OpenE2K/qemu-e2k
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qemu-e2k/util
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Christian Ehrhardt bd83c861c0 modules: load modules from versioned /var/run dir 
On upgrades the old .so files usually are replaced. But on the other
hand since a qemu process represents a guest instance it is usually kept
around.

That makes late addition of dynamic features e.g. 'hot-attach of a ceph
disk' fail by trying to load a new version of e.f. block-rbd.so into an
old still running qemu binary.

This adds a fallback to also load modules from a versioned directory in the
temporary /var/run path. That way qemu is providing a way for packaging
to store modules of an upgraded qemu package as needed until the next reboot.

An example how that can then be used in packaging can be seen in:
https://git.launchpad.net/~paelzer/ubuntu/+source/qemu/log/?h=bug-1847361-miss-old-so-on-upgrade-UBUNTU

Fixes: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1847361
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200310145806.18335-2-christian.ehrhardt@canonical.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-16 23:02:22 +01:00
..
aio-posix.c
aio-posix: remove idle poll handlers to improve scalability
2020-03-09 16:45:16 +00:00
aio-posix.h
aio-posix: remove idle poll handlers to improve scalability
2020-03-09 16:45:16 +00:00
aio-wait.c
…
aio-win32.c
aio-posix: Fix concurrent aio_poll/set_fd_handler.
2019-01-14 14:09:41 +00:00
aiocb.c
…
async.c
util/async: make bh_aio_poll() O(1)
2020-02-22 08:26:47 +00:00
atomic64.c
…
base64.c
…
bitmap.c
bitmap: Add bitmap_copy_with_{src|dst}_offset()
2019-07-15 15:39:02 +02:00
bitops.c
avoid TABs in files that only contain a few
2019-01-11 15:46:56 +01:00
buffer.c
…
bufferiszero.c
util: add util function buffer_zero_avx512()
2020-03-16 23:02:21 +01:00
cacheinfo.c
util/cacheinfo: fix crash when compiling with uClibc
2020-01-21 14:18:12 -10:00
compatfd.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
coroutine-sigaltstack.c
…
coroutine-ucontext.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
coroutine-win32.c
…
crc32c.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
cutils.c
util/cutils: Turn FIXME comment into QEMU_BUILD_BUG_ON()
2019-12-18 12:26:25 +01:00
dbus.c
util: add dbus helper unit
2020-01-06 18:41:32 +04:00
drm.c
…
envlist.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
error.c
error: make Error **errp const where it is appropriate
2019-12-18 08:36:16 +01:00
event_notifier-posix.c
event_notifier: avoid dandling file descriptor in event_notifier_cleanup
2019-10-24 19:26:52 +02:00
event_notifier-win32.c
…
fdmon-epoll.c
aio-posix: support userspace polling of fd monitoring
2020-03-09 16:41:31 +00:00
fdmon-io_uring.c
aio-posix: support userspace polling of fd monitoring
2020-03-09 16:41:31 +00:00
fdmon-poll.c
aio-posix: support userspace polling of fd monitoring
2020-03-09 16:41:31 +00:00
fifo8.c
Include migration/vmstate.h less
2019-08-16 13:31:52 +02:00
filemonitor-inotify.c
filemon: fix watch IDs to avoid potential wraparound issues
2019-04-02 13:52:02 +01:00
filemonitor-stub.c
filemon: fix watch IDs to avoid potential wraparound issues
2019-04-02 13:52:02 +01:00
getauxval.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
guest-random.c
replay: record and replay random number sources
2020-01-07 12:08:39 +01:00
hbitmap.c
hbitmap: handle set/reset with zero length
