[OpenRISC] [PATCH 0/6] Add documentation for Documentation/features at the built docs

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* [OpenRISC] [PATCH 0/6] Add documentation for Documentation/features at the built docs
@ 2020-11-30 15:36 Mauro Carvalho Chehab
  2020-11-30 15:36 ` [OpenRISC] [PATCH 6/6] docs: archis: add a per-architecture features list Mauro Carvalho Chehab
  2020-12-03 22:36 ` [OpenRISC] [PATCH 0/6] Add documentation for Documentation/features at the built docs Jonathan Corbet
  0 siblings, 2 replies; 3+ messages in thread
From: Mauro Carvalho Chehab @ 2020-11-30 15:36 UTC (permalink / raw)
  To: openrisc

Hi Jon,

This series got already submitted last year:

   https://lore.kernel.org/lkml/cover.1561222784.git.mchehab+samsung at kernel.org/

Yet, on that time, there were too many other patches related to ReST
conversion floating around. So, at the end, I guess this one got missed.

So, I did a rebase on the top of upstream, and added a few new changes.

Patch 1 contains the original implementation back then. It adds a
get_feat.pl script that parses the contents of Documentation/features.

Patch 2 is new: it re-implements the output of the full contents of the
features table as a set of per-subsystem tables. 

Patch 3 replaces the existing Documentation/features/list-arch.sh
by a call to the new script, in order to avoid having two scripts
doing the same thing.

Patch 4 is a sphinx extension to allow generating features output
via a meta-tag.

Patch 5 adds a complete feature list covering all archs at the
admin guide.

Patch 6 adds a per-arch feature list on each architecture book.

-

The scripts/get_feat.pl supports several types of output:

- $ scripts/get_feat.pl current

  Outputs the supported feadures by the architecture of the
  running Kernel, as an ASCII table;

- $  scripts/get_feat.pl list

  Outputs the supported features on an easy to be parsed
  format. By default, it uses the current architecture as well;

- $  scripts/get_feat.pl rest --feature jump-labels

  Output what architecture supports a given feature
  (on the above example, "jump-labels" feature)

- $ scripts/get_feat.pl rest --arch um

  Outputs the features support for an specific architecture
  (on the above example, for "um" architecture.

- $ scripts/get_feat.pl rest

  Outputs a text file with ASCII tables (ReST compatible)
  with all features, grouped per subsystem.

  E. g. something like:
	
        ===================================
        Feature status on all architectures
        ===================================
        
        Subsystem: core
        ===============
        
        +---------------------+---------------------------------+-------------------------------------------------------------------------+------------+------+
        |Feature              |Kconfig                          |Description                                                              |Architecture|Status|
        +=====================+=================================+=========================================================================+============+======+
        |cBPF-JIT             |HAVE_CBPF_JIT                    |arch supports cBPF JIT optimizations                                     |alpha       |TODO  |
        |                     |                                 |                                                                         +------------+------+
        |                     |                                 |                                                                         |arc         |TODO  |
        |                     |                                 |                                                                         +------------+------+
        |                     |                                 |                                                                         |arm         |TODO  |
        |                     |                                 |                                                                         +------------+------+
        |                     |                                 |                                                                         |arm64       |TODO  |
        |                     |                                 |                                                                         +------------+------+
        |                     |                                 |                                                                         |c6x         |TODO  |
        |                     |                                 |                                                                         +------------+------+
        |                     |                                 |                                                                         |csky        |TODO  |
        |                     |                                 |                                                                         +------------+------+
        |                     |                                 |                                                                         |h8300       |TODO  |
        |                     |                                 |                                                                         +------------+------+
        |                     |                                 |                                                                         |hexagon     |TODO  |
...

Adding those patchsets will basically place the contents of all
files under Documentation/features (currently, 45 files) at the
Kernel documentation, which is, IMO, a good thing to do.

