11-29 19:43:34 -08:00
rust Kbuild updates for v6.7 2023-11-04 08:07:19 -10:00
samples Landlock updates for v6.7-rc1 2023-11-03 09:28:53 -10:00
scripts Makefile.extrawarn: turn on missing-prototypes globally 2023-12-20 15:02:57 -08:00
security kexec_file: print out debugging message if required 2023-12-20 15:02:57 -08:00
sound ALSA: hda: Disable power-save on KONTRON SinglePC 2023-11-30 16:14:21 +01:00
tools Revert "selftests: error out if kernel header files are not yet built" 2023-12-12 17:20:19 -08:00
usr arch: Remove Itanium (IA-64) architecture 2023-09-11 08:13:17 +00:00
virt ARM: 2023-09-07 13:52:20 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: generate kernel.spec in rpmbuild/SPECS/ 2023-10-03 20:49:09 +09:00
.mailmap .mailmap: add a new address mapping for Chester Lin 2023-12-06 16:12:45 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: drop Antti Palosaari 2023-12-06 16:12:49 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Merge branch 'master' into mm-hotfixes-stable 2023-12-06 17:03:50 -08:00
Makefile checkstack: allow to pass MINSTACKSIZE parameter 2023-12-10 17:21:32 -08:00
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.