This commit was created with scripts/clean-includes.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20230202133830.2152150-19-armbru@redhat.com>
This commit was created with scripts/clean-includes.
All .c should include qemu/osdep.h first. The script performs three
related cleanups:
* Ensure .c files include qemu/osdep.h first.
* Including it in a .h is redundant, since the .c already includes
it. Drop such inclusions.
* Likewise, including headers qemu/osdep.h includes is redundant.
Drop these, too.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230202133830.2152150-12-armbru@redhat.com>
[Straightforward conflict with commit d5890ea072 resolved]
Add a helper to create the uffd handle.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
We are about to allow passing Int128 to/from tcg helper functions,
but libffi doesn't support __int128_t, so use the structure.
In order for atomic128.h to continue working, we must provide
a mechanism to frob between real __int128_t and the structure.
Provide a new union, Int128Alias, for this. We cannot modify
Int128 itself, as any changed alignment would also break libffi.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
monitor/misc.h has static add_completion_option(). It's useful
elsewhere in the monitor. Since it's not monitor-specific, move it to
util/readline.c renamed to readline_add_completion_of(), and put it to
use.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-7-armbru@redhat.com>
- qemu-img info: Show protocol-level information
- Move more functions to coroutines
- Make coroutine annotations ready for static analysis
- qemu-img: Fix exit code for errors closing the image
- qcow2 bitmaps: Fix theoretical corruption in error path
- pflash: Only load non-zero parts of backend image to save memory
- Code cleanup and test case improvements
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging
Block layer patches
- qemu-img info: Show protocol-level information
- Move more functions to coroutines
- Make coroutine annotations ready for static analysis
- qemu-img: Fix exit code for errors closing the image
- qcow2 bitmaps: Fix theoretical corruption in error path
- pflash: Only load non-zero parts of backend image to save memory
- Code cleanup and test case improvements
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# gpg: Signature made Wed 01 Feb 2023 16:00:53 GMT
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (38 commits)
qemu-img: Change info key names for protocol nodes
qemu-img: Let info print block graph
iotests/106, 214, 308: Read only one size line
iotests: Filter child node information
block/qapi: Add indentation to bdrv_node_info_dump()
block/qapi: Introduce BlockGraphInfo
block/qapi: Let bdrv_query_image_info() recurse
qemu-img: Use BlockNodeInfo
block: Split BlockNodeInfo off of ImageInfo
block/vmdk: Change extent info type
block/file: Add file-specific image info
block: Improve empty format-specific info dump
block/nbd: Add missing <qemu/bswap.h> include
block: Rename bdrv_load/save_vmstate() to bdrv_co_load/save_vmstate()
block: Convert bdrv_debug_event() to co_wrapper_mixed
block: Convert bdrv_lock_medium() to co_wrapper
block: Convert bdrv_eject() to co_wrapper
block: Convert bdrv_get_info() to co_wrapper_mixed
block: Convert bdrv_get_allocated_file_size() to co_wrapper
block: use bdrv_co_refresh_total_sectors when possible
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- 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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Merge tag 'pull-jan-omnibus-020223-1' of https://gitlab.com/stsquad/qemu into staging
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>
We were mistakenly checking tcg_ctx->plugin_insn as a canary to know
whether the TB had emitted helpers that might have accessed memory.
The problem is that tcg_ctx->plugin_insn gets updated on every
instruction in the TB, which results in us wrongly performing the
optimization (i.e. not clearing cpu->plugin_mem_cbs) way too often,
since it's not rare that the last instruction in the TB doesn't
use helpers.
Fix it by tracking a per-TB canary.
While at it, expand documentation.
Related: #1381
Signed-off-by: Emilio Cota <cota@braap.org>
Message-Id: <20230108164731.61469-2-cota@braap.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230124180127.1881110-32-alex.bennee@linaro.org>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the NetBSD specific ifdef'ry.
This reverts commit 1360677cfe
("makes NetBSD use the native bswap functions").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-7-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the FreeBSD specific ifdef'ry.
This reverts commit de03c3164a
("bswap: Fix build on FreeBSD 10.0").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-6-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the Haiku specific ifdef'ry.
