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qemu-e2k/include/qemu
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Kevin Wolf 520d8b40e8 block/export: Fix vhost-user-blk shutdown with requests in flight 
The vhost-user-blk export runs requests asynchronously in their own
coroutine. When the vhost connection goes away and we want to stop the
vhost-user server, we need to wait for these coroutines to stop before
we can unmap the shared memory. Otherwise, they would still access the
unmapped memory and crash.

This introduces a refcount to VuServer which is increased when spawning
a new request coroutine and decreased before the coroutine exits. The
memory is only unmapped when the refcount reaches zero.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20220125151435.48792-1-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
 		2022-02-01 13:49:15 +01:00
..
accel.h accel-cpu: make cpu_realizefn return a bool 2021-05-10 15:41:50 -04:00
atomic.h qemu/atomic: Add aligned_{int64,uint64}_t types 2021-07-21 07:45:38 -10:00
atomic128.h docs: fix references to docs/devel/atomics.rst 2021-06-02 06:51:09 +02:00
base64.h nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
bcd.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
bitmap.h bitmap: Add bitmap_copy_with_{src|dst}_offset() 2019-07-15 15:39:02 +02:00
bitops.h bitops.h: revert db1ffc32dd ("qemu/bitops.h: add bitrev8 implementation") 2021-07-26 06:56:41 -10:00
bswap.h include/qemu/bswap.h: Handle being included outside extern "C" block 2021-05-10 17:21:54 +01:00
buffer.h nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
cacheflush.h util: Enhance flush_icache_range with separate data pointer 2021-01-07 05:09:41 -10:00
co-shared-resource.h co-shared-resource: protect with a mutex 2021-06-25 14:24:24 +03:00
compiler.h configure: Remove probe for _Static_assert 2021-06-16 15:03:26 +02:00
config-file.h qemu-config: parse configuration files to a QDict 2021-06-04 13:50:01 +02:00
coroutine.h co-queue: drop extra coroutine_fn marks 2021-06-18 10:59:52 -05:00
coroutine_int.h coroutine: support SafeStack in ucontext backend 2020-06-23 15:46:05 +01:00
cpuid.h util: add util function buffer_zero_avx512() 2020-03-16 23:02:21 +01:00
crc-ccitt.h util: Add CRC16 (CCITT) calculation routines 2021-01-24 20:10:54 +01:00
crc32c.h Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
ctype.h qemu-common: Move qemu_isalnum() etc. to qemu/ctype.h 2019-06-11 20:22:09 +02:00
cutils.h ui/dbus: add p2p=on/off option 2021-12-21 10:50:22 +04:00
datadir.h vl: extract softmmu/datadir.c 2020-12-10 12:15:18 -05:00
dbus.h ui/dbus: add chardev backend & interface 2021-12-21 10:50:22 +04:00
drm.h Clean up ill-advised or unusual header guards 2019-05-13 08:58:55 +02:00
envlist.h misc: move include files to include/qemu/ 2012-12-19 08:32:39 +01:00
error-report.h error: rename error_with_timestamp to message_with_timestamp 2021-02-01 10:50:55 +00:00
event_notifier.h event_notifier: handle initialization failure better 2021-02-08 14:43:55 +01:00
fifo8.h utils/fifo8: add VMSTATE_FIFO8_TEST macro 2021-02-07 20:38:34 +00:00
fifo32.h hw: Clean up includes 2016-06-07 18:19:23 +03:00
filemonitor.h nomaintainer: Fix Lesser GPL version number 2020-11-15 17:04:40 +01:00
futex.h futex: add missing header guards 2017-10-16 20:57:13 +03:00
guest-random.h util: Add qemu_guest_getrandom and associated routines 2019-05-22 12:38:54 -04:00
hbitmap.h block/dirty-bitmap: improve _next_dirty_area API 2020-03-18 14:03:46 -04:00
help_option.h keyval: Parse help options 2020-10-15 16:06:27 +02:00
host-utils.h host-utils: Introduce mulu128 2021-11-09 10:32:52 +11:00
id.h net: Use id_generate() in the network subsystem, too 2021-03-09 21:47:45 +01:00
int128.h qemu/int128: addition of div/rem 128-bit operations 2022-01-08 15:46:10 +10:00
iov.h util/iov: make qemu_iovec_init_extended() honest 2021-02-03 08:00:33 -06:00
iova-tree.h util: Make some iova_tree parameters const 2021-11-02 15:57:21 +01:00
jhash.h Clean up ill-advised or unusual header guards 2019-05-13 08:58:55 +02:00
job.h job: Add job_cancel_requested() 2021-10-07 10:42:40 +02:00
lockable.h include/qemu/lockable: Use _Generic instead of QEMU_GENERIC 2021-06-16 15:03:26 +02:00
log-for-trace.h log-for-trace.h: Split out parts of log.h used by trace.h 2018-03-12 11:10:20 +00:00
log.h qemu/atomic.h: rename atomic_ to qatomic_ 2020-09-23 16:07:44 +01:00
