Merge tag 'docs-6.6' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "Documentation work keeps chugging along; this includes:

   - Work from Carlos Bilbao to integrate rustdoc output into the
     generated HTML documentation. This took some work to figure out how
     to do it without slowing the docs build and without creating people
     who don't have Rust installed, but Carlos got there

   - Move the loongarch and mips architecture documentation under
     Documentation/arch/

   - Some more maintainer documentation from Jakub

  ... plus the usual assortment of updates, translations, and fixes"

* tag 'docs-6.6' of git://git.lwn.net/linux: (56 commits)
  Docu: genericirq.rst: fix irq-example
  input: docs: pxrc: remove reference to phoenix-sim
  Documentation: serial-console: Fix literal block marker
  docs/mm: remove references to hmm_mirror ops and clean typos
  docs/zh_CN: correct regi_chg(),regi_add() to region_chg(),region_add()
  Documentation: Fix typos
  Documentation/ABI: Fix typos
  scripts: kernel-doc: fix macro handling in enums
  scripts: kernel-doc: parse DEFINE_DMA_UNMAP_[ADDR|LEN]
  Documentation: riscv: Update boot image header since EFI stub is supported
  Documentation: riscv: Add early boot document
  Documentation: arm: Add bootargs to the table of added DT parameters
  docs: kernel-parameters: Refer to the correct bitmap function
  doc: update params of memhp_default_state=
  docs: Add book to process/kernel-docs.rst
  docs: sparse: fix invalid link addresses
  docs: vfs: clean up after the iterate() removal
  docs: Add a section on surveys to the researcher guidelines
  docs: move mips under arch
  docs: move loongarch under arch
  ...

5 files changed, 45 insertions, 13 deletions

diff --git a/Documentation/process/botching-up-ioctls.rst b/Documentation/process/botching-up-ioctls.rst
index 9739b88463a5f..a05e8401de1c7 100644
--- a/Documentation/process/botching-up-ioctls.rst
+++ b/Documentation/process/botching-up-ioctls.rst
@@ -208,7 +208,7 @@ Not every problem needs a new ioctl:
    it's much quicker to push a driver-private interface than engaging in
    lengthy discussions for a more generic solution. And occasionally doing a
    private interface to spearhead a new concept is what's required. But in the
-   end, once the generic interface comes around you'll end up maintainer two
+   end, once the generic interface comes around you'll end up maintaining two
    interfaces. Indefinitely.
 
  * Consider other interfaces than ioctls. A sysfs attribute is much better for
diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst
index 0bbd040f6a55b..b48da698d6f25 100644
--- a/Documentation/process/changes.rst
+++ b/Documentation/process/changes.rst
@@ -482,7 +482,7 @@ E2fsprogs
 JFSutils
 --------
 
-- <http://jfs.sourceforge.net/>
+- <https://jfs.sourceforge.net/>
 
 Reiserfsprogs
 -------------
@@ -503,7 +503,7 @@ Pcmciautils
 Quota-tools
 -----------
 
-- <http://sourceforge.net/projects/linuxquota/>
+- <https://sourceforge.net/projects/linuxquota/>
 
 
 Intel P6 microcode
@@ -524,7 +524,7 @@ FUSE
 mcelog
 ------
 
-- <http://www.mcelog.org/>
+- <https://www.mcelog.org/>
 
 cpio
 ----
@@ -544,7 +544,8 @@ PPP
 NFS-utils
 ---------
 
-- <http://sourceforge.net/project/showfiles.php?group_id=14>
+- <https://sourceforge.net/project/showfiles.php?group_id=14>
+- <https://nfs.sourceforge.net/>
 
 Iptables
 --------
@@ -559,12 +560,7 @@ Ip-route2
 OProfile
 --------
 
-- <http://oprofile.sf.net/download/>
-
-NFS-Utils
----------
-
-- <http://nfs.sourceforge.net/>
+- <https://oprofile.sf.net/download/>
 
 Kernel documentation
 ********************
diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst
index f91b8441f2ef7..1f7f3e6c9cda9 100644
--- a/Documentation/process/deprecated.rst
+++ b/Documentation/process/deprecated.rst
@@ -77,7 +77,7 @@ kzalloc() can be replaced with kcalloc().
 If no 2-factor form is available, the saturate-on-overflow helpers should
 be used::
 
-	bar = vmalloc(array_size(count, size));
+	bar = dma_alloc_coherent(dev, array_size(count, size), &dma, GFP_KERNEL);
 
 Another common case to avoid is calculating the size of a structure with
 a trailing array of others structures, as in::
diff --git a/Documentation/process/kernel-docs.rst b/Documentation/process/kernel-docs.rst
index 46f927aae6ebc..8660493b91d01 100644
--- a/Documentation/process/kernel-docs.rst
+++ b/Documentation/process/kernel-docs.rst
@@ -29,7 +29,7 @@ All documents are cataloged with the following fields: the document's
 
    The documents on each section of this document are ordered by its
    published date, from the newest to the oldest. The maintainer(s) should
-   periodically retire resources as they become obsolte or outdated; with
+   periodically retire resources as they become obsolete or outdated; with
    the exception of foundational books.
 
 Docs at the Linux Kernel tree
@@ -118,6 +118,15 @@ Published books
       :ISBN: 978-0672329463
       :Notes: Foundational book
 
+    * Title: **Practical Linux System Administration: A Guide to Installation, Configuration, and Management, 1st Edition**
+
+      :Author: Kenneth Hess
+      :Publisher: O'Reilly Media
+      :Date: May, 2023
+      :Pages: 246
+      :ISBN: 978-1098109035
+      :Notes: System administration
+
 .. _ldd3_published:
 
     * Title: **Linux Device Drivers, 3rd Edition**
diff --git a/Documentation/process/researcher-guidelines.rst b/Documentation/process/researcher-guidelines.rst
index 9fcfed3c350be..d159cd4f5e5b3 100644
--- a/Documentation/process/researcher-guidelines.rst
+++ b/Documentation/process/researcher-guidelines.rst
@@ -44,6 +44,33 @@ explicit agreement of, and full disclosure to, the individual developers
 involved. Developers cannot be interacted with/experimented on without
 consent; this, too, is standard research ethics.
 
+Surveys
+=======
+
+Research often takes the form of surveys sent to maintainers or
+contributors.  As a general rule, though, the kernel community derives
+little value from these surveys.  The kernel development process works
+because every developer benefits from their participation, even working
+with others who have different goals.  Responding to a survey, though, is a
+one-way demand placed on busy developers with no corresponding benefit to
+themselves or to the kernel community as a whole.  For this reason, this
+method of research is discouraged.
+
+Kernel community members already receive far too much email and are likely
+to perceive survey requests as just another demand on their time.  Sending
+such requests deprives the community of valuable contributor time and is
+unlikely to yield a statistically useful response.
+
+As an alternative, researchers should consider attending developer events,
+hosting sessions where the research project and its benefits to the
+participants can be explained, and interacting directly with the community
+there.  The information received will be far richer than that obtained from
+an email survey, and the community will gain from the ability to learn from
+your insights as well.
+
+Patches
+=======
+
 To help clarify: sending patches to developers *is* interacting
 with them, but they have already consented to receiving *good faith
 contributions*. Sending intentionally flawed/vulnerable patches or