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Huacai Chen 13e28ed3bf LoongArch: Make -mstrict-align configurable 
commit 4159680330 upstream.

Introduce Kconfig option ARCH_STRICT_ALIGN to make -mstrict-align be
configurable.

Not all LoongArch cores support h/w unaligned access, we can use the
-mstrict-align build parameter to prevent unaligned accesses.

CPUs with h/w unaligned access support:
Loongson-2K2000/2K3000/3A5000/3C5000/3D5000.

CPUs without h/w unaligned access support:
Loongson-2K500/2K1000.

This option is enabled by default to make the kernel be able to run on
all LoongArch systems. But you can disable it manually if you want to
run kernel only on systems with h/w unaligned access support in order to
optimise for performance.

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2023-04-26 14:30:07 +02:00
Documentation tcp: restrict net.ipv4.tcp_app_win 2023-04-20 12:36:54 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
arch LoongArch: Make -mstrict-align configurable 2023-04-26 14:30:07 +02:00
block block: don't set GD_NEED_PART_SCAN if scan partition failed 2023-04-13 17:02:54 +02:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-01-31 17:53:01 +09:00
crypto asymmetric_keys: log on fatal failures in PE/pkcs7 2023-04-20 12:36:57 +02:00
drivers drm/rockchip: vop2: Use regcache_sync() to fix suspend/resume 2023-04-26 14:30:05 +02:00
fs cifs: avoid dup prefix path in dfs_get_automount_devname() 2023-04-26 14:30:07 +02:00
include mm: kmsan: handle alloc failures in kmsan_vmap_pages_range_noflush() 2023-04-26 14:30:06 +02:00
init Kbuild fixes for v6.2 (3rd) 2023-01-21 10:56:37 -08:00
io_uring io_uring: complete request via task work in case of DEFER_TASKRUN 2023-04-20 12:36:52 +02:00
ipc Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
kernel mm: fix memory leak on mm_init error handling 2023-04-26 14:30:06 +02:00
lib maple_tree: fix a potential memory leak, OOB access, or other unpredictable bug 2023-04-26 14:30:03 +02:00
mm mm/mmap: regression fix for unmapped_area{_topdown} 2023-04-26 14:30:07 +02:00
net mptcp: fix accept vs worker race 2023-04-26 14:30:04 +02:00
rust rust: kernel: Mark rust_fmt_argument as extern "C" 2023-04-26 14:30:02 +02:00
samples ftrace: Export ftrace_free_filter() to modules 2023-01-24 11:20:58 -05:00
scripts modpost: Fix processing of CRCs on 32-bit build machines 2023-04-06 12:12:43 +02:00
security keys: Do not cache key in task struct if key is requested from kernel thread 2023-03-30 12:50:57 +02:00
sound ASoC: SOF: ipc4-topology: Clarify bind failure caused by missing fw_module 2023-04-26 14:30:04 +02:00
tools tools/mm/page_owner_sort.c: fix TGID output when cull=tg is used 2023-04-26 14:30:04 +02:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM: Register /dev/kvm as the _very_ last thing during initialization 2023-03-10 09:29:33 +01:00
.clang-format iommufd for 6.2 2022-12-14 09:15:43 -08:00
.cocciconfig
…
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore *.rpm 2022-12-30 17:22:14 +09:00
.mailmap 12 hotfixes, mostly against mm/. Five of these fixes are cc:stable. 2023-02-13 14:09:20 -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: update SCTP maintainers 2023-02-02 11:35:33 -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 audit: update the mailing list in MAINTAINERS 2023-02-25 11:13:29 +01:00
Makefile Linux 6.2.12 2023-04-20 12:37:00 +02:00
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.