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9c83465f32
Commitdb68ce10c4("new helper: uaccess_kernel()") replaced segment_eq(get_fs(), KERNEL_DS) with uaccess_kernel(). But the correct method for tomoyo to check whether current is a kernel thread in order to assume that kernel threads are privileged for socket operations was (current->flags & PF_KTHREAD). Now that uaccess_kernel() became 0 on x86, tomoyo has to fix this problem. Do like commit942cb357ae("Smack: Handle io_uring kernel thread privileges") does. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
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.