When qemu-keymap is not available on the host, and enable-xkbcommon
is specified, parallel make fails with:
% make clean
...
% make -j 32
...
FAILED: pc-bios/keymaps/is
./qemu-keymap -f pc-bios/keymaps/is -l is
/bin/sh: ./qemu-keymap: No such file or directory
... many similar messages ...
The code always runs find_program, rather than waiting to build
qemu-keymap, because it looks for CONFIG_XKBCOMMON in config_host
rather than config_host_data. Making serially succeeds, by soft
linking files from pc-bios/keymaps, but that is not the desired
result for enable-xkbcommon.
Examining all occurrences of 'in config_host' for similar bugs shows one
instance in the docs, which is also fixed here.
Fixes: 4113f4cfee ("meson: move xkbcommon to meson")
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1675708442-74966-1-git-send-email-steven.sistare@oracle.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Replace fork-based fuzzing with reboots.
Now the fuzzers will reboot the guest between inputs.
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# gpg: using RSA key FAD4E2BF871375D6340517C44E661DDE583A964E
# gpg: Good signature from "Alexander Bulekov <alxndr@bu.edu>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: FAD4 E2BF 8713 75D6 3405 17C4 4E66 1DDE 583A 964E
* tag 'pr-2023-02-16' of https://gitlab.com/a1xndr/qemu:
docs/fuzz: remove mentions of fork-based fuzzing
fuzz: remove fork-fuzzing scaffolding
fuzz/i440fx: remove fork-based fuzzer
fuzz/virtio-blk: remove fork-based fuzzer
fuzz/virtio-net: remove fork-based fuzzer
fuzz/virtio-scsi: remove fork-based fuzzer
fuzz/generic-fuzz: add a limit on DMA bytes written
fuzz/generic-fuzz: use reboots instead of forks to reset state
fuzz: add fuzz_reset API
hw/sparse-mem: clear memory on reset
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Remove C virtiofsd
We deprecated the C virtiofsd in commit 34deee7b6a
in v7.0 in favour of the Rust implementation at
https://gitlab.com/virtio-fs/virtiofsd
since then, the Rust version has had more development and
has held up well. It's time to say goodbye to the C version
that got us going.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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# gpg: Signature made Thu 16 Feb 2023 18:24:25 GMT
# gpg: using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7
* tag 'pull-virtiofs-20230216b' of https://gitlab.com/dagrh/qemu:
virtiofsd: Swing deprecated message to removed-features
virtiofsd: Remove source
virtiofsd: Remove build and docs glue
virtiofsd: Remove test
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Historically, the critical dependency for both building and running
QEMU has been the distro packages. Because QEMU is written in C and C's
package management has been tied to distros (at least if you do not want
to bundle libraries with the binary, otherwise I suppose you could use
something like conda or wrapdb), C dependencies of QEMU would target the
version that is shipped in relatively old but still commonly used distros.
For non-C libraries, however, the situation is different, as these
languages have their own package management tool (cpan, pip, gem, npm,
and so on). For some of these languages, the amount of dependencies
for even a simple program can easily balloon to the point that many
distros have given up on packaging non-C code. For this reason, it has
become increasingly normal for developers to download dependencies into
a self-contained local environment, instead of relying on distro packages.
Fortunately, this affects QEMU only at build time, as qemu.git does
not package non-C artifacts such as the qemu.qmp package; but still,
as we make more use of Python, we experience a clash between a support
policy that is written for the C world, and dependencies (both direct
and indirect) that increasingly do not care for the distro versions
and are quick at moving past Python runtime versions that are declared
end-of-life.
For example, Python 3.6 has been EOL'd since December 2021 and Meson 0.62
(released the following March) already dropped support for it. Yet,
Python 3.6 is the default version of the Python runtime for RHEL/CentOS
8 and SLE 15, respectively the penultimate and the most recent version
of two distros that QEMU would like to support. (It is also the version
used by Ubuntu 18.04, but QEMU stopped supporting it in April 2022).
