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Filename Latest commit message Latest commit date
Alexandre Ghiti e7142bf5d2 arm64, mm: make randomization selected by generic topdown mmap layout
This commits selects ARCH_HAS_ELF_RANDOMIZE when an arch uses the generic
topdown mmap layout functions so that this security feature is on by
default.

Note that this commit also removes the possibility for arm64 to have elf
randomization and no MMU: without MMU, the security added by randomization
is worth nothing.

Link: http://lkml.kernel.org/r/20190730055113.23635-6-alex@ghiti.fr
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:11 -07:00
arch arm64, mm: make randomization selected by generic topdown mmap layout 2019-09-24 15:54:11 -07:00
block
certs
crypto - crypto and DM crypt advances that allow the crypto API to reclaim 2019-09-21 10:40:37 -07:00
Documentation memcg, kmem: deprecate kmem.limit_in_bytes 2019-09-24 15:54:10 -07:00
drivers mm,thp: stats for file backed THP 2019-09-24 15:54:11 -07:00
fs mm, fs: move randomize_stack_top from fs to mm 2019-09-24 15:54:11 -07:00
include mm, fs: move randomize_stack_top from fs to mm 2019-09-24 15:54:11 -07:00
init mm: use CPU_BITS_NONE to initialize init_mm.cpu_bitmask 2019-09-24 15:54:10 -07:00
ipc
kernel arm64, mm: move generic mmap layout functions to mm 2019-09-24 15:54:11 -07:00
lib mm: remove quicklist page table caches 2019-09-24 15:54:09 -07:00
LICENSES
mm arm64, mm: make randomization selected by generic topdown mmap layout 2019-09-24 15:54:11 -07:00
net net/xdp: convert put_page() to put_user_page*() 2019-09-24 15:54:08 -07:00
samples rpmsg updates for v5.4 2019-09-22 10:58:15 -07:00
scripts Modules updates for v5.4 2019-09-22 10:34:46 -07:00
security
sound Main MIPS changes for v5.4: 2019-09-22 09:30:30 -07:00
tools f2fs-for-5.4-rc1 2019-09-21 14:26:33 -07:00
usr kbuild: clean compressed initramfs image 2019-09-24 15:54:07 -07:00
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Modules updates for v5.4 2019-09-22 10:34:46 -07:00
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS power supply and reset changes for the v5.4 series 2019-09-22 12:04:59 -07:00
Makefile Modules updates for v5.4 2019-09-22 10:34:46 -07:00
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.