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21d0798acf
1. Rename local variable 'val16' to 'tmp'. So that the processing
statements of thumb and arm can be aligned.
2. Fix two sparse check warnings: (add __user for type conversion)
warning: incorrect type in initializer (different address spaces)
expected unsigned short [noderef] __user *register __p
got unsigned short [usertype] *
3. Prepare for the next patch to avoid repeated judgment.
Before:
if (!user_mode(regs)) {
if (thumb)
else
} else {
if (thumb)
else
}
After:
if (thumb) {
if (user_mode(regs))
else
} else {
if (user_mode(regs))
else
}
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
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.