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Kevin Wolf dea97c1fbd block-coroutine-wrapper: Take AioContext lock in no_co_wrappers 
All of the functions that currently take a BlockDriverState, BdrvChild
or BlockBackend as their first parameter expect the associated
AioContext to be locked when they are called. In the case of
no_co_wrappers, they are called from bottom halves directly in the main
loop, so no other caller can be expected to take the lock for them. This
can result in assertion failures because a lock that isn't taken is
released in nested event loops.

Looking at the first parameter is already done by co_wrappers to decide
where the coroutine should run, so doing the same in no_co_wrappers is
only consistent. Take the lock in the generated bottom halves to fix the
problem.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230525124713.401149-2-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-05-30 17:21:23 +02:00
..
ci Add Kubernetes runner configuration 2023-05-24 12:26:40 -07:00
coccinelle cleanup: Tweak and re-run return_directly.cocci 2022-12-14 16:19:35 +01:00
codeconverter scripts/codeconverter: Update to latest version 2020-09-18 14:12:32 -04:00
coverage scripts/coverage: initial coverage comparison script 2023-04-04 15:16:29 +01:00
coverity-scan coverity: the definitive COMPONENTS.md update 2023-05-18 08:53:51 +02:00
kvm vmxcap: add tertiary execution controls 2022-05-12 14:23:19 +02:00
modules scripts/modules/module_block: Use Python 3 interpreter & add pseudo-main 2020-05-31 13:56:46 +02:00
oss-fuzz gitlab: add lsan suppression file to workaround tcmalloc issues 2023-02-02 10:44:23 +00:00
performance scripts/performance: Add dissect.py script 2020-07-14 22:22:22 +02:00
qapi qapi: Improve error message for description following section 2023-05-22 10:03:26 +02:00
qemu-guest-agent
qemugdb scripts/gdb: implement 'qemu bt' 2021-01-12 12:38:03 +01:00
qmp python: rename qemu.aqmp to qemu.qmp 2022-04-21 11:01:00 -04:00
simplebench python: rename qemu.aqmp to qemu.qmp 2022-04-21 11:01:00 -04:00
tracetool tracetool: use relative paths for '#line' preprocessor directives 2023-04-24 13:53:44 -04:00
analyse-9p-simpletrace.py drop "from __future__ import print_function" 2020-02-07 15:15:16 +01:00
analyse-locks-simpletrace.py drop "from __future__ import print_function" 2020-02-07 15:15:16 +01:00
analyze-inclusions scripts/analyze-inclusions: drop qemu-common.h from analysis 2022-04-21 16:56:55 +04:00
analyze-migration.py analyze-migration.py: fix extract contents ('-x') errors 2021-10-23 20:28:56 +02:00
archive-source.sh meson: use subproject for keycodemapdb 2023-05-26 12:34:18 +02:00
block-coroutine-wrapper.py block-coroutine-wrapper: Take AioContext lock in no_co_wrappers 2023-05-30 17:21:23 +02:00
check_sparse.py meson: move sparse detection to Meson and rewrite check_sparse.py 2020-10-04 18:36:23 +02:00
checkpatch.pl checkpatch: add qemu_bh_new/aio_bh_new checks 2023-04-28 11:31:54 +02:00
clean-header-guards.pl disas: Remove libvixl disassembler 2022-07-05 10:15:49 +02:00
clean-includes scripts/clean-includes: Improve --git commit message 2023-02-08 07:16:23 +01:00
cleanup-trace-events.pl scripts/cleanup-trace-events: Emit files in alphabetical order 2020-09-09 17:17:00 +01:00
cocci-macro-file.h compiler.h: replace QEMU_NORETURN with G_NORETURN 2022-04-21 17:03:51 +04:00
cpu-x86-uarch-abi.py python: rename qemu.aqmp to qemu.qmp 2022-04-21 11:01:00 -04:00
decodetree.py decodetree: Extend argument set syntax to allow types 2021-05-01 11:45:35 -07:00
device-crash-test tests: Use configure-provided pyvenv for tests 2023-05-18 08:53:51 +02:00
disas-objdump.pl
dump-guest-memory.py drop "from __future__ import print_function" 2020-02-07 15:15:16 +01:00
entitlement.sh scripts/entitlement.sh: Use backward-compatible cp flags 2021-11-30 22:25:58 +01:00
extract-vsssdk-headers
feature_to_c.sh Add missing include statement for global xml_builtin 2022-11-06 09:48:42 +01:00
