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2021-02-19Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2021-02-18' into ↵Peter Maydell
staging QAPI patches patches for 2021-02-18 # gpg: Signature made Thu 18 Feb 2021 18:51:35 GMT # gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653 # gpg: issuer "armbru@redhat.com" # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full] # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full] # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-qapi-2021-02-18: qapi/introspect.py: set _gen_tree's default ifcond argument to () qapi/introspect.py: Type _gen_tree variants as Sequence[str] qapi/introspect.py: Update copyright and authors list qapi/introspect.py: Add docstrings to _gen_tree and _tree_to_qlit qapi/introspect.py: add type hint annotations qapi/introspect.py: remove _gen_variants helper qapi/introspect.py: improve readability of _tree_to_qlit qapi/introspect.py: improve _tree_to_qlit error message qapi/introspect.py: create a typed 'Annotated' data strutcure qapi/introspect.py: Introduce preliminary tree typing qapi/introspect.py: Always define all 'extra' dict keys qapi/introspect.py: replace 'extra' dict with 'comment' argument qapi/introspect.py: Unify return type of _make_tree() qapi/introspect.py: guard against ifcond/comment misuse qapi/introspect.py: add _gen_features helper qapi/introspect.py: use _make_tree for features nodes qapi/introspect.py: assert schema is not None qapi: Replace List[str] with Sequence[str] for ifcond Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-02-19Merge remote-tracking branch ↵Peter Maydell
'remotes/huth-gitlab/tags/pull-request-2021-02-19' into staging * Always build the container images in the gitlab-CI * Some other small gitlab-CI improvements * Some qtest fixes # gpg: Signature made Fri 19 Feb 2021 06:10:20 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 * remotes/huth-gitlab/tags/pull-request-2021-02-19: travis.yml: Limit simultaneous jobs to 3 gitlab-ci.yml: Run check-tcg with TCI tests/qtest/boot-sector: Check that the guest did not panic gitlab-ci: Disable vhost-kernel in build-disable job scripts/checkpatch: Improve the check for authors mangled by the mailing list gitlab-ci: Display Avocado log content when tests timeout gitlab: fix inconsistent indentation gitlab: add fine grained job deps for all build jobs gitlab: always build container images tests/qtest/boot-serial-test: Test Virt machine with 'max' Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-02-19scripts/checkpatch: Improve the check for authors mangled by the mailing listThomas Huth
There were recently some patches on the list which had their "From:" line mangled like this: From: qemu_oss--- via <qemu-devel@nongnu.org> Since our test in the checkpatch.pl script did not trigger here, the patches finally also ended up in a pull request, with the wrong author set. So let's improve the regular expression to also complain on these new patterns, too. Message-Id: <20210216071512.1199827-1-thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-02-18device-crash-test: Remove problematic languageEduardo Habkost
Replace "whitelist" in the device-crash-test script with "rule list". I'm using "rule list" instead of "allow list" or "pass list" because the list is not used only for expected/allowed errors. It also contain rules specifying which errors shouldn't be ignored and/or should be fatal. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Acked-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210202191207.4103973-1-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2021-02-18qapi/introspect.py: set _gen_tree's default ifcond argument to ()John Snow
We don't need to create an empty, mutable list to pass to _gen_tree; since it is now typed as a Sequence, we can use the empty tuple as a default and omit the argument. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-19-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: Type _gen_tree variants as Sequence[str]John Snow
Optional[List] is clunky; an empty sequence can more elegantly convey "no variants". By downgrading "List" to "Sequence", we can also accept tuples; this is useful for the empty tuple specifically, which we may use as a default parameter because it is immutable. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-18-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Doc string touched up] Reviewed-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: Update copyright and authors listJohn Snow
To reflect the work that went into strictly typing introspect.py, punish myself by claiming credit. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-17-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: Add docstrings to _gen_tree and _tree_to_qlitJohn Snow
Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-16-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Doc string improvements squashed in] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: add type hint annotationsJohn Snow
