linux-kernel - [PATCH 0/5] asm-generic: clean up asm/mman.h

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Message-Id: <20240925210615.2572360-1-arnd@kernel.org>
Date: Wed, 25 Sep 2024 21:06:10 +0000
From: Arnd Bergmann <arnd@...nel.org>
To: linux-mm@...ck.org
Cc: Arnd Bergmann <arnd@...db.de>,
	"Jason A. Donenfeld" <Jason@...c4.com>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andreas Larsson <andreas@...sler.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ard Biesheuvel <ardb@...nel.org>,
	Christian Brauner <brauner@...nel.org>,
	Christoph Hellwig <hch@....de>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Damien Le Moal <dlemoal@...nel.org>,
	David Hildenbrand <david@...hat.com>,
	Greg Ungerer <gerg@...ux-m68k.org>,
	Helge Deller <deller@....de>,
	Kees Cook <kees@...nel.org>,
	"Liam R . Howlett" <Liam.Howlett@...cle.com>,
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
	Matt Turner <mattst88@...il.com>,
	Max Filippov <jcmvbkbc@...il.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Michal Hocko <mhocko@...e.com>,
	Nicholas Piggin <npiggin@...il.com>,
	Richard Henderson <richard.henderson@...aro.org>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Vladimir Murzin <vladimir.murzin@....com>,
	Vlastimil Babka <vbabka@...e.cz>,
	linux-stm32@...md-mailman.stormreply.com,
	linux-kernel@...r.kernel.org,
	linux-mips@...r.kernel.org,
	linux-parisc@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	linux-arch@...r.kernel.org
Subject: [PATCH 0/5] asm-generic: clean up asm/mman.h

From: Arnd Bergmann <arnd@...db.de>

While thinking about the changes to linux/mman.h in
https://lore.kernel.org/all/20240923141943.133551-1-vincenzo.frascino@arm.com/
I ended up trying to clean up the duplicate definitions in order to
better see what's in there, and then I found a clash between two MAP_* flags.

Here is my current state, lightly tested. Please have a look at
the last patch in particular.

     Arnd

Arnd Bergmann (5):
  asm-generic: cosmetic updates to uapi/asm/mman.h
  asm-generic: move MAP_* flags from mman-common.h to mman.h
  asm-generic: use asm-generic/mman-common.h on mips and xtensa
  asm-generic: use asm-generic/mman-common.h on parisc and alpha
  [RFC] mm: Remove MAP_UNINITIALIZED support

 Documentation/admin-guide/mm/nommu-mmap.rst | 10 +--
 arch/alpha/include/uapi/asm/mman.h          | 93 ++++++-------------
 arch/mips/include/uapi/asm/mman.h           | 95 +++-----------------
 arch/parisc/include/uapi/asm/mman.h         | 79 ++++-------------
 arch/powerpc/include/uapi/asm/mman.h        | 11 +++
 arch/sh/configs/rsk7264_defconfig           |  1 -
 arch/sparc/include/uapi/asm/mman.h          | 12 +++
 arch/xtensa/include/uapi/asm/mman.h         | 98 +++------------------
 fs/binfmt_elf_fdpic.c                       |  3 +-
 include/linux/mman.h                        |  4 -
 include/uapi/asm-generic/mman-common.h      | 31 +++----
 include/uapi/asm-generic/mman.h             | 17 ++++
 include/uapi/linux/mman.h                   |  5 ++
 mm/Kconfig                                  | 22 -----
 mm/nommu.c                                  |  4 +-
 15 files changed, 125 insertions(+), 360 deletions(-)

-- 
2.39.2

Cc: "Jason A. Donenfeld" <Jason@...c4.com>
Cc: Alexander Viro <viro@...iv.linux.org.uk>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: Andreas Larsson <andreas@...sler.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Ard Biesheuvel <ardb@...nel.org>
Cc: Christian Brauner <brauner@...nel.org>
Cc: Christoph Hellwig <hch@....de>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Damien Le Moal <dlemoal@...nel.org>
Cc: David Hildenbrand <david@...hat.com>
Cc: Greg Ungerer <gerg@...ux-m68k.org>
Cc: Helge Deller <deller@....de>
Cc: Kees Cook <kees@...nel.org>
Cc: Liam R. Howlett <Liam.Howlett@...cle.com> 
Cc: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Matt Turner <mattst88@...il.com>
Cc: Max Filippov <jcmvbkbc@...il.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Michal Hocko <mhocko@...e.com>
Cc: Nicholas Piggin <npiggin@...il.com>
Cc: Richard Henderson <richard.henderson@...aro.org>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Vladimir Murzin <vladimir.murzin@....com>
Cc: Vlastimil Babka <vbabka@...e.cz>
Cc: linux-stm32@...md-mailman.stormreply.com
Cc: linux-kernel@...r.kernel.org
Cc: linux-mips@...r.kernel.org
Cc: linux-parisc@...r.kernel.org
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: linux-mm@...ck.org
Cc: linux-arch@...r.kernel.org