main-loop.h util/async: add a human-readable name to BHs for debugging 2021-07-05 11:40:32 +01:00
memfd.h linux-user: add memfd_create 2019-09-11 08:46:17 +02:00
mmap-alloc.h util/mmap-alloc: Pass flags instead of separate bools to qemu_ram_mmap() 2021-06-15 20:27:38 +02:00
module.h docs: remove non-reference uses of single backticks 2021-11-08 12:27:23 +04:00
notify.h xen / notify: introduce a new XenWatchList abstraction 2019-09-24 12:18:47 +01:00
nvdimm-utils.h Clean up includes 2020-12-10 17:16:44 +01:00
option.h option: add g_auto for QemuOpts 2021-12-21 10:50:22 +04:00
option_int.h qemu/queue.h: simplify reverse access to QTAILQ 2019-01-11 15:46:55 +01:00
osdep.h util/oslib-posix: Support MADV_POPULATE_WRITE for os_mem_prealloc() 2022-01-07 05:19:55 -05:00
path.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
plugin-memory.h plugins: fix-up handling of internal hostaddr for 32 bit 2021-07-14 14:33:53 +01:00
plugin.h plugins: try and make plugin_insn_append more ergonomic 2021-11-04 10:32:01 +00:00
pmem.h Clean up decorations and whitespace around header guards 2019-05-13 08:58:55 +02:00
processor.h Drop remaining bits of ia64 host support 2018-02-05 18:09:45 +01:00
progress_meter.h progressmeter: protect with a mutex 2021-06-25 14:24:24 +03:00
qdist.h Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
qemu-options.h remove qemu-options* from root directory 2021-05-26 14:49:46 +02:00
qemu-plugin.h plugins/api: added a boolean parsing plugin api 2021-09-02 11:29:34 +01:00
qemu-print.h qemu-print: New qemu_fprintf(), qemu_vfprintf() 2019-04-18 22:18:59 +02:00
qht.h qht: constify qht_statistics_init 2018-09-26 08:55:54 -07:00
qsp.h qsp: Simplify how qsp_report() prints 2019-04-18 22:18:59 +02:00
queue.h qemu/atomic.h: rename atomic_ to qatomic_ 2020-09-23 16:07:44 +01:00
range.h Include qemu/queue.h slightly less 2019-08-16 13:31:52 +02:00
ratelimit.h ratelimit: treat zero speed as unlimited 2021-06-25 14:22:21 +03:00
rcu.h rcu: Introduce force_rcu notifier 2021-11-10 13:20:15 +01:00
rcu_queue.h qemu/atomic.h: rename atomic_ to qatomic_ 2020-09-23 16:07:44 +01:00
readline.h readline: add a free function 2018-01-16 14:54:50 +01:00
selfmap.h Remove leading underscores from QEMU defines 2021-06-21 05:49:01 +02:00
seqlock.h qemu/atomic.h: rename atomic_ to qatomic_ 2020-09-23 16:07:44 +01:00
sockets.h qemu-sockets: introduce socket_address_parse_named_fd() 2021-06-18 10:59:53 -05:00
stats64.h qemu/atomic: Add aligned_{int64,uint64}_t types 2021-07-21 07:45:38 -10:00
sys_membarrier.h Normalize header guard symbol definition. 2019-05-13 08:58:55 +02:00
systemd.h Normalize header guard symbol definition. 2019-05-13 08:58:55 +02:00
thread-posix.h util: Use unique type for QemuRecMutex in thread-posix.h 2021-06-16 15:03:26 +02:00
thread-win32.h util: Use real functions for thread-posix QemuRecMutex 2021-06-16 15:03:26 +02:00
thread.h util: Pass file+line to qemu_rec_mutex_unlock_impl 2021-06-16 15:03:26 +02:00
throttle-options.h block: add throttle block filter driver 2017-09-06 10:12:02 +02:00
throttle.h Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
timed-average.h include: Clean up includes 2016-02-23 12:43:05 +00:00
timer.h spapr: rollback 'unplug timeout' for CPU hotunplugs 2021-04-12 12:27:14 +10:00
transactions.h transactions: Invoke clean() after everything else 2021-11-16 09:43:44 +01:00
tsan.h include/qemu: Added tsan.h for annotations. 2020-06-16 14:49:05 +01:00
typedefs.h exec: Move TranslationBlock typedef to qemu/typedefs.h 2021-02-18 08:19:08 +00:00
unicode.h json: Reject invalid UTF-8 sequences 2018-08-24 20:26:37 +02:00
units.h block: Eliminate the S_1KiB, S_2KiB, ... macros 2019-02-01 13:46:45 +01:00
uri.h Remove unused function declarations 2016-09-15 15:32:22 +03:00
userfaultfd.h migration: introduce UFFD-WP low-level interface helpers 2021-02-08 11:19:51 +00:00
uuid.h acpi: nvdimm: change NVDIMM_UUID_LE to a common macro 2020-05-14 15:03:08 +01:00
vfio-helpers.h util/vfio-helpers: Pass Error handle to qemu_vfio_dma_map() 2021-09-07 09:08:24 +01:00
vhost-user-server.h block/export: Fix vhost-user-blk shutdown with requests in flight 2022-02-01 13:49:15 +01:00
win_dump_defs.h dump: move Windows dump structures definitions 2018-10-02 19:09:12 +02:00
xattr.h include: Fix typos found by codespell 2017-01-24 23:26:52 +03:00
xxhash.h target/arm: Implement an IMPDEF pauth algorithm 2021-01-19 14:38:51 +00:00
yank.h yank: Remove dependency on qiochannel 2021-04-01 15:27:44 +04:00