Linus Torvalds cf6fc5eefc Merge tag 's390-6.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:

 - When kernel lockdown is active userspace tools that rely on read
   operations only are unnecessarily blocked. Fix that by avoiding ioctl
   registration during lockdown

 - Invalid NULL pointer accesses succeed due to the lowcore is always
   mapped the identity mapping pinned to zero. To fix that never map the
   first two pages of physical memory with identity mapping

 - Fix invalid SCCB present check in the SCLP interrupt handler

 - Update defconfigs

* tag 's390-6.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/hypfs: Enable limited access during lockdown
  s390/hypfs: Avoid unnecessary ioctl registration in debugfs
  s390/mm: Do not map lowcore with identity mapping
  s390/sclp: Fix SCCB present check
  s390/configs: Set HZ=1000
  s390/configs: Update defconfigs
2025-08-22 10:16:47 -04:00
2025-02-19 14:53:27 -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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