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Linus Torvalds eeee3149aa There's been a fair amount of work in the docs tree this time around,
including:
 
  - Extensive RST conversions and organizational work in the
    memory-management docs thanks to Mike Rapoport.
 
  - An update of Documentation/features from Andrea Parri and a script to
    keep it updated.
 
  - Various LICENSES updates from Thomas, along with a script to check SPDX
    tags.
 
  - Work to fix dangling references to documentation files; this involved a
    fair number of one-liner comment changes outside of Documentation/
 
 ...and the usual list of documentation improvements, typo fixes, etc.
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Merge tag 'docs-4.18' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "There's been a fair amount of work in the docs tree this time around,
  including:

   - Extensive RST conversions and organizational work in the
     memory-management docs thanks to Mike Rapoport.

   - An update of Documentation/features from Andrea Parri and a script
     to keep it updated.

   - Various LICENSES updates from Thomas, along with a script to check
     SPDX tags.

   - Work to fix dangling references to documentation files; this
     involved a fair number of one-liner comment changes outside of
     Documentation/

  ... and the usual list of documentation improvements, typo fixes, etc"

* tag 'docs-4.18' of git://git.lwn.net/linux: (103 commits)
  Documentation: document hung_task_panic kernel parameter
  docs/admin-guide/mm: add high level concepts overview
  docs/vm: move ksm and transhuge from "user" to "internals" section.
  docs: Use the kerneldoc comments for memalloc_no*()
  doc: document scope NOFS, NOIO APIs
  docs: update kernel versions and dates in tables
  docs/vm: transhuge: split userspace bits to admin-guide/mm/transhuge
  docs/vm: transhuge: minor updates
  docs/vm: transhuge: change sections order
  Documentation: arm: clean up Marvell Berlin family info
  Documentation: gpio: driver: Fix a typo and some odd grammar
  docs: ranoops.rst: fix location of ramoops.txt
  scripts/documentation-file-ref-check: rewrite it in perl with auto-fix mode
  docs: uio-howto.rst: use a code block to solve a warning
  mm, THP, doc: Add document for thp_swpout/thp_swpout_fallback
  w1: w1_io.c: fix a kernel-doc warning
  Documentation/process/posting: wrap text at 80 cols
  docs: admin-guide: add cgroup-v2 documentation
  Revert "Documentation/features/vm: Remove arch support status file for 'pte_special'"
  Documentation: refcount-vs-atomic: Update reference to LKMM doc.
  ...
2018-06-04 12:34:27 -07:00
Andrea Parri 7156fc2928 Documentation/features: Refresh the arch support status files in place
Now that the script 'features-refresh.sh' is available, uses this script
to refresh all the arch-support.txt files in place.

Signed-off-by: Andrea Parri <andrea.parri@amarulasolutions.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2018-05-08 09:27:48 -06:00
Christoph Hellwig 6e88628d03 dma-debug: remove CONFIG_HAVE_DMA_API_DEBUG
There is no arch specific code required for dma-debug, so there is no
need to opt into the support either.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
2018-05-08 13:03:43 +02:00
Arnd Bergmann 1ea5afd42a Documentation: arch-support: remove obsolete architectures
A number of architecture ports are obsolete and getting dropped,
so we no longer want to track the respective features.

We already removed the lines for metag and mn10300, this does
the same edits for all the others.

For the remaining 21 architectures, this shows how many are known
to implement each given feature:

19 time/modern-timekeeping/arch-support.txt
19 time/clockevents/arch-support.txt
15 core/tracehook/arch-support.txt
14 core/generic-idle-thread/arch-support.txt
13 locking/lockdep/arch-support.txt
12 io/dma-api-debug/arch-support.txt
11 debug/kgdb/arch-support.txt
10 time/virt-cpuacct/arch-support.txt
 9 debug/kretprobes/arch-support.txt
 9 debug/kprobes/arch-support.txt
 8 vm/THP/arch-support.txt
 8 vm/pte_special/arch-support.txt
 8 vm/numa-memblock/arch-support.txt
 8 io/sg-chain/arch-support.txt
 7 perf/kprobes-event/arch-support.txt
 7 locking/rwsem-optimized/arch-support.txt
 7 debug/gcov-profile-all/arch-support.txt
 7 core/jump-labels/arch-support.txt
 7 core/BPF-JIT/arch-support.txt
 6 vm/ELF-ASLR/arch-support.txt
 6 time/context-tracking/arch-support.txt
 6 seccomp/seccomp-filter/arch-support.txt
 6 debug/stackprotector/arch-support.txt
 5 time/irq-time-acct/arch-support.txt
 5 io/dma-contiguous/arch-support.txt
 5 debug/uprobes/arch-support.txt
 4 vm/ioremap_prot/arch-support.txt
 4 time/arch-tick-broadcast/arch-support.txt
 4 perf/perf-stackdump/arch-support.txt
 4 perf/perf-regs/arch-support.txt
 3 debug/KASAN/arch-support.txt
 2 vm/PG_uncached/arch-support.txt
 2 vm/huge-vmap/arch-support.txt
 2 sched/numa-balancing/arch-support.txt
 2 sched/membarrier-sync-core/arch-support.txt
 2 locking/cmpxchg-local/arch-support.txt
 2 debug/optprobes/arch-support.txt
 2 debug/kprobes-on-ftrace/arch-support.txt
 1 vm/TLB/arch-support.txt
 1 locking/queued-spinlocks/arch-support.txt
 1 locking/queued-rwlocks/arch-support.txt
 1 debug/user-ret-profiler/arch-support.txt
 0 lib/strncasecmp/arch-support.txt