This reverts commit 652a46ebba
("bswap.h: Include <endian.h> on Haiku for bswap operations").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-5-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Drop the <byteswap.h> dependency.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-4-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-3-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Use the compiler built-in function to byte swap values,
as the compiler is clever and will fold constants.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-2-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Add more annotations to functions, describing valid and invalid
calls from coroutine to non-coroutine context.
When applied to a function, no_coroutine_fn advertises that it should
not be called from coroutine_fn functions. This can be because the
function blocks or, in the case of generated_co_wrapper, to enforce
that coroutine_fn functions directly call the coroutine_fn that backs
the generated_co_wrapper.
coroutine_mixed_fn instead is for function that can be called in
both coroutine and non-coroutine context, but will suspend when
called in coroutine context. Annotating them is a first step
towards enforcing that non-annotated functions are absolutely
not going to suspend.
These can be used for example with the vrc tool:
# find functions that *really* cannot be called from no_coroutine_fn
(vrc) load --loader clang libblock.fa.p/meson-generated_.._block_block-gen.c.o
(vrc) paths [no_coroutine_fn,!coroutine_mixed_fn]
bdrv_remove_persistent_dirty_bitmap
bdrv_create
bdrv_can_store_new_dirty_bitmap
# find how coroutine_fns end up calling a mixed function
(vrc) load --loader clang --force libblock.fa.p/*.c.o
(vrc) paths [coroutine_fn] [!no_coroutine_fn]* [coroutine_mixed_fn]
...
bdrv_pread <- vhdx_log_write <- vhdx_log_write_and_flush <- vhdx_co_writev
...
Signed-off-by: Alberto Faria <afaria@redhat.com>
[Rebase, add coroutine_mixed_fn. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221216110758.559947-3-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Clang has a generic __annotate__ attribute that can be used by
static analyzers to understand properties of functions and
analyze the control flow. Furthermore, unlike TSA annotations, the
__annotate__ attribute applies to function pointers as well.
As a first step towards static analysis of coroutine_fn markers,
attach the attribute to the marker when compiling with clang.
Signed-off-by: Alberto Faria <afaria@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221216110758.559947-2-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
qemu/coroutine.h and qemu/lockable.h include each other.
They need each other only in macro expansions, so we could simply drop
both inclusions to break the loop, and add suitable includes to files
that expand the macros.
Instead, move a part of qemu/coroutine.h to new qemu/coroutine-core.h
so that qemu/coroutine-core.h doesn't need qemu/lockable.h, and
qemu/lockable.h only needs qemu/coroutine-core.h. Result:
qemu/coroutine.h includes qemu/lockable.h includes
qemu/coroutine-core.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221221131435.3851212-5-armbru@redhat.com>
[Semantic rebase conflict with 7c10cb38cc "accel/tcg: Add debuginfo
support" resolved]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221221131435.3851212-4-armbru@redhat.com>
block/block-hmp-cmds.h and qemu/co-shared-resource.h use coroutine_fn
without including qemu/coroutine.h. They compile only if it's already
included from elsewhere.
I could fix that, but pulling in qemu/coroutine.h and everything it
includes just for a macro that expands into nothing feels silly.
Instead, move the macro to qemu/osdep.h.
