haraldwolff/qemu-patch-raspberry4
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qemu-patch-raspberry4/util
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Alex Bennée d759c951f3 replay: push replay_mutex_lock up the call tree 
Now instead of using the replay_lock to guard the output of the log we
now use it to protect the whole execution section. This replaces what
the BQL used to do when it was held during TCG execution.

We also introduce some rules for locking order - mainly that you
cannot take the replay_mutex while holding the BQL. This leads to some
slight sophistry during start-up and extending the
replay_mutex_destroy function to unlock the mutex without checking
for the BQL condition so it can be cleanly dropped in the non-replay
case.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Tested-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <20180227095248.1060.40374.stgit@pasha-VirtualBox>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2018-03-12 17:10:36 +01:00
..
acl.c Drop Emacs local variables lists redundant with .dir-locals.el 2016-07-12 16:19:16 +02:00
aio-posix.c async: use ARRAY_SIZE macro 2018-02-10 10:43:18 +03:00
aio-wait.c block: add aio_wait_bh_oneshot() 2018-03-08 17:38:51 +00:00
aio-win32.c util/aio-win32: Only select on what we are actually waiting for 2017-07-17 15:58:37 +01:00
aiocb.c block: move AioContext, QEMUTimer, main-loop to libqemuutil 2017-02-21 11:14:07 +00:00
async.c coroutine: abort if we try to schedule or enter a pending coroutine 2017-11-21 11:58:07 -05:00
base64.c include/qemu/osdep.h: Don't include qapi/error.h 2016-03-22 22:20:15 +01:00
bitmap.c bitmap: provide to_le/from_le helpers 2017-09-22 14:11:25 +02:00
bitops.c bitmap: remove BITOP_WORD() 2017-09-22 14:11:23 +02:00
buffer.c qemu-common: stop including qemu/host-utils.h from qemu-common.h 2016-05-19 16:42:28 +02:00
bufferiszero.c util: Introduce include/qemu/cpuid.h 2017-07-24 12:42:55 +01:00
cacheinfo.c configure: Drop AIX host support 2017-09-07 19:02:30 +01:00
compatfd.c cpus: remove ugly cast on sigbus_handler 2017-03-03 16:40:02 +01:00
coroutine-sigaltstack.c coroutine-sigaltstack: use helper for allocating stack memory 2016-09-29 14:13:39 +02:00
coroutine-ucontext.c ucontext: annotate coroutine stack for ASAN 2018-02-07 14:09:24 +01:00
coroutine-win32.c coroutine: add a macro for the coroutine stack size 2016-09-29 14:13:39 +02:00
crc32c.c util: Clean up includes 2016-02-04 17:01:04 +00:00
cutils.c Convert remaining single line fprintf() to warn_report() 2017-09-19 16:20:49 +02:00
envlist.c util: Use g_malloc/g_free in envlist.c 2017-05-07 09:57:51 +03:00
error.c error: Implement the warn and free Error functions 2017-07-13 13:50:19 +02:00
event_notifier-posix.c Revert "qemu: add a cleanup callback function to EventNotifier" 2018-01-24 19:20:19 +02:00
event_notifier-win32.c Revert "qemu: add a cleanup callback function to EventNotifier" 2018-01-24 19:20:19 +02:00
fifo8.c migration: consolidate VMStateField.start 2017-02-13 17:27:13 +00:00
getauxval.c util: Clean up includes 2016-02-04 17:01:04 +00:00
hbitmap.c hbitmap: fix missing restore count when finish deserialization 2018-02-07 11:35:49 -05:00
hexdump.c util: Improved qemu_hexmap() to include an ascii dump of the buffer 2016-04-06 09:52:07 +08:00
host-utils.c host-utils: Implement unsigned quadword left/right shift and unit tests 2017-01-31 10:10:14 +11:00
id.c util: move declarations out of qemu-common.h 2016-03-22 22:20:17 +01:00
iohandler.c block: move AioContext, QEMUTimer, main-loop to libqemuutil 2017-02-21 11:14:07 +00:00
iov.c util: Fix assertion in iov_copy() upon zero 'bytes' and non-zero 'offset' 2016-08-03 18:44:57 +02:00