NB: The type aliases (SchemaInfo et al) declare intent for some of the "dictly-typed" objects we pass around in introspect.py. They do not enforce the shape of those objects, and cannot, until Python 3.7 or later. (And even then, it may not be "worth it".) Annotations are also added to the QAPISchemaEntity __init__ method in schema.py to allow mypy to statically prove the type of typ.name, needed to prove the return type of QAPISchemaGenIntrospectVisitor._use_type(). Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-15-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Note on QAPISchemaEntity.__init__() squashed into commit message, Comment wrapped to conform to PEP 8] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: remove _gen_variants helperJohn Snow
It is easier to give a name to all of the dictly-typed objects we pass around in introspect.py by removing this helper, as it does not return an object that has any knowable type by itself. Inline it into its only caller instead. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-14-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: improve readability of _tree_to_qlitJohn Snow
Subjective, but I find getting rid of the comprehensions helps. Also, divide the sections into scalar and non-scalar sections, and remove old-style string formatting. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-13-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: improve _tree_to_qlit error messageJohn Snow
Trivial; make the error message just a pinch more explicit in case we trip this by accident in the future. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-12-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: create a typed 'Annotated' data strutcureJohn Snow
Presently, we use a tuple to attach a dict containing annotations (comments and compile-time conditionals) to a tree node. This is undesirable because dicts are difficult to strongly type; promoting it to a real class allows us to name the values and types of the annotations we are expecting. In terms of typing, the Annotated<T> type serves as a generic container where the annotated node's type is preserved, allowing for greater specificity than we'd be able to provide without a generic. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-11-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: Introduce preliminary tree typingJohn Snow
The types will be used in forthcoming patches to add typing. These types describe the layout and structure of the objects passed to _tree_to_qlit, but lack the power to describe annotations until the next commit. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-10-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: Always define all 'extra' dict keysJohn Snow
This mimics how a typed object works, where 'if' and 'comment' are always set, regardless of if they have a value set or not. It is safe to do this because of the way that _tree_to_qlit processes these values (using dict.get with a default of None), resulting in no change of output from _tree_to_qlit. There are no other users of this data. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-9-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: replace 'extra' dict with 'comment' argumentJohn Snow
This is only used to pass in a dictionary with a comment already set, so skip the runaround and just accept the (optional) comment. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-8-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: Unify return type of _make_tree()John Snow
Returning two different types conditionally can be complicated to type. Return one type for consistency. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-7-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: guard against ifcond/comment misuseJohn Snow
_tree_to_qlit is called recursively on dict values (isolated from their keys); at such a point in generating output it is too late to apply an ifcond. Similarly, comments do not necessarily have a "tidy" place they can be printed in such a circumstance. Forbid this usage by renaming "suppress_first_indent" to "dict_value" to emphasize that indents are suppressed only for the benefit of dict values; then add an assertion assuring we do not pass ifcond/comments in this case. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-6-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Comment wrapped to conform to PEP 8] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: add _gen_features helperJohn Snow
_make_tree might receive a dict (a SchemaInfo object) or some other type (usually, a string) for its obj parameter. Adding features information should arguably be performed by the caller at such a time when we know the type of the object and don't have to re-interrogate it. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-5-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: use _make_tree for features nodesJohn Snow
At present, we open-code this in _make_tree itself; but if the structure of the tree changes, this is brittle. Use an explicit recursive call to _make_tree when appropriate to help keep the interior node typing consistent. A consequence of doing this is that the 'ifcond' key of the features dict will be omitted when ifcond is false-ish, just like it is omitted in top-level calls to _make_tree. This also increases consistency in our handling of this property. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-4-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18qapi/introspect.py: assert schema is not NoneJohn Snow