Inclusions of qemu/coroutine.h just for coroutine_fn become
superfluous. Drop them.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221221131435.3851212-3-armbru@redhat.com>
This even spares some casts in hot code paths along the way.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109172347.1830-10-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Replace HAVE_CHARDEV_PARPORT with a Meson conditional, remove unnecessary
defines, and close the file descriptor on FreeBSD/DragonFly.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Rework and improvements of the EINTR handling by Nikita
* Deprecate the -no-hpet command line option
* Disable the qtests in the 32-bit Windows CI job again
* Some other misc fixes here and there
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Merge tag 'pull-request-2023-01-09' of https://gitlab.com/thuth/qemu into staging
* s390x header clean-ups from Philippe
* Rework and improvements of the EINTR handling by Nikita
* Deprecate the -no-hpet command line option
* Disable the qtests in the 32-bit Windows CI job again
* Some other misc fixes here and there
# gpg: Signature made Mon 09 Jan 2023 14:21:19 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-2023-01-09' of https://gitlab.com/thuth/qemu:
.gitlab-ci.d/windows: Do not run the qtests in the msys2-32bit job
error handling: Use RETRY_ON_EINTR() macro where applicable
Refactoring: refactor TFR() macro to RETRY_ON_EINTR()
docs/interop: Change the vnc-ledstate-Pseudo-encoding doc into .rst
i386: Deprecate the -no-hpet QEMU command line option
tests/qtest/bios-tables-test: Replace -no-hpet with hpet=off machine parameter
tests/readconfig: spice doesn't support unix socket on windows yet
target/s390x: Restrict sysemu/reset.h to system emulation
target/s390x/tcg/excp_helper: Restrict system headers to sysemu
target/s390x/tcg/misc_helper: Remove unused "memory.h" include
hw/s390x/pv: Restrict Protected Virtualization to sysemu
exec/memory: Expose memory_region_access_valid()
MAINTAINERS: Add MIPS-related docs and configs to the MIPS architecture section
tests/vm: Update get_default_jobs() to work on non-x86_64 non-KVM hosts
qemu-iotests/stream-under-throttle: do not shutdown QEMU
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Rename macro name to more transparent one and refactor
it to expression.
Signed-off-by: Nikita Ivanov <nivanov@cloudlinux.com>
Message-Id: <20221023090422.242617-2-nivanov@cloudlinux.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
mostly vhost-vdpa:
guest announce feature emulation when using shadow virtqueue
support for configure interrupt
startup speed ups
an acpi change to only generate cluster node in PPTT when specified for arm
misc fixes, cleanups
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: features, cleanups, fixes
mostly vhost-vdpa:
guest announce feature emulation when using shadow virtqueue
support for configure interrupt
startup speed ups
an acpi change to only generate cluster node in PPTT when specified for arm
misc fixes, cleanups
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 08 Jan 2023 08:01:39 GMT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (50 commits)
vhost-scsi: fix memleak of vsc->inflight
acpi: cpuhp: fix guest-visible maximum access size to the legacy reg block
tests: acpi: aarch64: Add *.topology tables
tests: acpi: aarch64: Add topology test for aarch64
tests: acpi: Add and whitelist *.topology blobs
tests: virt: Update expected ACPI tables for virt test
hw/acpi/aml-build: Only generate cluster node in PPTT when specified
tests: virt: Allow changes to PPTT test table
virtio-pci: fix proxy->vector_irqfd leak in virtio_pci_set_guest_notifiers
vdpa: commit all host notifier MRs in a single MR transaction
vhost: configure all host notifiers in a single MR transaction
vhost: simplify vhost_dev_enable_notifiers
vdpa: harden the error path if get_iova_range failed
vdpa-dev: get iova range explicitly
docs/devel: Rules on #include in headers
include: Include headers where needed
include/hw/virtio: Break inclusion loop
include/hw/cxl: Break inclusion loop cxl_pci.h and cxl_cdat_h
include/hw/pci: Include hw/pci/pci.h where needed
include/hw/pci: Split pci_device.h off pci.h
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* Always send errors to logfile when daemonized (Greg)
* Add support for IDE CompactFlash card (Lubomir)
* First round of build system cleanups (myself)
* First round of feature removals (myself)
* Reduce "qemu/accel.h" inclusion (Philippe)
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* Atomic memslot updates for KVM (Emanuele, David)
* Always send errors to logfile when daemonized (Greg)
* Add support for IDE CompactFlash card (Lubomir)
* First round of build system cleanups (myself)
* First round of feature removals (myself)
* Reduce "qemu/accel.h" inclusion (Philippe)
# gpg: Signature made Thu 05 Jan 2023 23:51:09 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
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
i386: SGX: remove deprecated member of SGXInfo
target/i386: Add SGX aex-notify and EDECCSSA support
util: remove support -chardev tty and -chardev parport
util: remove support for hex numbers with a scaling suffix
KVM: remove support for kernel-irqchip=off
docs: do not talk about past removal as happening in the future
meson: accept relative symlinks in "meson introspect --installed" data
meson: cleanup compiler detection
meson: support meson 0.64 -Doptimization=plain
configure: test all warnings
tests/qapi-schema: remove Meson workaround
meson: cleanup dummy-cpus.c rules
meson: tweak hardening options for Windows
configure: remove backwards-compatibility and obsolete options
configure: preserve qemu-ga variables
configure: cleanup $cpu tests
configure: remove dead function
configure: remove useless write_c_skeleton
ide: Add "ide-cf" driver, a CompactFlash card
ide: Add 8-bit data mode
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
A number of headers neglect to include everything they need. They
compile only if the headers they need are already included from
elsewhere. Fix that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221222120813.727830-3-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Forward-declare AccelState in "qemu/typedefs.h" so structures
using a reference of it (like MachineState in "hw/boards.h")
don't have to include "qemu/accel.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-Id: <20221130135641.85328-2-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Create a wrapper for locking/unlocking the iothread lock.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Windows does not have <sys/xattr.h>.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Message-Id: <20221219102022.2167736-2-bin.meng@windriver.com>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Copy and simplify the Linux kernel's interval_tree_generic.h,
instantiating for uint64_t.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20221207131838.239125-8-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20221207131838.239125-7-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This defines macros that allow clang to perform Thread Safety Analysis
based on function and variable annotations that specify the locking
rules. On non-clang compilers, the annotations are ignored.
