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* [PATCH 00/35] Documentation fixes for Kernel 5.8
@ 2020-04-08 15:45 Mauro Carvalho Chehab
  2020-04-08 15:46 ` [PATCH 08/35] docs: pci: boot-interrupts.rst: improve html output Mauro Carvalho Chehab
  0 siblings, 1 reply; 2+ messages in thread
From: Mauro Carvalho Chehab @ 2020-04-08 15:45 UTC (permalink / raw)
  To: Linux Doc Mailing List
  Cc: Mauro Carvalho Chehab, linux-kernel, Jonathan Corbet,
	Rob Herring, Maxime Ripard, Yuti Amonkar, Kishon Vijay Abraham I,
	devicetree, linux-arch, kvm, kvm-ppc, linuxppc-dev, dri-devel,
	linux-arm-kernel, linux-fsdevel, linux-unionfs, linux-mm,
	linux-rdma, kvmarm, linux-crypto, linux-media, linux-arm-msm,
	freedreno, linux-afs, ecryptfs, linux-ntfs-dev, ocfs2-devel,
	linux-pci, linux1394-devel, linux-ide, linux-edac, linux-spi,
	MPT-FusionLinux.pdl, linux-scsi, Stephen Boyd,
	Sandeep Maheswaram, Matthias Kaehlcke, linux-usb, Linus Walleij,
	Sudeep Holla, Geert Uytterhoeven, Matthias Brugger, netdev,
	linux-i2c

Hi Jon,

I have a large list of patches this time for the Documentation/. So, I'm
starting sending them a little earier. Yet, those are meant to be applied
after the end of the merge window. They're based on today's linux-next,
with has only 49 patches pending to be applied upstream touching
Documentation/, so I don't expect much conflicts if applied early at
-rc cycle.

Most of the patches here were already submitted, but weren't
merged yet at next. So, it seems that nobody picked them yet.

In any case, most of those patches here are independent from 
the others.

The number of doc build warnings have been rising with time.
The main goal with this series is to get rid of most Sphinx warnings
and other errors.

Patches 1 to 5: fix broken references detected by this tool:

        ./scripts/documentation-file-ref-check

The other patches fix other random errors due to tags being
mis-interpreted or mis-used.

You should notice that several patches touch kernel-doc scripts.
IMHO, some of the warnings are actually due to kernel-doc being
too pedantic. So, I ended by improving some things at the toolset,
in order to make it smarter. That's the case of those patches:

	docs: scripts/kernel-doc: accept blank lines on parameter description
	scripts: kernel-doc: accept negation like !@var
	scripts: kernel-doc: proper handle @foo->bar()

The last 4 patches address problems with PDF building.

The first one address a conflict that will rise during the merge
window: Documentation/media will be removed. Instead of
just drop it from the list of PDF documents, I opted to drop the
entire list, as conf.py will auto-generate from the sources:

	docs: LaTeX/PDF: drop list of documents

Also, right now, PDF output is broken due to a namespace conflict 
at I2c (two pdf outputs there will have the same name).

	docs: i2c: rename i2c.svg to i2c_bus.svg

The third PDF patch is not really a fix, but it helps a lot to identify
if the build succeeded or not, by placing the final PDF output on
a separate dir:

	docs: Makefile: place final pdf docs on a separate dir

Finally, the last one solves a bug since the first supported Sphinx
version, with also impacts PDF output: basically while nested tables
are valid with ReST notation, the toolset only started supporting
it on PDF output since version 2.4:

	docs: update recommended Sphinx version to 2.4.4

PS.: Due to the large number of C/C, I opted to keep a smaller
set of C/C at this first e-mail (only e-mails with "L:" tag from
MAINTAINERS file).