Regards,
Mauro

Mauro Carvalho Chehab (6):
  scripts: get_feat.pl: add a script to handle Documentation/features
  scripts: get_feat.pl: improve matrix output
  scripts: get_feat.pl: use its implementation for list-arch.sh
  sphinx: kernel_feat.py: add a script to parse feature files
  docs: admin-guide: add a features list
  docs: archis: add a per-architecture features list

 Documentation/admin-guide/features.rst |   3 +
 Documentation/admin-guide/index.rst    |   1 +
 Documentation/arm/features.rst         |   3 +
 Documentation/arm/index.rst            |   2 +
 Documentation/arm64/features.rst       |   3 +
 Documentation/arm64/index.rst          |   2 +
 Documentation/conf.py                  |   2 +-
 Documentation/features/list-arch.sh    |  17 +-
 Documentation/ia64/features.rst        |   3 +
 Documentation/ia64/index.rst           |   2 +
 Documentation/index.rst                |   2 +-
 Documentation/m68k/features.rst        |   3 +
 Documentation/m68k/index.rst           |   2 +
 Documentation/mips/features.rst        |   3 +
 Documentation/mips/index.rst           |   2 +
 Documentation/nios2/index.rst          |  12 +
 Documentation/openrisc/features.rst    |   3 +
 Documentation/openrisc/index.rst       |   2 +
 Documentation/parisc/features.rst      |   3 +
 Documentation/parisc/index.rst         |   2 +
 Documentation/powerpc/features.rst     |   3 +
 Documentation/powerpc/index.rst        |   2 +
 Documentation/riscv/features.rst       |   3 +
 Documentation/riscv/index.rst          |   2 +
 Documentation/s390/features.rst        |   3 +
 Documentation/s390/index.rst           |   2 +
 Documentation/sh/features.rst          |   3 +
 Documentation/sh/index.rst             |   2 +
 Documentation/sparc/features.rst       |   3 +
 Documentation/sparc/index.rst          |   2 +
 Documentation/sphinx/kernel_feat.py    | 169 ++++++++
 Documentation/x86/features.rst         |   3 +
 Documentation/x86/index.rst            |   1 +
 Documentation/xtensa/features.rst      |   3 +
 Documentation/xtensa/index.rst         |   2 +
 scripts/get_feat.pl                    | 552 +++++++++++++++++++++++++
 36 files changed, 810 insertions(+), 17 deletions(-)
 create mode 100644 Documentation/admin-guide/features.rst
 create mode 100644 Documentation/arm/features.rst
 create mode 100644 Documentation/arm64/features.rst
 create mode 100644 Documentation/ia64/features.rst
 create mode 100644 Documentation/m68k/features.rst
 create mode 100644 Documentation/mips/features.rst
 create mode 100644 Documentation/nios2/index.rst
 create mode 100644 Documentation/openrisc/features.rst
 create mode 100644 Documentation/parisc/features.rst
 create mode 100644 Documentation/powerpc/features.rst
 create mode 100644 Documentation/riscv/features.rst
 create mode 100644 Documentation/s390/features.rst
 create mode 100644 Documentation/sh/features.rst
 create mode 100644 Documentation/sparc/features.rst
 create mode 100644 Documentation/sphinx/kernel_feat.py
 create mode 100644 Documentation/x86/features.rst
 create mode 100644 Documentation/xtensa/features.rst
 create mode 100755 scripts/get_feat.pl

-- 
2.28.0



^ permalink raw reply	[flat|nested] 3+ messages in thread

* [OpenRISC] [PATCH 6/6] docs: archis: add a per-architecture features list
  2020-11-30 15:36 [OpenRISC] [PATCH 0/6] Add documentation for Documentation/features at the built docs Mauro Carvalho Chehab
@ 2020-11-30 15:36 ` Mauro Carvalho Chehab
  2020-12-03 22:36 ` [OpenRISC] [PATCH 0/6] Add documentation for Documentation/features at the built docs Jonathan Corbet
  1 sibling, 0 replies; 3+ messages in thread
From: Mauro Carvalho Chehab @ 2020-11-30 15:36 UTC (permalink / raw)
  To: openrisc