keyval.c Include qapi/qmp/qdict.h exactly where needed 2018-02-09 13:52:15 +01:00
lockcnt.c qemu-thread: optimize QemuLockCnt with futexes on Linux 2017-01-16 13:25:18 +00:00
log.c util/cutils: Rename qemu_strtoll(), qemu_strtoull() 2017-02-23 20:35:35 +01:00
main-loop.c replay: push replay_mutex_lock up the call tree 2018-03-12 17:10:36 +01:00
Makefile.objs membarrier: add --enable-membarrier 2018-03-12 16:12:47 +01:00
memfd.c memfd: add hugetlbsize argument 2018-02-07 14:09:25 +01:00
mmap-alloc.c sparc: Make sure we mmap at SHMLBA alignment 2017-12-15 15:26:24 +00:00
module.c module: Don't load the same module if requested multiple times 2016-10-07 14:14:06 +02:00
notify.c util: Clean up includes 2016-02-04 17:01:04 +00:00
osdep.c osdep: Retry SETLK upon EINTR 2018-01-23 12:33:07 +01:00
oslib-posix.c mem: add share parameter to memory-backend-ram 2018-02-19 13:03:24 +02:00
oslib-win32.c mem: add share parameter to memory-backend-ram 2018-02-19 13:03:24 +02:00
pagesize.c util: move qemu_real_host_page_size/mask to osdep.h 2017-10-10 09:45:00 -07:00
path.c util: Removed unneeded header from path.c 2017-03-14 13:26:37 +01:00
qdist.c qdist: return "(empty)" instead of NULL when printing an empty dist 2016-08-03 18:44:56 +02:00
qemu-config.c qapi: Empty out qapi-schema.json 2018-03-02 13:45:50 -06:00
qemu-coroutine-io.c coroutine: move entry argument to qemu_coroutine_create 2016-07-13 13:26:02 +02:00
qemu-coroutine-lock.c misc: fix spelling 2018-02-15 09:39:49 +00:00
qemu-coroutine-sleep.c coroutine: simplify co_aio_sleep_ns() prototype 2017-12-19 09:25:27 +00:00
qemu-coroutine.c coroutine: abort if we try to schedule or enter a pending coroutine 2017-11-21 11:58:07 -05:00
qemu-error.c error: Revert unwanted change of warning messages 2017-07-24 14:16:29 +02:00
qemu-openpty.c util: Clean up includes 2016-02-04 17:01:04 +00:00
qemu-option.c util: Add qemu_opts_to_qdict_filtered() 2018-03-09 15:17:47 +01:00
qemu-progress.c progress: Show current progress on SIGINFO 2017-04-28 18:48:11 +02:00
qemu-sockets.c Include less of the generated modular QAPI headers 2018-03-02 13:45:50 -06:00
qemu-thread-posix.c util/qemu-thread-*: add qemu_lock, locked and unlock trace events 2018-01-16 14:54:52 +01:00
qemu-thread-win32.c util/qemu-thread-*: add qemu_lock, locked and unlock trace events 2018-01-16 14:54:52 +01:00
qemu-timer-common.c util: Clean up includes 2016-02-04 17:01:04 +00:00
qemu-timer.c replay: save prior value of the host clock 2018-03-12 16:12:50 +01:00
qht.c qht: fix unlock-after-free segfault upon resizing 2016-10-06 18:04:13 +02:00
range.c range: Replace internal representation of Range 2016-07-04 16:49:33 +03:00
rcu.c membarrier: introduce qemu/sys_membarrier.h 2018-03-12 16:12:47 +01:00
readline.c readline: don't free completions in readline_free() 2018-02-05 13:54:39 +01:00
stats64.c util/stats64: Fix min/max comparisons 2017-11-15 09:34:51 +01:00
sys_membarrier.c membarrier: add --enable-membarrier 2018-03-12 16:12:47 +01:00
systemd.c qemu-ga: obey LISTEN_PID when using systemd socket activation 2017-03-19 11:12:12 +01:00
thread-pool.c thread-pool: add missing qemu_bh_cancel in completion function 2017-03-17 12:54:21 +01:00
throttle.c throttle: Assert that bkt->max is valid in throttle_compute_wait() 2017-09-26 14:46:23 +02:00
timed-average.c Fix some typos found by codespell 2016-05-18 15:04:27 +03:00
trace-events util: Introduce vfio helpers 2018-02-08 09:22:03 +08:00
unicode.c util: move declarations out of qemu-common.h 2016-03-22 22:20:17 +01:00
uri.c util/uri.c: wrap single statement blocks with braces {} 2018-03-05 09:03:17 +00:00
uuid.c util: add is_equal to UUID API 2017-12-20 22:01:24 +08:00
vfio-helpers.c block/nvme: fix Coverity reports 2018-03-01 15:21:46 +08:00