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Filename Latest commit message Latest commit date
Vladimir Murzin 313151afdf ARM: 8955/1: virt: Relax arch timer version check during early boot
[ Upstream commit 6849b5eba1965ceb0cad3a75877ef4569dd3638e ]

Updates to the Generic Timer architecture allow ID_PFR1.GenTimer to
have values other than 0 or 1 while still preserving backward
compatibility. At the moment, Linux is quite strict in the way it
handles this field at early boot and will not configure arch timer if
it doesn't find the value 1.

Since here use ubfx for arch timer version extraction (hyb-stub build
with -march=armv7-a, so it is safe)

To help backports (even though the code was correct at the time of writing)

Fixes: 8ec58be9f3 ("ARM: virt: arch_timers: enable access to physical timers")
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-02-05 21:22:49 +00:00
arch ARM: 8955/1: virt: Relax arch timer version check during early boot 2020-02-05 21:22:49 +00:00
block block: fix memleak of bio integrity data 2020-01-26 10:01:09 +01:00
certs
crypto crypto: pcrypt - Fix user-after-free on module unload 2020-02-01 09:34:52 +00:00
Documentation PM / devfreq: Add new name attribute for sysfs 2020-02-05 21:22:40 +00:00
drivers scsi: fnic: do not queue commands during fwreset 2020-02-05 21:22:49 +00:00
fs reiserfs: Fix memory leak of journal device string 2020-02-05 21:22:40 +00:00
include cfg80211: Fix radar event during another phy CAC 2020-02-05 21:22:46 +00:00
init Revert "um: Enable CONFIG_CONSTRUCTORS" 2020-02-01 09:34:53 +00:00
ipc
kernel cgroup: Prevent double killing of css when enabling threaded cgroup 2020-02-05 21:22:42 +00:00
lib XArray: Fix xas_pause at ULONG_MAX 2020-02-05 21:22:47 +00:00
LICENSES
mm mm/mempolicy.c: fix out of bounds write in mpol_parse_str() 2020-02-05 21:22:40 +00:00
net xfrm: interface: do not confirm neighbor when do pmtu update 2020-02-05 21:22:48 +00:00
samples samples/bpf: Fix broken xdp_rxq_info due to map order assumptions 2020-01-26 10:00:58 +01:00
scripts ARM: 8950/1: ftrace/recordmcount: filter relocation types 2020-01-29 16:45:27 +01:00
security tomoyo: Use atomic_t for statistics counter 2020-02-05 21:22:41 +00:00
sound ASoC: sti: fix possible sleep-in-atomic 2020-02-05 21:22:46 +00:00
tools tools lib traceevent: Fix memory leakage in filter_event 2020-02-05 21:22:43 +00:00
usr gen_initramfs_list.sh: fix 'bad variable name' error 2020-01-09 10:20:00 +01:00
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: Append missed file to the database 2020-01-17 19:48:28 +01:00
Makefile Linux 5.4.17 2020-02-01 09:34:53 +00:00
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.