Eric Blake d1dde7149e bitmap: Update count after a merge ...

We need an accurate count of the number of bits set in a bitmap
after a merge. In particular, since the merge operation short-circuits
a merge from an empty source, if you have bitmaps A, B, and C where
B started empty, then merge C into B, and B into A, an inaccurate
count meant that A did not get the contents of C.

In the worst case, we may falsely regard the bitmap as empty when
it has had new writes merged into it.

Fixes: be58721db
CC: qemu-stable@nongnu.org
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20181002233314.30159-1-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>

2018-10-29 16:23:17 -04:00

..

acl.c

…

aio-posix.c

util: aio-posix: fix a typo

2018-10-29 13:35:22 +00:00

aio-wait.c

block: Use a single global AioWait

2018-09-25 15:50:15 +02:00

aio-win32.c

aio: Do aio_notify_accept only during blocking aio_poll

2018-08-15 10:12:35 +08:00

aiocb.c

…

async.c

util/async: use qemu_aio_coroutine_enter in co_schedule_bh_cb

2018-09-25 15:50:15 +02:00

atomic64.c

util: add atomic64

2018-10-02 18:47:55 +02:00

base64.c

…

bitmap.c

…

bitops.c

…

buffer.c

…

bufferiszero.c

…

cacheinfo.c

util: add atomic64

2018-10-02 18:47:55 +02:00

compatfd.c

…

coroutine-sigaltstack.c

…

coroutine-ucontext.c

build: try improve handling of clang warnings

2018-03-12 08:59:03 +01:00

coroutine-win32.c

…

crc32c.c

…

cutils.c

cutils: add qemu_pstrcmp0()

2018-10-05 16:14:22 +04:00

drm.c

util: promote qemu_egl_rendernode_open() to libqemuutil

2018-08-27 10:51:44 +02:00

envlist.c

…

error.c

error: Fix use of error_prepend() with &error_fatal, &error_abort

2018-10-19 14:51:34 +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

…

getauxval.c

…

hbitmap.c

bitmap: Update count after a merge

2018-10-29 16:23:17 -04:00

hexdump.c

…

host-utils.c

…

id.c

…

iohandler.c

…

iov.c

…

iova-tree.c

util: remove redundant include of glib.h and add osdep.h

2018-06-29 12:22:28 +01:00

keyval.c

qobject: Replace qobject_incref/QINCREF qobject_decref/QDECREF

2018-05-04 08:27:53 +02:00

lockcnt.c

…

log.c

tcg: Optionally log FPU state in TCG -d cpu logging

2018-05-15 14:58:44 +01:00

main-loop.c

main-loop: drop spin_counter

2018-06-01 16:01:29 +01:00

Makefile.objs

util: add atomic64

2018-10-02 18:47:55 +02:00

memfd.c

hostmem-memfd: add checks before adding hostmem-memfd & properties

2018-10-02 18:47:55 +02:00

mmap-alloc.c

Make qemu_mempath_getpagesize() accept NULL

2018-04-27 18:05:22 +10:00

module.c

module: Use QEMU_MODULE_DIR as a search path

2018-08-23 18:46:25 +02:00

notify.c

…

osdep.c

glib: bump min required glib library version to 2.40

2018-06-29 12:22:28 +01:00

oslib-posix.c

util: use fcntl() for qemu_write_pidfile() locking

2018-10-02 18:47:55 +02:00

oslib-win32.c

util: add qemu_write_pidfile()

2018-10-02 18:47:55 +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

…

qdist.c

…

qemu-config.c

block: Add block-specific QDict header

2018-06-15 14:49:44 +02:00

qemu-coroutine-io.c

…

qemu-coroutine-lock.c

coroutine: avoid co_queue_wakeup recursion

2018-03-27 13:05:28 +01:00

qemu-coroutine-sleep.c

coroutine: simplify co_aio_sleep_ns() prototype

2017-12-19 09:25:27 +00:00

qemu-coroutine.c

block: Add missing locking in bdrv_co_drain_bh_cb()

2018-09-25 15:50:15 +02:00

qemu-error.c

error: Drop bogus "use error_setg() instead" admonitions

2018-10-19 15:47:09 +02:00

qemu-openpty.c

…

qemu-option.c

qemu-option: improve qemu_opts_print_help() output

2018-10-05 16:14:22 +04:00

qemu-progress.c

…

qemu-sockets.c

sockets: allow SocketAddress 'fd' to reference numeric file descriptors

2018-03-13 18:06:06 +00:00

qemu-thread-common.h

QemuMutex: support --enable-debug-mutex

2018-06-28 19:05:32 +02:00

qemu-thread-posix.c

qemu-thread: introduce qemu-thread-common.h

2018-06-28 19:05:31 +02:00

qemu-thread-win32.c

qsp: QEMU's Synchronization Profiler

2018-08-23 18:46:25 +02:00

qemu-timer-common.c

…

qemu-timer.c

qemu-timer: avoid checkpoints for virtual clock timers in external subsystems

2018-10-19 13:44:03 +02:00

qht.c

qht: constify arguments to some internal functions

2018-09-26 08:55:54 -07:00

qsp.c

qsp: use atomic64 accessors

2018-10-02 18:47:55 +02:00

range.c

…

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

sys_membarrier: fix up include directives

2018-04-05 14:37:38 +02:00

systemd.c

…

thread-pool.c

…

throttle.c

throttle: Assert that bkt->max is valid in throttle_compute_wait()

2017-09-26 14:46:23 +02:00

timed-average.c

…

trace-events

aio-posix: compute timeout before polling

2018-09-26 10:46:21 +08:00

unicode.c

json: Reject invalid UTF-8 sequences

2018-08-24 20:26:37 +02:00

uri.c

cutils: Provide strchrnul

2018-06-29 12:32:10 +02:00

uuid.c

util: add is_equal to UUID API

2017-12-20 22:01:24 +08:00

vfio-helpers.c

replace functions which are only available in glib-2.24

2018-05-20 08:55:01 +03:00