fix-multiline-comments.sh docs: move CODING_STYLE into the developer documentation 2021-02-24 11:05:21 +00:00
gensyscalls.sh linux-user: Add LoongArch syscall support 2022-07-04 11:08:57 +05:30
get_maintainer.pl get_maintainer: update repo URL to GitLab 2021-02-09 20:53:56 +00:00
git-submodule.sh scripts: check if .git exists before checking submodule status 2022-10-27 11:54:37 +01:00
git.orderfile scripts/git.orderfile: Display MAINTAINERS changes first 2023-01-13 16:22:57 +01:00
hxtool meson: generate hxtool files 2020-08-21 06:30:14 -04:00
kernel-doc scripts/kernel-doc: strip QEMU_ from function definitions 2021-03-24 14:24:40 +00:00
main.c configure, meson: move C++ compiler detection to meson.build 2022-10-01 21:16:36 +02:00
make-config-poison.sh meson: Avoid duplicates in generated config-poison.h again 2023-02-27 09:18:56 +01:00
make-release scripts/make-release: Only clone single branches to speed up the script 2022-12-15 15:02:35 +01:00
meson-buildoptions.py scripts: make sure scripts are invoked via $(PYTHON) 2023-05-19 20:40:29 +02:00
meson-buildoptions.sh Migration Pull request 2023-05-18 11:07:06 -07:00
meson.build trace: move configuration from configure to Meson 2021-10-14 09:50:56 +02:00
minikconf.py meson: infrastructure for building emulators 2020-08-21 06:30:17 -04:00
modinfo-collect.py scripts: make sure scripts are invoked via $(PYTHON) 2023-05-19 20:40:29 +02:00
modinfo-generate.py scripts: make sure scripts are invoked via $(PYTHON) 2023-05-19 20:40:29 +02:00
mtest2make.py mtest2make.py: teach suite name that are just "PROJECT" 2023-04-20 11:17:34 +02:00
nsis.py scripts/nsis.py: Automatically package required DLLs of QEMU executables 2022-10-31 10:06:11 +01:00
probe-gdb-support.py scripts: make sure scripts are invoked via $(PYTHON) 2023-05-19 20:40:29 +02:00
qapi-gen.py qapi: move generator entrypoint into package 2020-10-10 11:37:47 +02:00
qemu-binfmt-conf.sh scripts/qemu-binfmt-conf: Add LoongArch to qemu_get_family() 2022-07-05 16:17:53 +05:30
qemu-gdb.py scripts/gdb: implement 'qemu bt' 2021-01-12 12:38:03 +01:00
qemu-stamp.py meson, configure: move --with-pkgversion, CONFIG_STAMP to meson 2022-05-07 07:46:58 +02:00
qemu-trace-stap qemu-trace-stap: changing SYSTEMTAP_TAPSET considered harmful. 2021-07-12 17:37:06 +01:00
qemu-version.sh build-sys: fix git version from -version 2020-10-12 11:50:23 -04:00
refresh-pxe-roms.sh
render_block_graph.py python: rename qemu.aqmp to qemu.qmp 2022-04-21 11:01:00 -04:00
replay-dump.py nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
shaderinclude.py build-sys: fix crlf-ending C code 2023-02-02 10:44:23 +00:00
signrom.py drop "from __future__ import print_function" 2020-02-07 15:15:16 +01:00
simpletrace.py docs: fix references to docs/devel/tracing.rst 2021-06-02 06:51:09 +02:00
symlink-install-tree.py Add information how to fix common build error on Windows in symlink-install-tree 2023-05-16 09:14:18 +02:00
test-driver.py mtest2make: hide output of successful tests 2020-09-08 07:17:09 +02:00
tracetool.py tracetool: add output filename command-line argument 2021-01-04 14:24:58 +00:00
u2f-setup-gen.py scripts: Add u2f-setup-gen script 2020-08-31 08:23:39 +02:00
undefsym.py build: fix macOS --enable-modules build 2020-10-22 11:53:52 -04:00
update-linux-headers.sh update-linux-headers.sh: Add missing kernel headers. 2023-04-28 14:03:52 +02:00
update-mips-syscall-args.sh linux-user, mips: update syscall-args-o32.c.inc to Linux v5.13 2021-07-13 13:59:59 +02:00
update-syscalltbl.sh linux-user, scripts: add a script to update syscall.tbl 2020-03-20 16:02:00 +01:00
userfaultfd-wrlat.py migration: introduce 'userfaultfd-wrlat.py' script 2021-02-08 11:19:51 +00:00
vmstate-static-checker.py vmstate-static-checker: Recognize "num" field 2023-04-27 10:18:26 +02:00
xen-detect.c meson, configure: move Xen detection to meson 2022-05-07 07:46:58 +02:00