Note that the list does not include riscv or nds32 yet, these still
need to be added.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-26 15:56:10 +02:00
David Howells 739d875dd6 mn10300: Remove the architecture
Remove the MN10300 arch as the hardware is defunct.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>
cc: linux-am33-list@redhat.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2018-03-09 23:19:56 +01:00
James Hogan 6a7676852e
docs: Remove remaining references to metag
Remove any remaining references to the Meta architecture in
Documentation/, primarily from Documentation/features/.

Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-metag@vger.kernel.org
Cc: linux-doc@vger.kernel.org
2018-02-22 11:07:37 +00:00
Hans-Christian Noren Egtvedt c0c74acbb6 docs: remove all references to AVR32 architecture
The AVR32 architecture support has been removed from the Linux kernel,
hence remove all references to it from Documentation.

Signed-off-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Håvard Skinnemoen <hskinnemoen@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2017-05-01 09:27:15 +02:00
Linus Torvalds 42e0372c0e 2nd round of ARC udpates for 4.10rc1
- Fix for aliasing VIPT dcache in old ARC700 cores
 
  - micro-optimization in ARC700 ProtV handler
 
  - Enable SG_CHAIN  [Vladimir]
 
  - ARC HS38 core intc default to prio 1
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Merge tag 'arc-4.10-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull more ARC updates from Vineet Gupta:

 - Fix for aliasing VIPT dcache in old ARC700 cores

 - micro-optimization in ARC700 ProtV handler

 - Enable SG_CHAIN  [Vladimir]

 - ARC HS38 core intc default to prio 1

* tag 'arc-4.10-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: mm: arc700: Don't assume 2 colours for aliasing VIPT dcache
  ARC: mm: No need to save cache version in @cpuinfo
  ARC: enable SG chaining
  ARCv2: intc: default all interrupts to priority 1
  ARCv2: entry: document intr disable in hard isr
  ARC: ARCompact entry: elide re-reading ECR in ProtV handler
2016-12-23 10:22:47 -08:00
Vladimir Kondratiev 983eeba7d2 ARC: enable SG chaining
Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
2016-12-18 18:45:32 -08:00
Max Filippov 30b507051d xtensa: update DMA-related Documentation/features entries
xtensa supports DMA API debug and contiguous DMA, mark it as such.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2016-12-15 10:41:51 -08:00
Christoph Hellwig e1c7e32453 dma-mapping: always provide the dma_map_ops based implementation
Move the generic implementation to <linux/dma-mapping.h> now that all
architectures support it and remove the HAVE_DMA_ATTR Kconfig symbol now
that everyone supports them.

[valentinrothberg@gmail.com: remove leftovers in Kconfig]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Helge Deller <deller@gmx.de>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-20 17:09:18 -08:00
Ingo Molnar 318d10dd83 Documentation/features/io: Add feature description and arch support status file for 'dma-api-debug'
Cc: <linux-api@vger.kernel.org>
Cc: <linux-arch@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-06-03 12:51:41 +02:00
Ingo Molnar 3c1b514269 Documentation/features/io: Add feature description and arch support status file for 'dma_map_attrs'
Cc: <linux-api@vger.kernel.org>
Cc: <linux-arch@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-06-03 12:51:36 +02:00
Ingo Molnar cd66af2116 Documentation/features/io: Add feature description and arch support status file for 'dma-contiguous'
Cc: <linux-api@vger.kernel.org>
Cc: <linux-arch@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-06-03 12:51:36 +02:00
Ingo Molnar 6c7cca4dc1 Documentation/features/io: Add feature description and arch support status file for 'sg-chain'
Cc: <linux-api@vger.kernel.org>
Cc: <linux-arch@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-06-03 12:51:33 +02:00