The introspect visitor is stateful, but expects that it will have a schema to refer to. Add assertions that state this. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-3-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18Hexagon build infrastructureTaylor Simpson
Add file to default-configs Add hexagon to meson.build Add hexagon to target/meson.build Add target/hexagon/meson.build Change scripts/qemu-binfmt-conf.sh We can build a hexagon-linux-user target and run programs on the Hexagon scalar core. With hexagon-linux-clang installed, "make check-tcg" will pass. Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Taylor Simpson <tsimpson@quicinc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1612763186-18161-35-git-send-email-tsimpson@quicinc.com> [rth: Use top-level python variable] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-02-18qapi: Replace List[str] with Sequence[str] for ifcondJohn Snow
It does happen to be a list (as of now), but we can describe it in more general terms with no loss in accuracy to allow tuples and other constructs. In the future, we can write "ifcond: Sequence[str] = ()" as a default parameter, which we could not do safely with a Mutable type like a List. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210216021809.134886-2-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-18Hexagon (linux-user/hexagon) Linux user emulationTaylor Simpson
Implementation of Linux user emulation for Hexagon Some common files modified in addition to new files in linux-user/hexagon Acked-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Taylor Simpson <tsimpson@quicinc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1612763186-18161-31-git-send-email-tsimpson@quicinc.com> [rth: Fix termbits.h on review by Laurent] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-02-15travis.yml: Move gprof/gcov test across to gitlabPhilippe Mathieu-Daudé
Similarly to commit 8cdb2cef3f1, move the gprof/gcov test to GitLab. The coverage-summary.sh script is not Travis-CI specific, make it generic. [thuth: Add gcovr and bsdmainutils which are required for the coverage-summary.sh script to the ubuntu docker file, and use 'check' as test target] Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Message-Id: <20201108204535.2319870-10-philmd@redhat.com> Message-Id: <20210211045455.456371-2-thuth@redhat.com> Message-Id: <20210211122750.22645-2-alex.bennee@linaro.org>
2021-02-09get_maintainer: update repo URL to GitLabStefan Hajnoczi
qemu.org is running out of bandwidth and the QEMU project is moving towards a gating CI on GitLab. Use the GitLab repos instead of qemu.org (they will become mirrors). Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210111115017.156802-7-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-02-09Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into ↵Peter Maydell
staging * Fuzzing improvements (Qiuhao, Alexander) * i386: Fix BMI decoding for instructions with the 0x66 prefix (David) * initial attempt at fixing event_notifier emulation (Maxim) * i386: PKS emulation, fix for "qemu-system-i386 -cpu host" (myself) * meson: RBD test fixes (myself) * meson: TCI warnings (Philippe) * Leaner build for --disable-guest-agent, --disable-system and --disable-tools (Philippe, Stefan) * --enable-tcg-interpreter fix (Richard) * i386: SVM feature bits (Wei) * KVM bugfix (Thomas H.) * Add missing MemoryRegionOps callbacks (PJP) # gpg: Signature made Mon 08 Feb 2021 14:15:35 GMT # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini-gitlab/tags/for-upstream: (46 commits) target/i386: Expose VMX entry/exit load pkrs control bits target/i386: Add support for save/load IA32_PKRS MSR imx7-ccm: add digprog mmio write method tz-ppc: add dummy read/write methods spapr_pci: add spapr msi read method nvram: add nrf51_soc flash read method prep: add ppc-parity write method vfio: add quirk device write method pci-host: designware: add pcie-msi read method hw/pci-host: add pci-intack write method cpu-throttle: Remove timer_mod() from cpu_throttle_set() replay: rng-builtin support pc-bios/descriptors: fix paths in json files replay: fix replay of the interrupts accel/kvm/kvm-all: Fix wrong return code handling in dirty log code qapi/meson: Restrict UI module to system emulation and tools qapi/meson: Restrict system-mode specific modules qapi/meson: Remove QMP from user-mode emulation qapi/meson: Restrict qdev code to system-mode emulation meson: Restrict emulation code ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-02-08Merge remote-tracking branch ↵Peter Maydell