Mauro Carvalho Chehab (35):
  MAINTAINERS: dt: update display/allwinner file entry
  docs: dt: fix broken reference to phy-cadence-torrent.yaml
  docs: fix broken references to text files
  docs: fix broken references for ReST files that moved around
  docs: filesystems: fix renamed references
  docs: amu: supress some Sphinx warnings
  docs: arm64: booting.rst: get rid of some warnings
  docs: pci: boot-interrupts.rst: improve html output
  futex: get rid of a kernel-docs build warning
  firewire: firewire-cdev.hL get rid of a docs warning
  scripts: kernel-doc: proper handle @foo->bar()
  lib: bitmap.c: get rid of some doc warnings
  ata: libata-core: fix a doc warning
  fs: inode.c: get rid of docs warnings
  docs: ras: get rid of some warnings
  docs: ras: don't need to repeat twice the same thing
  docs: watch_queue.rst: supress some Sphinx warnings
  scripts: kernel-doc: accept negation like !@var
  docs: infiniband: verbs.c: fix some documentation warnings
  docs: scripts/kernel-doc: accept blank lines on parameter description
  docs: spi: spi.h: fix a doc building warning
  docs: drivers: fix some warnings at base/platform.c when building docs
  docs: fusion: mptbase.c: get rid of a doc build warning
  docs: mm: slab.h: fix a broken cross-reference
  docs mm: userfaultfd.rst: use ``foo`` for literals
  docs: mm: userfaultfd.rst: use a cross-reference for a section
  docs: vm: index.rst: add an orphan doc to the building system
  docs: dt: qcom,dwc3.txt: fix cross-reference for a converted file
  MAINTAINERS: dt: fix pointers for ARM Integrator, Versatile and
    RealView
  docs: dt: fix a broken reference for a file converted to json
  powerpc: docs: cxl.rst: mark two section titles as such
  docs: LaTeX/PDF: drop list of documents
  docs: i2c: rename i2c.svg to i2c_bus.svg
  docs: Makefile: place final pdf docs on a separate dir
  docs: update recommended Sphinx version to 2.4.4