Imported tsa.h from the original repository with the pthread_mutex_t
wrapper removed:
https://github.com/jhi/clang-thread-safety-analysis-for-c.git
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20221207131838.239125-6-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This simplifies error checking.
Cc: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221121085054.683122-7-armbru@redhat.com>
Since we already have bitmap_mutex to protect either the dirty bitmap or
the clear log bitmap, we don't need atomic operations to set/clear/test on
the clear log bitmap. Switching all ops from atomic to non-atomic
versions, meanwhile touch up the comments to show which lock is in charge.
Introduced non-atomic version of bitmap_test_and_clear_atomic(), mostly the
same as the atomic version but simplified a few places, e.g. dropped the
"old_bits" variable, and also the explicit memory barriers.
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
acpi-vga-stub.c pulls in vga_int.h
However that currently pulls in ui/console.h which
breaks e.g. on systems without pixman.
It's better to remove ui/console.h from vga_int.h
and directly include it where it's used.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20221109222112.74519-1-mst@redhat.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Reported-by: Miroslav Rezanina <mrezanin@redhat.com>
Reported-by: Frederic Bezies <fredbezies@gmail.com>
Reported-by: Laurent Vivier <lvivier@redhat.com>
Fixes: cfead31326 ("AcpiDevAmlIf interface to build VGA device descs")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
improve error handling during module load, by changing:
bool module_load(const char *prefix, const char *lib_name);
void module_load_qom(const char *type);
to:
int module_load(const char *prefix, const char *name, Error **errp);
int module_load_qom(const char *type, Error **errp);
where the return value is:
-1 on module load error, and errp is set with the error
0 on module or one of its dependencies are not installed
1 on module load success
2 on module load success (module already loaded or built-in)
module_load_qom_one has been introduced in:
commit 28457744c3 ("module: qom module support"), which built on top of
module_load_one, but discarded the bool return value. Restore it.
Adapt all callers to emit errors, or ignore them, or fail hard,
as appropriate in each context.
Replace the previous emission of errors via fprintf in _some_ error
conditions with Error and error_report, so as to emit to the appropriate
target.
A memory leak is also fixed as part of the module_load changes.
audio: when attempting to load an audio module, report module load errors.
Note that still for some callers, a single issue may generate multiple
error reports, and this could be improved further.
Regarding the audio code itself, audio_add() seems to ignore errors,
and this should probably be improved.
block: when attempting to load a block module, report module load errors.
For the code paths that already use the Error API, take advantage of those
to report module load errors into the Error parameter.
For the other code paths, we currently emit the error, but this could be
improved further by adding Error parameters to all possible code paths.
console: when attempting to load a display module, report module load errors.
qdev: when creating a new qdev Device object (DeviceState), report load errors.
If a module cannot be loaded to create that device, now abort execution
(if no CONFIG_MODULE) or exit (if CONFIG_MODULE).
qom/object.c: when initializing a QOM object, or looking up class_by_name,
report module load errors.
qtest: when processing the "module_load" qtest command, report errors
in the load of the module.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220929093035.4231-4-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
mayfail is always passed as false for every invocation throughout the program.
