fix #28198752

ext4 encryption will increase lock contention when opening directory and
result in performance drop in case will-it-scale open1.
Since we don't have explicit usecases as of now, so we decide to disabed
it.
Signed-off-by: NJoseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: NDust Li <dust.li@linux.alibaba.com>

fix #28506983

Some ARM machines may have large memory capacity (e.g., more than 256G),
or large hole(s) in memory layout among nodes.

Kernel with CONFIG_ARM64_VA_BITS as 39 has the linear region size as
256G, and the memory that we will not be able to cover with the linear
mapping shall be removed. This may cause part of the physical memory to
become unavailable, system deadlock on memory, or even boot failure, on
such ARM machines.

This changes CONFIG_ARM64_VA_BITS to 48 which supports 128T linear
mapping, in order to adapt to most scenarios.
Signed-off-by: NXu Yu <xuyu@linux.alibaba.com>
Reviewed-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Reviewed-by: NCaspar Zhang <caspar@linux.alibaba.com>

to #28170604

Or we will see below compile errors:
In file included from net/atm/ioctl.c:24:
./include/net/compat.h:45:40: error: unknown type name 'compat_uptr_t'; did you mean 'compat_time_t'?
   45 |    struct sockaddr __user **save_addr, compat_uptr_t *ptr,
      |                                        ^~~~~~~~~~~~~
      |                                        compat_time_t
./include/net/compat.h:46:4: error: unknown type name 'compat_size_t'; did you mean 'compat_time_t'?
   46 |    compat_size_t *len);
      |    ^~~~~~~~~~~~~
      |    compat_time_t
Signed-off-by: NXiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Reviewed-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>

to #27182371

1. build mouse driver as module;
2. disable RT_GROUP_SCHED;
3. set HZ=250.
Signed-off-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Suggested-by: NShanpei Chen <shanpeic@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>

to #26353046
Acked-by: NDust Li <dust.li@linux.alibaba.com>
Signed-off-by: Nxuanzhuo <xuanzhuo@linux.alibaba.com>

to #26809468, #25931767

Disable deferred struct page init by default since some stability issue
observed.

A new kernel parameter was planed to enable it for large size instance
on demand, for memory init speed up.
Signed-off-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>

to #27362006

Especially, we eanble the following for daishu, which are consistent
with centos8:
CONFIG_SQUASHFS_FILE_DIRECT
CONFIG_SQUASHFS_DECOMP_MULTI_PERCPU
Signed-off-by: NJoseph Qi <joseph.qi@linux.alibaba.com>
Acked-by: NCaspar Zhang <caspar@linux.alibaba.com>

fix #27138800
Signed-off-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>

to #26832542
Signed-off-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Acked-by: NCaspar Zhang <caspar@linux.alibaba.com>

to #26581627

Enable a set of config related to kernel trust, including
vptm, IMA, EVM, smack LSM, and SM3, SM4, in which SM algorithm
is compiled into module.

These configs also support the x64 arm platform.

The following are some performance data. The output of
`systemd-analyze` on the startup time of an ECS (executed
three times):

before:
725ms (kernel) + 471ms (initrd) + 3.375s (userspace) = 4.572s
794ms (kernel) + 426ms (initrd) + 3.281s (userspace) = 4.501s
797ms (kernel) + 464ms (initrd) + 3.275s (userspace) = 4.538s

after:
777ms (kernel) + 439ms (initrd) + 3.456s (userspace) = 4.672s
785ms (kernel) + 450ms (initrd) + 3.313s (userspace) = 4.549s
741ms (kernel) + 481ms (initrd) + 3.274s (userspace) = 4.497s
Signed-off-by: NTianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: Jia Zhang <zhang.jia@linux.alibaba.com>
Reviewed-by: NShile Zhang <shile.zhang@linux.alibaba.com>

to #26424323

Enable CONFIG_SCHED_SLI by default.
Signed-off-by: NYihao Wu <wuyihao@linux.alibaba.com>
Acked-by: NShanpei Chen <shanpeic@linux.alibaba.com>

to #26536261

Keep the common configs same between x86_64 and aarch64.
Signed-off-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>

to #24582903

Update aarch64 configs since gcc version and more minor changes.
Signed-off-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>

to #26616987

Disable CONFIG_NFS_V3_ACL and CONFIG_NFSD_V3_ACL for aarch64,
to be same with x86
Signed-off-by: NChunmei Xu <xuchunmei@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>

to #26424368

Enable CONFIG_MEMSLI by default.
Signed-off-by: NXu Yu <xuyu@linux.alibaba.com>
Reviewed-by: NYang Shi <yang.shi@linux.alibaba.com>
Reviewed-by: NXunlei Pang <xlpang@linux.alibaba.com>

to #26589609

Move the configs in tree for bisect, it's convenient for locating configure
related issue.
Signed-off-by: NShile Zhang <shile.zhang@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>