'remotes/dgilbert/tags/pull-migration-20210208a' into staging Migration pull 2021-02-08 v2 Dropped vmstate: Fix memory leak in vmstate_handle_alloc Broke on Power Added migration: only check page size match if RAM postcopy is enabled # gpg: Signature made Mon 08 Feb 2021 11:28:14 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 * remotes/dgilbert/tags/pull-migration-20210208a: (27 commits) migration: only check page size match if RAM postcopy is enabled migration: introduce snapshot-{save, load, delete} QMP commands iotests: fix loading of common.config from tests/ subdir iotests: add support for capturing and matching QMP events migration: introduce a delete_snapshot wrapper migration: wire up support for snapshot device selection migration: control whether snapshots are ovewritten block: rename and alter bdrv_all_find_snapshot semantics block: allow specifying name of block device for vmstate storage block: add ability to specify list of blockdevs during snapshot migration: stop returning errno from load_snapshot() migration: Make save_snapshot() return bool, not 0/-1 block: push error reporting into bdrv_all_*_snapshot functions migration: Display the migration blockers migration: Add blocker information migration: Fix a few absurdly defective error messages migration: Fix cache_init()'s "Failed to allocate" error messages migration: Clean up signed vs. unsigned XBZRLE cache-size migration: Fix migrate-set-parameters argument validation migration: introduce 'userfaultfd-wrlat.py' script ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-02-08Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2021-02-08' into ↵Peter Maydell
staging QAPI patches patches for 2021-02-08 # gpg: Signature made Mon 08 Feb 2021 13:54:26 GMT # gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653 # gpg: issuer "armbru@redhat.com" # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full] # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full] # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-qapi-2021-02-08: qapi: enable strict-optional checks qapi: type 'info' as Optional[QAPISourceInfo] qapi/gen: Drop support for QAPIGen without a file name qapi/commands: Simplify command registry generation qapi/gen: Support switching to another module temporarily qapi/gen: write _genc/_genh access shims qapi: centralize the built-in module name definition qapi/gen: Combine ._add_[user|system]_module qapi: use './builtin' as the built-in module name qapi: use explicitly internal module names qapi/gen: Replace ._begin_system_module() qapi: centralize is_[user|system|builtin]_module methods qapi/gen: inline _wrap_ifcond into end_if() qapi/main: handle theoretical None-return from re.match() qapi/events: fix visit_event typing qapi/commands: assert arg_type is not None Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-02-08fuzz: fix wrong index in clear_bitsQiuhao Li
Signed-off-by: Qiuhao Li <Qiuhao.Li@outlook.com> Message-Id: <SYCPR01MB3502E9F6EB06DEDCD484F738FCBA9@SYCPR01MB3502.ausprd01.prod.outlook.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-02-08qapi: enable strict-optional checksJohn Snow
In the modules that we are checking so far, we can be stricter about the difference between Optional[T] and T types. Enable that check. Enabling it now will assist review on further typing and cleanup work. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-17-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi: type 'info' as Optional[QAPISourceInfo]John Snow
For everything typed so far, type this parameter as Optional[QAPISourceInfo]. In the most generic case, QAPISchemaEntity's info field may be None to represent types that come from built-in definitions. Although some Entity types may not currently have any built-in definitions, it is not easily possible to constrain the type except on an ad-hoc basis using assertions. It's easier and simpler, then, to just say it's always an Optional type. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-16-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi/gen: Drop support for QAPIGen without a file nameMarkus Armbruster
The previous commit removed the only user of QAPIGen(None). Tighten the type hint. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-15-jsnow@redhat.com>
2021-02-08qapi/commands: Simplify command registry generationMarkus Armbruster
QAPISchemaGenCommandVisitor.visit_command() needs to generate the marshalling function into the current module, and also generate its registration into the ./init system module. The latter is done somewhat awkwardly: .__init__() creates a QAPIGenCCode that will not be written out, each .visit_command() adds its registration to it, and .visit_end() copies its contents into the ./init module it creates. Instead provide the means to temporarily switch to another module. Create the ./init module in .visit_begin(), and generate its initial part. Add registrations to it in .visit_command(). Finish it in .visit_end(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-14-jsnow@redhat.com>
2021-02-08qapi/gen: Support switching to another module temporarilyMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-13-jsnow@redhat.com> [Commit message tweaked]
2021-02-08qapi/gen: write _genc/_genh access shimsJohn Snow
Many places assume they can access these fields without checking them first to ensure they are defined. Eliminating the _genc and _genh fields and replacing them with functional properties that check for correct state can ease the typing overhead by eliminating the Optional[T] return type. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-12-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi: centralize the built-in module name definitionJohn Snow
Use a constant to make it obvious we're referring to a very specific thing. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-11-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi/gen: Combine ._add_[user|system]_moduleMarkus Armbruster
