Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* first commit for Rust support
* add CI job using Fedora + Rust nightly
* fix detection of ATOMIC128 on x86_64
* fix compilation with Sphinx 8.1.0

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# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  docs: use consistent markup for footnotes
  docs: avoid footnotes consisting of just URLs
  docs: fix invalid footnote syntax
  gitlab-ci: add Rust-enabled CI job
  dockerfiles: add a Dockerfile using a nightly Rust toolchain
  meson: ensure -mcx16 is passed when detecting ATOMIC128
  meson: define qemu_isa_flags
  meson: fix machine option for x86_version
  rust: add PL011 device model
  rust: add utility procedural macro crate
  scripts/archive-source: find directory name for subprojects
  rust: add crate to expose bindings and interfaces
  meson.build: add HAVE_GLIB_WITH_ALIGNED_ALLOC flag
  .gitattributes: add Rust diff and merge attributes
  rust: add bindgen step as a meson dependency
  configure, meson: detect Rust toolchain
  build-sys: Add rust feature option
  Require meson version 1.5.0

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

6 files changed, 24 insertions, 24 deletions

diff --git a/docs/devel/atomics.rst b/docs/devel/atomics.rst
index b77c6e13e1..95c7b77c01 100644
--- a/docs/devel/atomics.rst
+++ b/docs/devel/atomics.rst
@@ -204,7 +204,7 @@ They come in six kinds:
   before the second with respect to the other components of the system.
   Therefore, unlike ``smp_rmb()`` or ``qatomic_load_acquire()``,
   ``smp_read_barrier_depends()`` can be just a compiler barrier on
-  weakly-ordered architectures such as Arm or PPC[#]_.
+  weakly-ordered architectures such as Arm or PPC\ [#alpha]_.
 
   Note that the first load really has to have a _data_ dependency and not
   a control dependency.  If the address for the second load is dependent
@@ -212,7 +212,7 @@ They come in six kinds:
   than actually loading the address itself, then it's a _control_
   dependency and a full read barrier or better is required.
 
-.. [#] The DEC Alpha is an exception, because ``smp_read_barrier_depends()``
+.. [#alpha] The DEC Alpha is an exception, because ``smp_read_barrier_depends()``
    needs a processor barrier.  On strongly-ordered architectures such
    as x86 or s390, ``smp_rmb()`` and ``qatomic_load_acquire()`` can
    also be compiler barriers only.
@@ -295,7 +295,7 @@ Acquire/release pairing and the *synchronizes-with* relation
 ------------------------------------------------------------
 
 Atomic operations other than ``qatomic_set()`` and ``qatomic_read()`` have
-either *acquire* or *release* semantics [#rmw]_.  This has two effects:
+either *acquire* or *release* semantics\ [#rmw]_.  This has two effects:
 
 .. [#rmw] Read-modify-write operations can have both---acquire applies to the
           read part, and release to the write.
diff --git a/docs/devel/build-system.rst b/docs/devel/build-system.rst
index 79eceb179d..d42045a232 100644
--- a/docs/devel/build-system.rst
+++ b/docs/devel/build-system.rst
@@ -145,13 +145,13 @@ was installed in the ``site-packages`` directory of another interpreter,
 or with the wrong ``pip`` program.
 
 If a package is available for the chosen interpreter, ``configure``
-prepares a small script that invokes it from the venv itself[#distlib]_.
+prepares a small script that invokes it from the venv itself\ [#distlib]_.
 If not, ``configure`` can also optionally install dependencies in the
 virtual environment with ``pip``, either from wheels in ``python/wheels``
 or by downloading the package with PyPI.  Downloading can be disabled with
 ``--disable-download``; and anyway, it only happens when a ``configure``
 option (currently, only ``--enable-docs``) is explicitly enabled but
-the dependencies are not present[#pip]_.
+the dependencies are not present\ [#pip]_.
 
 .. [#distlib] The scripts are created based on the package's metadata,
               specifically the ``console_script`` entry points.  This is the
@@ -333,7 +333,7 @@ into each emulator:
 
 ``default-configs/targets/*.mak``
   These files mostly define symbols that appear in the ``*-config-target.h``
-  file for each emulator [#cfgtarget]_.  However, the ``TARGET_ARCH``
+  file for each emulator\ [#cfgtarget]_.  However, the ``TARGET_ARCH``
   and ``TARGET_BASE_ARCH`` will also be used to select the ``hw/`` and
   ``target/`` subdirectories that are compiled into each target.
 
diff --git a/docs/devel/loads-stores.rst b/docs/devel/loads-stores.rst
index ec627aa9c0..9471bac859 100644
--- a/docs/devel/loads-stores.rst
+++ b/docs/devel/loads-stores.rst
@@ -95,7 +95,7 @@ guest CPU state in case of a guest CPU exception.  This is passed
 to ``cpu_restore_state()``.  Therefore the value should either be 0,
 to indicate that the guest CPU state is already synchronized, or
 the result of ``GETPC()`` from the top level ``HELPER(foo)``
-function, which is a return address into the generated code [#gpc]_.
+function, which is a return address into the generated code\ [#gpc]_.
 
