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QEMU-Nyx-fork/util
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Jitendra Kolhe dfd0dcc717 mem-prealloc: fix sysconf(_SC_NPROCESSORS_ONLN) failure case. 
This was spotted by Coverity, in case where sysconf(_SC_NPROCESSORS_ONLN)
fails and returns -1. This results in memset_num_threads getting set to -1.
Which we then pass to g_new0().
The patch replaces MAX_MEM_PREALLOC_THREAD_COUNT macro with a function call
get_memset_num_threads() to handle sysconf() failure gracefully. In case
sysconf() fails, we fall back to single threaded.

(Spotted by Coverity, CID 1372465.)

Signed-off-by: Jitendra Kolhe <jitendra.kolhe@hpe.com>
Message-Id: <1490079006-32495-1-git-send-email-jitendra.kolhe@hpe.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-24 11:50:11 +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: remove unnecessary inc/dec pairs
2017-02-21 11:39:40 +00:00
aio-win32.c
async: remove unnecessary inc/dec pairs
2017-02-21 11:39:40 +00:00
aiocb.c
block: move AioContext, QEMUTimer, main-loop to libqemuutil
2017-02-21 11:14:07 +00:00
async.c
cpus: define QEMUTimerListNotifyCB for QEMU system emulation
2017-03-14 13:28:29 +01:00
base64.c
include/qemu/osdep.h: Don't include qapi/error.h
2016-03-22 22:20:15 +01:00
bitmap.c
bitmap: assert that start and nr are non negative
2017-01-20 13:22:17 +01:00
bitops.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
buffer.c
qemu-common: stop including qemu/host-utils.h from qemu-common.h
2016-05-19 16:42:28 +02:00
bufferiszero.c
cutils: Rewrite x86 buffer zero checking
2016-09-14 12:25:14 +02:00
compatfd.c
cpus: remove ugly cast on sigbus_handler
2017-03-03 16:40:02 +01:00
coroutine-gthread.c
all: Remove unnecessary glib.h includes
2016-06-07 18:19:24 +03:00
coroutine-sigaltstack.c
coroutine-sigaltstack: use helper for allocating stack memory
2016-09-29 14:13:39 +02:00
coroutine-ucontext.c
coroutine-ucontext: use helper for allocating stack memory
2016-09-29 14:13:39 +02:00
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
util/cutils: Change qemu_strtosz*() from int64_t to uint64_t
2017-02-23 20:35:36 +01:00
envlist.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
error.c
migration: add reporting of errors for outgoing migration
2016-05-26 11:31:30 +05:30
event_notifier-posix.c
event_notifier: cleanups around event_notifier_set_handler
2017-01-16 17:52:35 +01:00
event_notifier-win32.c
event_notifier: cleanups around event_notifier_set_handler
2017-01-16 17:52:35 +01:00
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: Add hbitmap_is_serializable()
2017-01-26 10:25:01 +08:00
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
keyval: Document issues with 'any' and alternate types
2017-03-21 10:42:09 +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
cpus: define QEMUTimerListNotifyCB for QEMU system emulation
2017-03-14 13:28:29 +01:00
Makefile.objs
qemu-ga: obey LISTEN_PID when using systemd socket activation
2017-03-19 11:12:12 +01:00
memfd.c
os-posix: include sys/mman.h
2016-06-16 18:39:03 +02:00
mmap-alloc.c
exec, kvm, target-ppc: Move getrampagesize() to common code
2017-03-03 11:30:59 +11:00
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: Introduce qemu_dup
2016-07-13 13:26:02 +02:00
oslib-posix.c
mem-prealloc: fix sysconf(_SC_NPROCESSORS_ONLN) failure case.
2017-03-24 11:50:11 +01:00
oslib-win32.c
mem-prealloc: reduce large guest start-up and migration time.
2017-03-14 13:26:36 +01:00
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
block: Add bdrv_runtime_opts to query-command-line-options
2016-10-07 13:34:07 +02:00
qemu-coroutine-io.c
coroutine: move entry argument to qemu_coroutine_create
2016-07-13 13:26:02 +02:00
qemu-coroutine-lock.c
coroutine-lock: make CoRwlock thread-safe and fair
2017-02-21 11:39:40 +00:00
qemu-coroutine-sleep.c
block: explicitly acquire aiocontext in timers that need it
2017-02-21 11:14:08 +00:00
qemu-coroutine.c
coroutine-lock: add limited spinning to CoMutex
2017-02-21 11:39:40 +00:00
qemu-error.c
qemu-error: remove dependency of stubs on monitor
2016-11-01 16:06:57 +01:00
qemu-openpty.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
qemu-option.c
option: Tweak invalid size error message and unbreak iotest 049
2017-02-28 20:40:31 +01:00
qemu-progress.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
qemu-sockets.c
io: introduce a DNS resolver API
2017-01-23 15:32:46 +00:00
qemu-thread-posix.c
* QOM interface fix (Eduardo)
2017-01-20 16:42:07 +00:00
qemu-thread-win32.c
* QOM interface fix (Eduardo)
2017-01-20 16:42:07 +00:00
qemu-timer-common.c
util: Clean up includes
2016-02-04 17:01:04 +00:00
qemu-timer.c
icount: process QEMU_CLOCK_VIRTUAL timers in vCPU thread
2017-03-14 13:51:34 +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
rcu: simplify memory barriers
2016-10-24 11:30:56 +02:00
readline.c
util: move declarations out of qemu-common.h
2016-03-22 22:20:17 +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: Don't allow burst limits to be lower than the normal limits
2016-08-05 09:59:06 +01:00
timed-average.c
Fix some typos found by codespell
2016-05-18 15:04:27 +03:00
trace-events
coroutine-lock: make CoMutex thread-safe
2017-02-21 11:39:40 +00:00
unicode.c
util: move declarations out of qemu-common.h
2016-03-22 22:20:17 +01:00
uri.c
Fix documentation and some comments (article, grammar)
2017-01-24 23:26:52 +03:00
uuid.c
uuid: Tighten uuid parse
2016-09-23 11:42:52 +08:00