There are good reasons to move forward with the deprecation of Python
3.6 in QEMU as well: completing the configure->meson switch (which
requires Meson 0.63), and making the QAPI generator fully typed (which
requires newer versions of not just mypy but also Python, due to PEP563).
Fortunately, these long-term support distros do include newer versions of
the Python runtime. However, these more recent runtimes only come with
a very small subset of the Python packages that the distro includes.
Because most dependencies are optional tests (avocado, mypy, flake8)
and Meson is bundled with QEMU, the most noticeably missing package is
Sphinx (and the readthedocs theme). There are four possibilities:
* we change the support policy and stop supporting CentOS 8 and SLE 15;
not a good idea since CentOS 8 is not an unreasonable distro for us to
want to continue to support
* we keep supporting Python 3.6 until CentOS 8 and SLE 15 stop being
supported. This is a possibility---but we may want to revise the support
policy anyway because SLE 16 has not even been released, so this would
mean delaying those desirable reasons for perhaps three years;
* we support Python 3.6 just for building documentation, i.e. we are
careful not to use Python 3.7+ features in our Sphinx extensions but are
free to use them elsewhere. Besides being more complicated to understand
for developers, this can be quite limiting; parts of the QAPI generator
run at sphinx-build time, which would exclude one of the areas which
would benefit from a newer version of the runtime;
* we only support Python 3.7+, which means CentOS 8 CI and users
have to either install Sphinx from pip or disable documentation.
This proposed update to the support policy chooses the last of these
possibilities. It does by modifying three aspects of the support
policy:
* it introduces different support periods for *native* vs. *non-native*
dependencies. Non-native dependencies are currently Python ones only,
and for simplicity the policy only mentions Python; however, the concept
generalizes to other languages with a well-known upstream package
manager, that users of older distributions can fetch dependencies from;
* it opens up the possibility of taking non-native dependencies from their
own package index instead of using the version in the distribution. The
wording right now is specific to dependencies that are only required at
build time. In the future we may have to refine it if, for example, parts
of QEMU will be written in Rust; in that case, crates would be handled
in a similar way to submodules and vendored in the release tarballs.
* it mentions specifically that optional build dependencies are excluded
from the platform policy. Tools such as mypy don't affect the ability
to build QEMU and move fast enough that distros cannot standardize on
a single version of them (for example RHEL9 does not package them at
all, nor does it run them at rpmbuild time). In other cases, such as
cross compilers, we have alternatives.
Right now, non-native dependencies have to be download manually by
running "pip" before "configure". In the future, it will be desirable
for configure to set up a virtual environment and download them in the
same way that it populates git submodules (but, in this case, without
vendoring them in the release tarballs).
Just like with submodules, this would make things easier for people
that can afford accessing the network in their build environment; the
option to populate the build environment manually would remain for
people whose build machines lack network access. The change to the
support policy neither requires nor forbids this future change.
[Thanks to Daniel P. Berrangé, Peter Maydell and others for discussions
that were copied or summarized in the above commit message]
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: John Snow <jsnow@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move the deprecation message, since it's now gone.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Remove all the virtiofsd build and docs infrastructure.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
This has been replaced by the 'password-secret' option,
which references a 'secret' object instance.
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Support for referencing secret objects was added in
commit b189346eb1
Author: Daniel P. Berrangé <berrange@redhat.com>
Date: Thu Jan 21 14:19:21 2016 +0000
iscsi: add support for getting CHAP password via QCryptoSecret API
The existing 'password' option is overdue for deprecation and
subsequent removal.
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
We split the function into to:
- state_pending_estimate: We estimate the remaining state size without
stopping the machine.
- state pending_exact: We calculate the exact amount of remaining
state.
