Namhyung Kim b18aabe283 tools headers: Sync uapi/linux/fcntl.h with the kernel source
To pick up the changes in this cset:

  3941e37f62 uapi/fcntl: add FD_PIDFS_ROOT
  cd5d200632 uapi/fcntl: add FD_INVALID
  67fcec2919 fcntl/pidfd: redefine PIDFD_SELF_THREAD_GROUP
  a4c746f068 uapi/fcntl: mark range as reserved

This addresses these perf build warnings:

  Warning: Kernel ABI header differences:
    diff -u tools/perf/trace/beauty/include/uapi/linux/fcntl.h include/uapi/linux/fcntl.h

Please see tools/include/uapi/README for further details.

Cc: Christian Brauner <brauner@kernel.org>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2025-08-18 13:49:26 -07:00
2025-08-17 15:22:10 -07:00

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 reStructuredText 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.
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