Add a feature list matrix for each architecture to their
respective Kernel books.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 Documentation/arm/features.rst      |  3 +++
 Documentation/arm/index.rst         |  2 ++
 Documentation/arm64/features.rst    |  3 +++
 Documentation/arm64/index.rst       |  2 ++
 Documentation/ia64/features.rst     |  3 +++
 Documentation/ia64/index.rst        |  2 ++
 Documentation/index.rst             |  2 +-
 Documentation/m68k/features.rst     |  3 +++
 Documentation/m68k/index.rst        |  2 ++
 Documentation/mips/features.rst     |  3 +++
 Documentation/mips/index.rst        |  2 ++
 Documentation/nios2/index.rst       | 12 ++++++++++++
 Documentation/openrisc/features.rst |  3 +++
 Documentation/openrisc/index.rst    |  2 ++
 Documentation/parisc/features.rst   |  3 +++
 Documentation/parisc/index.rst      |  2 ++
 Documentation/powerpc/features.rst  |  3 +++
 Documentation/powerpc/index.rst     |  2 ++
 Documentation/riscv/features.rst    |  3 +++
 Documentation/riscv/index.rst       |  2 ++
 Documentation/s390/features.rst     |  3 +++
 Documentation/s390/index.rst        |  2 ++
 Documentation/sh/features.rst       |  3 +++
 Documentation/sh/index.rst          |  2 ++
 Documentation/sparc/features.rst    |  3 +++
 Documentation/sparc/index.rst       |  2 ++
 Documentation/x86/features.rst      |  3 +++
 Documentation/x86/index.rst         |  1 +
 Documentation/xtensa/features.rst   |  3 +++
 Documentation/xtensa/index.rst      |  2 ++
 30 files changed, 82 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/arm/features.rst
 create mode 100644 Documentation/arm64/features.rst
 create mode 100644 Documentation/ia64/features.rst
 create mode 100644 Documentation/m68k/features.rst
 create mode 100644 Documentation/mips/features.rst
 create mode 100644 Documentation/nios2/index.rst
 create mode 100644 Documentation/openrisc/features.rst
 create mode 100644 Documentation/parisc/features.rst
 create mode 100644 Documentation/powerpc/features.rst
 create mode 100644 Documentation/riscv/features.rst
 create mode 100644 Documentation/s390/features.rst
 create mode 100644 Documentation/sh/features.rst
 create mode 100644 Documentation/sparc/features.rst
 create mode 100644 Documentation/x86/features.rst
 create mode 100644 Documentation/xtensa/features.rst

diff --git a/Documentation/arm/features.rst b/Documentation/arm/features.rst
new file mode 100644
index 000000000000..7414ec03dd15
--- /dev/null
+++ b/Documentation/arm/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features arm
diff --git a/Documentation/arm/index.rst b/Documentation/arm/index.rst
index 5fc072dd0c5e..a2e9e1bba7b9 100644
--- a/Documentation/arm/index.rst
+++ b/Documentation/arm/index.rst
@@ -23,6 +23,8 @@ ARM Architecture
    vlocks
    porting
 
+   features
+
 SoC-specific documents
 ======================
 
diff --git a/Documentation/arm64/features.rst b/Documentation/arm64/features.rst
new file mode 100644
index 000000000000..dfa4cb3cd3ef
--- /dev/null
+++ b/Documentation/arm64/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features arm64
diff --git a/Documentation/arm64/index.rst b/Documentation/arm64/index.rst
index 937634c49979..97d65ba12a35 100644
--- a/Documentation/arm64/index.rst
+++ b/Documentation/arm64/index.rst
@@ -24,6 +24,8 @@ ARM64 Architecture
     tagged-address-abi
     tagged-pointers
 
+    features
+
 .. only::  subproject and html
 
    Indices
diff --git a/Documentation/ia64/features.rst b/Documentation/ia64/features.rst
new file mode 100644
index 000000000000..d7226fdcf5f8
--- /dev/null
+++ b/Documentation/ia64/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features ia64
diff --git a/Documentation/ia64/index.rst b/Documentation/ia64/index.rst
index 4bdfe28067ee..761f2154dfa2 100644
--- a/Documentation/ia64/index.rst
+++ b/Documentation/ia64/index.rst
@@ -15,3 +15,5 @@ IA-64 Architecture
    irq-redir
    mca
    serial
+
+   features
diff --git a/Documentation/index.rst b/Documentation/index.rst
index 57719744774c..5888e8a7272f 100644
--- a/Documentation/index.rst
+++ b/Documentation/index.rst
@@ -160,7 +160,7 @@ implementation.
    ia64/index
    m68k/index
    mips/index
-   nios2/nios2
+   nios2/index
    openrisc/index
    parisc/index
    powerpc/index
diff --git a/Documentation/m68k/features.rst b/Documentation/m68k/features.rst
new file mode 100644
index 000000000000..5107a2119472
--- /dev/null
+++ b/Documentation/m68k/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features m68k
diff --git a/Documentation/m68k/index.rst b/Documentation/m68k/index.rst
index b89cb6a86d9b..0f890dbb5fe2 100644
--- a/Documentation/m68k/index.rst
+++ b/Documentation/m68k/index.rst
@@ -10,6 +10,8 @@ m68k Architecture
    kernel-options
    buddha-driver
 