 .. [#gpc] Note that ``GETPC()`` should be used with great care: calling
           it in other functions that are *not* the top level
diff --git a/docs/devel/maintainers.rst b/docs/devel/maintainers.rst
index 5c907d901c..88a613ed74 100644
--- a/docs/devel/maintainers.rst
+++ b/docs/devel/maintainers.rst
@@ -99,9 +99,9 @@ members of the QEMU community, you should make arrangements to attend
 a `KeySigningParty <https://wiki.qemu.org/KeySigningParty>`__ (for
 example at KVM Forum) or make alternative arrangements to have your
 key signed by an attendee. Key signing requires meeting another
-community member **in person** [#]_ so please make appropriate
+community member **in person**\ [#2020]_ so please make appropriate
 arrangements.
 
-.. [#] In recent pandemic times we have had to exercise some
+.. [#2020] In recent pandemic times we have had to exercise some
        flexibility here. Maintainers still need to sign their pull
        requests though.
diff --git a/docs/devel/migration/mapped-ram.rst b/docs/devel/migration/mapped-ram.rst
index d352b546e9..b08c2b433c 100644
--- a/docs/devel/migration/mapped-ram.rst
+++ b/docs/devel/migration/mapped-ram.rst
@@ -44,7 +44,7 @@ Use-cases
 
 The mapped-ram feature was designed for use cases where the migration
 stream will be directed to a file in the filesystem and not
-immediately restored on the destination VM [#]_. These could be
+immediately restored on the destination VM\ [#alternatives]_. These could be
 thought of as snapshots. We can further categorize them into live and
 non-live.
 
@@ -70,7 +70,7 @@ mapped-ram in this scenario is portability since background-snapshot
 depends on async dirty tracking (KVM_GET_DIRTY_LOG) which is not
 supported outside of Linux.
 
-.. [#] While this same effect could be obtained with the usage of
+.. [#alternatives] While this same effect could be obtained with the usage of
        snapshots or the ``file:`` migration alone, mapped-ram provides
        a performance increase for VMs with larger RAM sizes (10s to
        100s of GiBs), specially if the VM has been stopped beforehand.
diff --git a/docs/devel/testing/acpi-bits.rst b/docs/devel/testing/acpi-bits.rst
index 78aeb6aa3c..9a4d716ebf 100644
--- a/docs/devel/testing/acpi-bits.rst
+++ b/docs/devel/testing/acpi-bits.rst
@@ -30,15 +30,20 @@ OS modules are generally written using low level languages such as C and
 low level assembly machine language. Writing test routines in a low level
 language makes things more cumbersome. These and other reasons makes using
 bios-bits very attractive for testing bioses. More details on the inspiration
-for developing biosbits and its real life uses can be found in [#a]_ and [#b]_.
+for developing biosbits and its real life uses were presented `at Plumbers
+in 2011 <Plumbers_>`__ and `at Linux.conf.au in 2012 <Linux.conf.au_>`__.
 
-For QEMU, we maintain a fork of bios bits in gitlab along with all the
-dependent submodules `here <https://gitlab.com/qemu-project/biosbits-bits>`__.
-This fork contains numerous fixes, a newer acpica and changes specific to
-running these functional QEMU tests using bits. The author of this document
-is the sole maintainer of the QEMU fork of bios bits repository. For more
-information, please see author's `FOSDEM talk on this bios-bits based test
-framework <https://fosdem.org/2024/schedule/event/fosdem-2024-2262-exercising-qemu-generated-acpi-smbios-tables-using-biosbits-from-within-a-guest-vm-/>`__.
+For QEMU, we maintain a fork of bios bits in `gitlab`_, along with all
+the dependent submodules.  This fork contains numerous fixes, a newer
+acpica and changes specific to running these functional QEMU tests using
+bits. The author of this document is the current maintainer of the QEMU
+fork of bios bits repository. For more information, please see `the
+author's FOSDEM presentation <FOSDEM_>`__ on this bios-bits based test framework.
+
+.. _Plumbers: https://blog.linuxplumbersconf.org/2011/ocw/system/presentations/867/original/bits.pdf
+.. _Linux.conf.au: https://www.youtube.com/watch?v=36QIepyUuhg
+.. _gitlab: https://gitlab.com/qemu-project/biosbits-bits
+.. _FOSDEM: https://fosdem.org/2024/schedule/event/fosdem-2024-2262-exercising-qemu-generated-acpi-smbios-tables-using-biosbits-from-within-a-guest-vm-/
 
 *********************************
 Description of the test framework
@@ -148,8 +153,3 @@ Under ``tests/functional/`` as the root we have:
 
 Author: Ani Sinha <anisinha@redhat.com>
 
-References:
------------
-.. [#a] https://blog.linuxplumbersconf.org/2011/ocw/system/presentations/867/original/bits.pdf
-.. [#b] https://www.youtube.com/watch?v=36QIepyUuhg
-.. [#c] https://fosdem.org/2024/schedule/event/fosdem-2024-2262-exercising-qemu-generated-acpi-smbios-tables-using-biosbits-from-within-a-guest-vm-/