 Documentation/ABI/stable/sysfs-devices-node   |   2 +-
 Documentation/ABI/testing/procfs-smaps_rollup |   2 +-
 Documentation/Makefile                        |   6 +-
 Documentation/PCI/boot-interrupts.rst         |  34 +--
 Documentation/admin-guide/cpu-load.rst        |   2 +-
 Documentation/admin-guide/mm/userfaultfd.rst  | 209 +++++++++---------
 Documentation/admin-guide/nfs/nfsroot.rst     |   2 +-
 Documentation/admin-guide/ras.rst             |  18 +-
 Documentation/arm64/amu.rst                   |   5 +
 Documentation/arm64/booting.rst               |  36 +--
 Documentation/conf.py                         |  38 ----
 .../bindings/net/qualcomm-bluetooth.txt       |   2 +-
 .../bindings/phy/ti,phy-j721e-wiz.yaml        |   2 +-
 .../devicetree/bindings/usb/qcom,dwc3.txt     |   4 +-
 .../doc-guide/maintainer-profile.rst          |   2 +-
 .../driver-api/driver-model/device.rst        |   4 +-
 .../driver-api/driver-model/overview.rst      |   2 +-
 Documentation/filesystems/dax.txt             |   2 +-
 Documentation/filesystems/dnotify.txt         |   2 +-
 .../filesystems/ramfs-rootfs-initramfs.rst    |   2 +-
 Documentation/filesystems/sysfs.rst           |   2 +-
 Documentation/i2c/{i2c.svg => i2c_bus.svg}    |   2 +-
 Documentation/i2c/summary.rst                 |   2 +-
 Documentation/memory-barriers.txt             |   2 +-
 Documentation/powerpc/cxl.rst                 |   2 +
 .../powerpc/firmware-assisted-dump.rst        |   2 +-
 Documentation/process/adding-syscalls.rst     |   2 +-
 Documentation/process/submit-checklist.rst    |   2 +-
 Documentation/sphinx/requirements.txt         |   2 +-
 .../it_IT/process/adding-syscalls.rst         |   2 +-
 .../it_IT/process/submit-checklist.rst        |   2 +-
 .../translations/ko_KR/memory-barriers.txt    |   2 +-
 .../translations/zh_CN/filesystems/sysfs.txt  |   8 +-
 .../zh_CN/process/submit-checklist.rst        |   2 +-
 Documentation/virt/kvm/arm/pvtime.rst         |   2 +-
 Documentation/virt/kvm/devices/vcpu.rst       |   2 +-
 Documentation/virt/kvm/hypercalls.rst         |   4 +-
 Documentation/virt/kvm/mmu.rst                |   2 +-
 Documentation/virt/kvm/review-checklist.rst   |   2 +-
 Documentation/vm/index.rst                    |   1 +
 Documentation/watch_queue.rst                 |  34 ++-
 MAINTAINERS                                   |   7 +-
 arch/powerpc/include/uapi/asm/kvm_para.h      |   2 +-
 arch/x86/kvm/mmu/mmu.c                        |   2 +-
 drivers/ata/libata-core.c                     |   2 +-
 drivers/base/core.c                           |   2 +-
 drivers/base/platform.c                       |   6 +-
 .../allwinner/sun8i-ce/sun8i-ce-cipher.c      |   2 +-
 .../crypto/allwinner/sun8i-ce/sun8i-ce-core.c |   2 +-
 .../allwinner/sun8i-ss/sun8i-ss-cipher.c      |   2 +-
 .../crypto/allwinner/sun8i-ss/sun8i-ss-core.c |   2 +-
 drivers/gpu/drm/Kconfig                       |   2 +-
 drivers/gpu/drm/drm_ioctl.c                   |   2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h       |   2 +-
 drivers/hwtracing/coresight/Kconfig           |   2 +-
 drivers/infiniband/core/verbs.c               |   7 +-
 drivers/media/v4l2-core/v4l2-fwnode.c         |   2 +-
 drivers/message/fusion/mptbase.c              |   8 +-
 fs/Kconfig                                    |   2 +-
 fs/Kconfig.binfmt                             |   2 +-
 fs/adfs/Kconfig                               |   2 +-
 fs/affs/Kconfig                               |   2 +-
 fs/afs/Kconfig                                |   6 +-
 fs/bfs/Kconfig                                |   2 +-
 fs/cramfs/Kconfig                             |   2 +-
 fs/ecryptfs/Kconfig                           |   2 +-
 fs/fat/Kconfig                                |   8 +-
 fs/fuse/Kconfig                               |   2 +-
 fs/fuse/dev.c                                 |   2 +-
 fs/hfs/Kconfig                                |   2 +-
 fs/hpfs/Kconfig                               |   2 +-
 fs/inode.c                                    |   6 +-
 fs/isofs/Kconfig                              |   2 +-
 fs/namespace.c                                |   2 +-
 fs/notify/inotify/Kconfig                     |   2 +-
 fs/ntfs/Kconfig                               |   2 +-
 fs/ocfs2/Kconfig                              |   2 +-
 fs/overlayfs/Kconfig                          |   6 +-
 fs/proc/Kconfig                               |   4 +-
 fs/romfs/Kconfig                              |   2 +-
 fs/sysfs/dir.c                                |   2 +-
 fs/sysfs/file.c                               |   2 +-
 fs/sysfs/mount.c                              |   2 +-
 fs/sysfs/symlink.c                            |   2 +-
 fs/sysv/Kconfig                               |   2 +-
 fs/udf/Kconfig                                |   2 +-
 include/linux/kobject.h                       |   2 +-
 include/linux/kobject_ns.h                    |   2 +-
 include/linux/mm.h                            |   4 +-
 include/linux/relay.h                         |   2 +-
 include/linux/slab.h                          |   2 +-
 include/linux/spi/spi.h                       |   1 +
 include/linux/sysfs.h                         |   2 +-
 include/uapi/linux/ethtool_netlink.h          |   2 +-
 include/uapi/linux/firewire-cdev.h            |   2 +-
 include/uapi/linux/kvm.h                      |   4 +-
 include/uapi/rdma/rdma_user_ioctl_cmds.h      |   2 +-
 kernel/futex.c                                |   3 +
 kernel/relay.c                                |   2 +-
 lib/bitmap.c                                  |  27 +--
 lib/kobject.c                                 |   4 +-
 mm/gup.c                                      |  12 +-
 scripts/kernel-doc                            |  41 ++--
 tools/include/uapi/linux/kvm.h                |   4 +-
 virt/kvm/arm/vgic/vgic-mmio-v3.c              |   2 +-
 virt/kvm/arm/vgic/vgic.h                      |   4 +-
 106 files changed, 373 insertions(+), 338 deletions(-)
 rename Documentation/i2c/{i2c.svg => i2c_bus.svg} (99%)