+   features
+
 .. only::  subproject and html
 
    Indices
diff --git a/Documentation/mips/features.rst b/Documentation/mips/features.rst
new file mode 100644
index 000000000000..1973d729b29a
--- /dev/null
+++ b/Documentation/mips/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features mips
diff --git a/Documentation/mips/index.rst b/Documentation/mips/index.rst
index 35cceea4e8bc..037f85a08fe3 100644
--- a/Documentation/mips/index.rst
+++ b/Documentation/mips/index.rst
@@ -11,6 +11,8 @@ MIPS-specific Documentation
    booting
    ingenic-tcu
 
+   features
+
 .. only::  subproject and html
 
    Indices
diff --git a/Documentation/nios2/index.rst b/Documentation/nios2/index.rst
new file mode 100644
index 000000000000..4468fe1a1037
--- /dev/null
+++ b/Documentation/nios2/index.rst
@@ -0,0 +1,12 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================
+Nios II Specific Documentation
+==============================
+
+.. toctree::
+   :maxdepth: 2
+   :numbered:
+
+   nios2
+   features
diff --git a/Documentation/openrisc/features.rst b/Documentation/openrisc/features.rst
new file mode 100644
index 000000000000..3f7c40d219f2
--- /dev/null
+++ b/Documentation/openrisc/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features openrisc
diff --git a/Documentation/openrisc/index.rst b/Documentation/openrisc/index.rst
index 748b3eea1707..6879f998b87a 100644
--- a/Documentation/openrisc/index.rst
+++ b/Documentation/openrisc/index.rst
@@ -10,6 +10,8 @@ OpenRISC Architecture
    openrisc_port
    todo
 
+   features
+
 .. only::  subproject and html
 
    Indices
diff --git a/Documentation/parisc/features.rst b/Documentation/parisc/features.rst
new file mode 100644
index 000000000000..501d7c450037
--- /dev/null
+++ b/Documentation/parisc/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features parisc
diff --git a/Documentation/parisc/index.rst b/Documentation/parisc/index.rst
index aa3ee0470425..240685751825 100644
--- a/Documentation/parisc/index.rst
+++ b/Documentation/parisc/index.rst
@@ -10,6 +10,8 @@ PA-RISC Architecture
    debugging
    registers
 
+   features
+
 .. only::  subproject and html
 
    Indices
diff --git a/Documentation/powerpc/features.rst b/Documentation/powerpc/features.rst
new file mode 100644
index 000000000000..aeae73df86b0
--- /dev/null
+++ b/Documentation/powerpc/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features powerpc
diff --git a/Documentation/powerpc/index.rst b/Documentation/powerpc/index.rst
index 6ec64b0d5257..bf5f1a2bdbdf 100644
--- a/Documentation/powerpc/index.rst
+++ b/Documentation/powerpc/index.rst
@@ -34,6 +34,8 @@ powerpc
     vas-api
     vcpudispatch_stats
 
+    features
+
 .. only::  subproject and html
 
    Indices
diff --git a/Documentation/riscv/features.rst b/Documentation/riscv/features.rst
new file mode 100644
index 000000000000..c70ef6ac2368
--- /dev/null
+++ b/Documentation/riscv/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features riscv
diff --git a/Documentation/riscv/index.rst b/Documentation/riscv/index.rst
index fa33bffd8992..6e6e39482502 100644
--- a/Documentation/riscv/index.rst
+++ b/Documentation/riscv/index.rst
@@ -9,6 +9,8 @@ RISC-V architecture
     pmu
     patch-acceptance
 
+    features
+
 .. only::  subproject and html
 
    Indices
diff --git a/Documentation/s390/features.rst b/Documentation/s390/features.rst
new file mode 100644
index 000000000000..57c296a9d8f3
--- /dev/null
+++ b/Documentation/s390/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features s390
diff --git a/Documentation/s390/index.rst b/Documentation/s390/index.rst
index cf71df5776b4..b10ca9192557 100644
--- a/Documentation/s390/index.rst
+++ b/Documentation/s390/index.rst
@@ -19,6 +19,8 @@ s390 Architecture
 
     text_files
 
+    features
+
 .. only::  subproject and html
 
    Indices
diff --git a/Documentation/sh/features.rst b/Documentation/sh/features.rst
new file mode 100644
index 000000000000..f722af3b6c99
--- /dev/null
+++ b/Documentation/sh/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features sh
diff --git a/Documentation/sh/index.rst b/Documentation/sh/index.rst
index 7b9a79a28167..c64776738cf6 100644
--- a/Documentation/sh/index.rst
+++ b/Documentation/sh/index.rst
@@ -11,6 +11,8 @@ SuperH Interfaces Guide
     new-machine
     register-banks
 