With callers to _add_system_module now explicitly using the './' prefix to indicate a system module, there is no longer any reason to have separate interfaces for adding system vs user modules; use a unified interface that differentiates based on the name. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-10-jsnow@redhat.com>
2021-02-08qapi: use './builtin' as the built-in module nameJohn Snow
Use './builtin' as the built-in module name instead of None. Clarify the typing that this is now always a string. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-9-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi: use explicitly internal module namesJohn Snow
QAPISchemaModularCVisitor._add_system_module() prefixes './' to its name argument to make it a module name. Pass the module name instead. This will allow us to coalesce the methods to add modules later on. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-8-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Commit message reworded] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi/gen: Replace ._begin_system_module()Markus Armbruster
QAPISchemaModularCVisitor._begin_system_module() is actually just for the builtin module. Rename it to ._begin_builtin_module() and drop its useless @name parameter. Clarify conditionals in visit_module to make this clear. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-7-jsnow@redhat.com>
2021-02-08qapi: centralize is_[user|system|builtin]_module methodsJohn Snow
Define what a module is and define what kind of a module it is once and for all, in one place. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-6-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi/gen: inline _wrap_ifcond into end_if()John Snow
We assert _start_if is not None in end_if, but that's opaque to mypy. By inlining _wrap_ifcond, that constraint becomes provable to mypy. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-5-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi/main: handle theoretical None-return from re.match()John Snow
Mypy cannot understand that this match can never be None, so help it along. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-4-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi/events: fix visit_event typingJohn Snow
Actually, the arg_type can indeed be Optional. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-3-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi/commands: assert arg_type is not NoneJohn Snow
When boxed is True, expr.py asserts that we must have arguments. Ultimately, this should mean that if boxed is True that arg_type should be defined. Mypy cannot infer this, and does not support 'stateful' type inference, e.g.: ``` if x: assert y is not None ... if x: y.etc() ``` does not work, because mypy does not statefully remember the conditional assertion in the second block. Help mypy out by creating a new local that it can track more easily. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20210201193747.2169670-2-jsnow@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08migration: introduce 'userfaultfd-wrlat.py' scriptAndrey Gruzdev
Add BCC/eBPF script to analyze userfaultfd write fault latency distribution. Signed-off-by: Andrey Gruzdev <andrey.gruzdev@virtuozzo.com> Reviewed-by: Peter Xu <peterx@redhat.com> Message-Id: <20210129101407.103458-6-andrey.gruzdev@virtuozzo.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-08scripts/mtest2make.py: export all-%s-targets variable and use itAlex Bennée
There are some places where the conditional makefile support is the simplest solution. Now we don't expose CONFIG_TCG as a variable create a new one that can be checked for the check-help output. As check-tcg is a PHONY target we re-use check-softfloat to gate that as well. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210202134001.25738-13-alex.bennee@linaro.org>
2021-02-01simpletrace: build() missing 2 required positional argumentsVolker Rümelin
Commit 4e66c9ef64 "tracetool: add input filename and line number to Event" forgot to add a line number and a filename argument at one build method call site. Traceback (most recent call last): File "./scripts/simpletrace.py", line 261, in <module> run(Formatter()) File "./scripts/simpletrace.py", line 236, in run process(events, sys.argv[2], analyzer, read_header=read_header) File "./scripts/simpletrace.py", line 177, in process dropped_event = Event.build("Dropped_Event(uint64_t num_events_dropped)") TypeError: build() missing 2 required positional arguments: 'lineno' and 'filename' Add the missing arguments. Signed-off-by: Volker Rümelin <vr_qemu@t-online.de> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20210131173415.3392-1-vr_qemu@t-online.de Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-02-01trace: make the 'log' backend timestamp configurableStefan Hajnoczi
Timestamps in tracing output can be distracting. Make it possible to control tid/timestamp printing with -msg timestamp=on|off. The default is no tid/timestamps. Previously they were always printed. Suggested-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20210125113507.224287-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>