The only "device" that implements different functions for _estimate()
and _exact() is ram.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Testing, docs, semihosting and plugin updates
- update playbooks for custom runners
- add section timing support to gitlab
- upgrade fedora images to 37
- purge perl from the build system and deps
- disable unstable tests in CI
- improve intro, emulation and semihosting docs
- semihosting bug fix and O_BINARY default
- add memory-sve test
- fix some races in qht
- improve plugin handling of memory helpers
- optimise plugin hooks
- fix some plugin deadlocks
- reduce win64-cross build time by dropping some targets
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# gpg: Signature made Thu 02 Feb 2023 15:59:52 GMT
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* tag 'pull-jan-omnibus-020223-1' of https://gitlab.com/stsquad/qemu: (36 commits)
gitlab: cut even more from cross-win64-system build
plugins: Iterate on cb_lists in qemu_plugin_user_exit
cpu-exec: assert that plugin_mem_cbs is NULL after execution
tcg: exclude non-memory effecting helpers from instrumentation
translator: always pair plugin_gen_insn_{start, end} calls
plugins: fix optimization in plugin_gen_disable_mem_helpers
plugins: make qemu_plugin_user_exit's locking order consistent with fork_start's
util/qht: use striped locks under TSAN
thread: de-const qemu_spin_destroy
util/qht: add missing atomic_set(hashes[i])
cpu: free cpu->tb_jmp_cache with RCU
tests/tcg: add memory-sve test for aarch64
semihosting: add O_BINARY flag in host_open for NT compatibility
semihosting: Write back semihosting data before completion callback
docs: add an introduction to the system docs
semihosting: add semihosting section to the docs
docs: add a new section to outline emulation support
docs: add hotlinks to about preface text
MAINTAINERS: Fix the entry for tests/tcg/nios2
gitlab: wrap up test results for custom runners
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* qtest improvements
* Remove the deprecated OTP config of sifive_u
* Add libfdt to some of our CI jobs that were still missing it
* Use __builtin_bswap() everywhere (all compiler versions support it now)
* Deprecate the HAXM accelerator
* Document PCI devices handling on s390x
* Make Audiodev introspectable
* Improve the runtime of some CI jobs
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# gpg: Signature made Tue 31 Jan 2023 10:05:10 GMT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2023-01-31' of https://gitlab.com/thuth/qemu: (27 commits)
gitlab-ci.d/buildtest: Merge the --without-default-* jobs
tests/qtest/display-vga-test: Add proper checks if a device is available
gitlab-ci.d/buildtest: Remove ppc-softmmu from the clang-system job
qapi, audio: Make introspection reflect build configuration more closely
qapi, audio: add query-audiodev command
docs/s390x/pcidevices: document pci devices on s390x
tests/qtest/boot-serial-test: Constify tests[] array
tests/qtest/vnc-display-test: Disable on Darwin
tests/qtest/vnc-display-test: Use the 'none' machine
tests/qtest/vnc-display-test: Suppress build warnings on Windows
tests/tcg: Do not build/run TCG tests if TCG is disabled
docs/about/deprecated: Mark HAXM in QEMU as deprecated
MAINTAINERS: Abort HAXM maintenance
qemu/bswap: Use compiler __builtin_bswap() on NetBSD
qemu/bswap: Use compiler __builtin_bswap() on FreeBSD
qemu/bswap: Use compiler __builtin_bswap() on Haiku
qemu/bswap: Remove <byteswap.h> dependency
qemu/bswap: Replace bswapXXs() by compiler __builtin_bswap()
qemu/bswap: Replace bswapXX() by compiler __builtin_bswap()
tests/docker/dockerfiles: Add libfdt to the i386 and to the riscv64 container
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Drop the frankly misleading quickstart section for a more rounded
introduction section. This new section gives an overview of the
accelerators as well as a high level introduction to some of the key
features of the emulator. We also expand on a general form for a QEMU
command line with a hopefully not too scary worked example of what
this looks like.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20230124180127.1881110-23-alex.bennee@linaro.org>
Thomas Huth
Steve SistareandThomas Huth
Peter Maydell
Markus Armbruster
Paolo Bonzini
Alexander Bulekov
Avihai HoronandAlex Williamson
Dr. David Alan Gilbert
Hao WuandPeter Maydell
Daniel P. Berrangé
Alex BennéeandThomas Huth
Juan Quintela