2019-10-28 11:22:30 +01:00
hexdump.c
…
host-utils.c
…
id.c
chardev: generate an internal id when none given
2020-01-07 16:50:09 +04:00
iov.c
util/ioc.c: try to reassure Coverity about qemu_iovec_init_extended
2019-10-08 14:27:35 +01:00
iova-tree.c
…
keyval.c
…
lockcnt.c
…
log.c
linux-user: Use `qemu_log' for strace
2020-02-19 11:17:40 +01:00
main-loop.c
Do not use %m in common code to print error messages
2019-10-22 09:38:42 +02:00
Makefile.objs
aio-posix: add io_uring fd monitoring implementation
2020-03-09 16:41:31 +00:00
memfd.c
linux-user: add memfd_create
2019-09-11 08:46:17 +02:00
mmap-alloc.c
core: replace getpagesize() with qemu_real_host_page_size
2019-10-26 15:38:06 +02:00
module.c
modules: load modules from versioned /var/run dir
2020-03-16 23:02:22 +01:00
notify.c
xen / notify: introduce a new XenWatchList abstraction
2019-09-24 12:18:47 +01:00
nvdimm-utils.c
mem: move nvdimm_device_list to utilities
2020-02-21 09:15:03 +11:00
osdep.c
util/osdep: Improve error report by calling error_setg_win32()
2020-03-09 13:36:15 +01:00
oslib-posix.c
oslib-posix: initialize mutex and condition variable
2020-03-16 23:02:22 +01:00
oslib-win32.c
core: replace getpagesize() with qemu_real_host_page_size
2019-10-26 15:38:06 +02:00
pagesize.c
…
path.c
util/path: Do not cache all filenames at startup
2019-06-24 22:19:30 +02:00
qdist.c
…
qemu-co-shared-resource.c
util: introduce SharedResource
2019-10-28 11:22:31 +01:00
qemu-config.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
qemu-coroutine-io.c
yield_until_fd_readable: make it work with any AioContect
2019-10-25 14:38:29 +02:00
qemu-coroutine-lock.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
qemu-coroutine-sleep.c
qemu-coroutine-sleep: Silence Coverity warning
2019-11-18 16:01:34 -06:00
qemu-coroutine.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
qemu-error.c
error: Fix -msg timestamp default
2019-12-18 08:36:15 +01:00
qemu-openpty.c
…
qemu-option.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
qemu-print.c
qemu-print: New qemu_fprintf(), qemu_vfprintf()
2019-04-18 22:18:59 +02:00
qemu-progress.c
…
qemu-sockets.c
util/qemu-sockets: fix keep_alive handling in inet_connect_saddr
2019-09-25 08:15:44 -05:00
qemu-thread-common.h
Clean up includes
2018-12-20 10:29:08 +01:00
qemu-thread-posix.c
qemu-thread: Add qemu_cond_timedwait
2019-09-16 17:13:06 +02:00
qemu-thread-win32.c
qemu-thread: Add qemu_cond_timedwait
2019-09-16 17:13:06 +02:00
qemu-timer-common.c
Remove support for CLOCK_MONOTONIC not being defined
2020-02-12 16:23:01 +01:00
qemu-timer.c
qemu-timer: reuse MIN macro in qemu_timeout_ns_to_ms
2019-10-24 20:10:18 +02:00
qht.c
…
qsp.c
qsp: Use WITH_RCU_READ_LOCK_GUARD
2019-12-17 19:33:52 +01:00
range.c
Don't talk about the LGPL if the file is licensed under the GPL
2019-01-30 10:51:20 +01:00
rcu.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
readline.c
qemu-common: Move qemu_isalnum() etc. to qemu/ctype.h
2019-06-11 20:22:09 +02:00
stats64.c
…
sys_membarrier.c
…
systemd.c
Do not use %m in common code to print error messages
2019-10-22 09:38:42 +02:00
thread-pool.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
throttle.c
…
timed-average.c
…
trace-events
aio-posix: remove idle poll handlers to improve scalability
2020-03-09 16:45:16 +00:00
unicode.c
…
uri.c
…
uuid.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
vfio-helpers.c
Report stringified errno in VFIO related errors
2020-02-18 20:20:49 +01:00