It controls whether to printf or not to printf an error on
g_module_open failure.
Remove this unused argument.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929093035.4231-2-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fix the logic in qemu_add_wait_object() to avoid adding the same
HANDLE twice, as the behavior is undefined when passing an array
that contains same HANDLEs to WaitForMultipleObjects() API.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Message-Id: <20221019102015.2441622-2-bmeng.cn@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Some more small s390x fixes and maintainer updates
* Make sure to remove all temporary files from qtests
* OpenBSD VM test update to version 7.2
* Add sndio to FreeBSD tests
* More patches to enable the qtests on Windows
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Merge tag 'pull-request-2022-10-28' of https://gitlab.com/thuth/qemu into staging
* Fix and test the VISTR instruction on s390x
* Some more small s390x fixes and maintainer updates
* Make sure to remove all temporary files from qtests
* OpenBSD VM test update to version 7.2
* Add sndio to FreeBSD tests
* More patches to enable the qtests on Windows
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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 28 Oct 2022 09:20:31 EDT
# 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-2022-10-28' of https://gitlab.com/thuth/qemu: (21 commits)
tests/qtest: libqtest: Correct the timeout unit of blocking receive calls for win32
tests/qtest: libqos: Do not build virtio-9p unconditionally
tests/qtest: migration-test: Make sure QEMU process "to" exited after migration is canceled
tests/qtest: libqtest: Introduce qtest_wait_qemu()
tests/qtest: Use EXIT_FAILURE instead of magic number
tests/qtest: device-plug-test: Reverse the usage of double/single quotes
tests/qtest: Support libqtest to build and run on Windows
tests/qtest: Use send/recv for socket communication
accel/qtest: Support qtest accelerator for Windows
tests: Add sndio to the FreeBSD CI containers / VM
tests/vm: update openbsd to release 7.2
tests/qtest/libqos/e1000e: Use e1000_regs.h
tests/qtest/cxl-test: Remove temporary directories after testing
tests/qtest/tpm: Clean up remainders of swtpm
MAINTAINERS: target/s390x/: add Ilya as reviewer
tests/tcg/s390x: Add a test for the vistr instruction
target/s390x: Fix emulation of the VISTR instruction
tests/tcg/s390x: Test compiler flags only once, not every time
s390x/tod-kvm: don't save/restore the TOD in PV guests
s390x: step down as general arch maintainer
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This patch adds support for asynchronously tearing down a VM on Linux.
When qemu terminates, either naturally or because of a fatal signal,
the VM is torn down. If the VM is huge, it can take a considerable
amount of time for it to be cleaned up. In case of a protected VM, it
might take even longer than a non-protected VM (this is the case on
s390x, for example).
Some users might want to shut down a VM and restart it immediately,
without having to wait. This is especially true if management
infrastructure like libvirt is used.
This patch implements a simple trick on Linux to allow qemu to return
immediately, with the teardown of the VM being performed
asynchronously.
If the new commandline option -async-teardown is used, a new process is
spawned from qemu at startup, using the clone syscall, in such way that
it will share its address space with qemu.The new process will have the
name "cleanup/<QEMU_PID>". It will wait until qemu terminates
completely, and then it will exit itself.
This allows qemu to terminate quickly, without having to wait for the
whole address space to be torn down. The cleanup process will exit
after qemu, so it will be the last user of the address space, and
therefore it will take care of the actual teardown. The cleanup
process will share the same cgroups as qemu, so both memory usage and
cpu time will be accounted properly.
If possible, close_range will be used in the cleanup process to close
all open file descriptors. If it is not available or if it fails, /proc
will be used to determine which file descriptors to close.
If the cleanup process is forcefully killed with SIGKILL before the
main qemu process has terminated completely, the mechanism is defeated
and the teardown will not be asynchronous.
This feature can already be used with libvirt by adding the following
to the XML domain definition to pass the parameter to qemu directly:
<commandline xmlns="http://libvirt.org/schemas/domain/qemu/1.0">
<arg value='-async-teardown'/>
</commandline>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
Tested-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
Message-Id: <20220812133453.82671-1-imbrenda@linux.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
