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Lorenzo Stoakes 15ac613f12 KVM: s390: rename PROT_NONE to PROT_TYPE_DUMMY
The enum type prot_type declared in arch/s390/kvm/gaccess.c declares an
unfortunate identifier within it - PROT_NONE.

This clashes with the protection bit define from the uapi for mmap()
declared in include/uapi/asm-generic/mman-common.h, which is indeed what
those casually reading this code would assume this to refer to.

This means that any changes which subsequently alter headers in any way
which results in the uapi header being imported here will cause build
errors.

Resolve the issue by renaming PROT_NONE to PROT_TYPE_DUMMY.

Link: https://lkml.kernel.org/r/20250519145657.178365-1-lorenzo.stoakes@oracle.com
Fixes: b3cefd6bf1 ("KVM: s390: Pass initialized arg even if unused")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Suggested-by: Ignacio Moreno Gonzalez <Ignacio.MorenoGonzalez@kuka.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202505140943.IgHDa9s7-lkp@intel.com/
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Acked-by: Ignacio Moreno Gonzalez <Ignacio.MorenoGonzalez@kuka.com>
Acked-by: Yang Shi <yang@os.amperecomputing.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: <stable@vger.kernel.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: James Houghton <jthoughton@google.com>
Cc: Janosch Frank <frankja@linux.ibm.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-06-05 22:02:22 -07:00
arch KVM: s390: rename PROT_NONE to PROT_TYPE_DUMMY 2025-06-05 22:02:22 -07:00
block cgroup: Changes for v6.16 2025-05-27 20:59:53 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto EFI updates for v6.16 2025-05-30 12:42:57 -07:00
Documentation - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
drivers - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
fs - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
include - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
init - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
io_uring Networking changes for 6.16. 2025-05-28 15:24:36 -07:00
ipc - The 3 patch series "hung_task: extend blocking task stacktrace dump to 2025-05-31 19:12:53 -07:00
kernel Modules changes for 6.16-rc1 2025-06-02 17:35:06 -07:00
lib - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
LICENSES LICENSES: add 0BSD license text 2024-09-01 20:43:24 -07:00
mm - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
net vfs-6.16-rc1.netfs 2025-06-02 15:04:06 -07:00
rust - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
samples - The 3 patch series "hung_task: extend blocking task stacktrace dump to 2025-05-31 19:12:53 -07:00
scripts - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
security require gcc-8 and binutils-2.30 2025-05-31 08:16:52 -07:00
sound sound updates for 6.16-rc1 2025-05-27 15:05:18 -07:00
tools Bootconfig updates for v6.15: 2025-06-02 17:39:24 -07:00
usr usr/include: openrisc: don't HDRTEST bpf_perf_event.h 2025-05-12 15:03:17 +09:00
virt Merge branch 'kvm-lockdep-common' into HEAD 2025-05-28 06:29:17 -04:00
.clang-format Linux 6.15-rc5 2025-05-06 16:39:25 +10:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes
.gitignore .gitignore: ignore Python compiled bytecode 2025-04-24 10:12:46 -06:00
.mailmap - The 3 patch series "hung_task: extend blocking task stacktrace dump to 2025-05-31 19:12:53 -07:00
.pylintrc docs: add a .pylintrc file with sys path for docs scripts 2025-04-09 12:10:33 -06:00
.rustfmt.toml
COPYING
CREDITS Update Christoph's Email address and make it consistent 2025-05-12 23:50:31 -07:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS fuse update for 6.16 2025-06-02 15:31:05 -07:00
Makefile A moderately busy cycle for documentation this time around: 2025-05-27 11:22:19 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

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.