+    features
+
 Memory Management
 =================
 
diff --git a/Documentation/sparc/features.rst b/Documentation/sparc/features.rst
new file mode 100644
index 000000000000..c0c92468b0fe
--- /dev/null
+++ b/Documentation/sparc/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features sparc
diff --git a/Documentation/sparc/index.rst b/Documentation/sparc/index.rst
index 71cff621f243..ae884224eec2 100644
--- a/Documentation/sparc/index.rst
+++ b/Documentation/sparc/index.rst
@@ -9,3 +9,5 @@ Sparc Architecture
    adi
 
    oradax/oracle-dax
+
+   features
diff --git a/Documentation/x86/features.rst b/Documentation/x86/features.rst
new file mode 100644
index 000000000000..b663f15053ce
--- /dev/null
+++ b/Documentation/x86/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features x86
diff --git a/Documentation/x86/index.rst b/Documentation/x86/index.rst
index b224d12c880b..b4fcb6f258b2 100644
--- a/Documentation/x86/index.rst
+++ b/Documentation/x86/index.rst
@@ -33,3 +33,4 @@ x86-specific Documentation
    i386/index
    x86_64/index
    sva
+   features
diff --git a/Documentation/xtensa/features.rst b/Documentation/xtensa/features.rst
new file mode 100644
index 000000000000..6b92c7bfa19d
--- /dev/null
+++ b/Documentation/xtensa/features.rst
@@ -0,0 +1,3 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. kernel-feat:: $srctree/Documentation/features xtensa
diff --git a/Documentation/xtensa/index.rst b/Documentation/xtensa/index.rst
index 52fa04eb39a3..69952446a9be 100644
--- a/Documentation/xtensa/index.rst
+++ b/Documentation/xtensa/index.rst
@@ -10,3 +10,5 @@ Xtensa Architecture
    atomctl
    booting
    mmu
+
+   features
-- 
2.28.0


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [OpenRISC] [PATCH 0/6] Add documentation for Documentation/features at the built docs
  2020-11-30 15:36 [OpenRISC] [PATCH 0/6] Add documentation for Documentation/features at the built docs Mauro Carvalho Chehab
  2020-11-30 15:36 ` [OpenRISC] [PATCH 6/6] docs: archis: add a per-architecture features list Mauro Carvalho Chehab
@ 2020-12-03 22:36 ` Jonathan Corbet
  1 sibling, 0 replies; 3+ messages in thread
From: Jonathan Corbet @ 2020-12-03 22:36 UTC (permalink / raw)
  To: openrisc

On Mon, 30 Nov 2020 16:36:29 +0100
Mauro Carvalho Chehab <mchehab+huawei@kernel.org> wrote:

> This series got already submitted last year:
> 
>    https://lore.kernel.org/lkml/cover.1561222784.git.mchehab+samsung at kernel.org/
> 
> Yet, on that time, there were too many other patches related to ReST
> conversion floating around. So, at the end, I guess this one got missed.
> 
> So, I did a rebase on the top of upstream, and added a few new changes.

OK, I've gone ahead and applied these; it gains me a new trivial conflict
with x86, but so be it...

That said, I think that the RST table formatting could be *way* improved.
The current tables are all white space and hard to make sense of.  What if
we condensed the information?  Just looking at the first entry in
Documentation/admin-guide/features.html, perhaps it could look like:

    FEATURE	KCONFIG/DESCRIPTION		STATUS

    cBPF-JIT	HAVE_CBPF_JIT			TODO: alpha, arc, arm...
    						ok: mips, powerpc, ...
		arch supports cBPF JIT
		optimizations

The result would be far more compact and easy to read, IMO.  I may get
around to giving this a try if (hint :) nobody else gets there first.

Thanks,

jon

^ permalink raw reply	[flat|nested] 3+ messages in thread

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