-- 
2.25.2



^ permalink raw reply	[flat|nested] 2+ messages in thread

* [PATCH 08/35] docs: pci: boot-interrupts.rst: improve html output
  2020-04-08 15:45 [PATCH 00/35] Documentation fixes for Kernel 5.8 Mauro Carvalho Chehab
@ 2020-04-08 15:46 ` Mauro Carvalho Chehab
  0 siblings, 0 replies; 2+ messages in thread
From: Mauro Carvalho Chehab @ 2020-04-08 15:46 UTC (permalink / raw)
  To: Linux Doc Mailing List
  Cc: Mauro Carvalho Chehab, linux-kernel, Jonathan Corbet,
	Bjorn Helgaas, linux-pci

There are some warnings with this file:

    /Documentation/PCI/boot-interrupts.rst:42: WARNING: Unexpected indentation.
    /Documentation/PCI/boot-interrupts.rst:52: WARNING: Block quote ends without a blank line; unexpected unindent.
    /Documentation/PCI/boot-interrupts.rst:92: WARNING: Unexpected indentation.
    /Documentation/PCI/boot-interrupts.rst:98: WARNING: Unexpected indentation.
    /Documentation/PCI/boot-interrupts.rst:136: WARNING: Unexpected indentation.

It turns that this file conversion to ReST could be improved,
in order to remove the warnings and provide a better output.

So, fix the warnings by adjusting blank lines, add a table and
some list markups. Also, mark endnodes as such.

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 Documentation/PCI/boot-interrupts.rst | 34 +++++++++++++++------------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git a/Documentation/PCI/boot-interrupts.rst b/Documentation/PCI/boot-interrupts.rst
index d078ef3eb192..2ec70121bfca 100644
--- a/Documentation/PCI/boot-interrupts.rst
+++ b/Documentation/PCI/boot-interrupts.rst
@@ -32,12 +32,13 @@ interrupt goes unhandled over time, they are tracked by the Linux kernel as
 Spurious Interrupts. The IRQ will be disabled by the Linux kernel after it
 reaches a specific count with the error "nobody cared". This disabled IRQ
 now prevents valid usage by an existing interrupt which may happen to share
-the IRQ line.
+the IRQ line::
 
   irq 19: nobody cared (try booting with the "irqpoll" option)
   CPU: 0 PID: 2988 Comm: irq/34-nipalk Tainted: 4.14.87-rt49-02410-g4a640ec-dirty #1
   Hardware name: National Instruments NI PXIe-8880/NI PXIe-8880, BIOS 2.1.5f1 01/09/2020
   Call Trace:
+
   <IRQ>
    ? dump_stack+0x46/0x5e
    ? __report_bad_irq+0x2e/0xb0
@@ -85,15 +86,18 @@ Mitigations
 The mitigations take the form of PCI quirks. The preference has been to
 first identify and make use of a means to disable the routing to the PCH.
 In such a case a quirk to disable boot interrupt generation can be
-added.[1]
+added. [1]_
 
-  Intel® 6300ESB I/O Controller Hub
+Intel® 6300ESB I/O Controller Hub
   Alternate Base Address Register:
    BIE: Boot Interrupt Enable
-	  0 = Boot interrupt is enabled.
-	  1 = Boot interrupt is disabled.
 
