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2a995f7160
CONFIG_ARM64_USE_LSE_ATOMICS is depends on CONFIG_JUMP_LABEL and
default y. So we should enable CONFIG_JUMP_LABEL.
Now we can use LSE to replace LL/SC on Cortex-A55/A76 for better performance.
Before:
text data bss dec hex filename
25991593 10672971 648872 37313436 2395b9c vmlinux
After:
text data bss dec hex filename
26620453 11072195 649976 38342624 2490fe0 vmlinux
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Change-Id: I2900ff6f2fd8dae9f8afb0fc2da72c83de8ff63e
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.