-  Intel® Sandy Bridge through Sky Lake based Xeon servers:
+	  ==  ===========================
+	  0   Boot interrupt is enabled.
+	  1   Boot interrupt is disabled.
+	  ==  ===========================
+
+Intel® Sandy Bridge through Sky Lake based Xeon servers:
   Coherent Interface Protocol Interrupt Control
    dis_intx_route2pch/dis_intx_route2ich/dis_intx_route2dmi2:
 	  When this bit is set. Local INTx messages received from the
@@ -109,12 +113,12 @@ line by default.  Therefore, on chipsets where this INTx routing cannot be
 disabled, the Linux kernel will reroute the valid interrupt to its legacy
 interrupt. This redirection of the handler will prevent the occurrence of
 the spurious interrupt detection which would ordinarily disable the IRQ
-line due to excessive unhandled counts.[2]
+line due to excessive unhandled counts. [2]_
 
 The config option X86_REROUTE_FOR_BROKEN_BOOT_IRQS exists to enable (or
 disable) the redirection of the interrupt handler to the PCH interrupt
 line. The option can be overridden by either pci=ioapicreroute or
-pci=noioapicreroute.[3]
+pci=noioapicreroute. [3]_
 
 
 More Documentation
@@ -127,19 +131,19 @@ into the evolution of its handling with chipsets.
 Example of disabling of the boot interrupt
 ------------------------------------------
 
-Intel® 6300ESB I/O Controller Hub (Document # 300641-004US)
+      - Intel® 6300ESB I/O Controller Hub (Document # 300641-004US)
 	5.7.3 Boot Interrupt
 	https://www.intel.com/content/dam/doc/datasheet/6300esb-io-controller-hub-datasheet.pdf
 
-Intel® Xeon® Processor E5-1600/2400/2600/4600 v3 Product Families
-Datasheet - Volume 2: Registers (Document # 330784-003)
+      - Intel® Xeon® Processor E5-1600/2400/2600/4600 v3 Product Families
+	Datasheet - Volume 2: Registers (Document # 330784-003)
 	6.6.41 cipintrc Coherent Interface Protocol Interrupt Control
 	https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/xeon-e5-v3-datasheet-vol-2.pdf
 
 Example of handler rerouting
 ----------------------------
 
-Intel® 6700PXH 64-bit PCI Hub (Document # 302628)
+      - Intel® 6700PXH 64-bit PCI Hub (Document # 302628)
 	2.15.2 PCI Express Legacy INTx Support and Boot Interrupt
 	https://www.intel.com/content/dam/doc/datasheet/6700pxh-64-bit-pci-hub-datasheet.pdf
 
@@ -150,6 +154,6 @@ Cheers,
     Sean V Kelley
     sean.v.kelley@linux.intel.com
 
-[1] https://lore.kernel.org/r/12131949181903-git-send-email-sassmann@suse.de/
-[2] https://lore.kernel.org/r/12131949182094-git-send-email-sassmann@suse.de/
-[3] https://lore.kernel.org/r/487C8EA7.6020205@suse.de/
+.. [1] https://lore.kernel.org/r/12131949181903-git-send-email-sassmann@suse.de/
+.. [2] https://lore.kernel.org/r/12131949182094-git-send-email-sassmann@suse.de/
+.. [3] https://lore.kernel.org/r/487C8EA7.6020205@suse.de/
-- 
2.25.2


^ permalink raw reply	[flat|nested] 2+ messages in thread

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