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Satoru Moriya 888a6bc63c Add option to mlock qemu and guest memory 
In certain scenario, latency induced by paging is significant and
memory locking is needed. Also, in the scenario with untrusted
guests, latency improvement due to mlock is desired.

This patch introduces a following new option to mlock guest and
qemu memory:

-realtime mlock=on|off

Signed-off-by: Satoru Moriya <satoru.moriya@hds.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1366382526-26146-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-22 08:52:23 -05:00
audio
…
backends
rng random backend: check for -EAGAIN errors on read
2013-04-16 16:10:21 -05:00
block
Merge remote-tracking branch 'kwolf/for-anthony' into staging
2013-04-22 08:08:22 -05:00
bsd-user
qemu-log: default to stderr for logging output
2013-02-26 13:31:47 -06:00
default-configs
Merge remote-tracking branch 'bonzini/scsi-next' into staging
2013-04-22 08:05:05 -05:00
disas
target-i386: add AES-NI instructions
2013-04-13 13:51:57 +02:00
docs
Merge remote-tracking branch 'bonzini/scsi-next' into staging
2013-04-22 08:05:05 -05:00
dtc @ bc895d6d09
dtc: add submodule
2013-04-18 13:50:53 +02:00
fpu
fpu: Correct edgecase in float64_muladd
2013-04-15 16:06:15 +02:00
fsdev
…
gdb-xml
…
hw
Merge remote-tracking branch 'bonzini/scsi-next' into staging
2013-04-22 08:05:05 -05:00
include
Add option to mlock qemu and guest memory
2013-04-22 08:52:23 -05:00
ldscripts
…
libcacard
…
linux-headers
linux-headers: Update to v3.9-rc2
2013-04-01 11:50:04 -06:00
linux-user
linux-user: change do_semop to return target errno when unsuccessful
2013-04-19 11:42:03 +02:00
net
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
pc-bios
hw: move headers to include/
2013-04-08 18:13:10 +02:00
pixman @ 97336fad32
…
po
po: Update German translation
2013-04-04 00:28:37 +02:00
qapi
…
qga
qemu-ga: ga_get_fd_handle(): abort if fd_counter overflows
2013-04-02 09:06:11 -05:00
QMP
Merge remote-tracking branch 'mst/tags/for_anthony' into staging
2013-03-26 16:16:43 -05:00
qobject
qjson: to_json() case QTYPE_QSTRING is buggy, rewrite
2013-04-13 19:40:25 +00:00
qom
qom: do nothing on unparent of object without parent
2013-04-16 16:10:21 -05:00
roms
Merge remote-tracking branch 'mst/tags/for_anthony' into staging
2013-03-26 16:16:43 -05:00
scripts
vmxcap: Update according to SDM of January 2013
2013-04-17 23:27:24 -03:00
slirp
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
stubs
stubs: Add a vmstate_dummy struct for CONFIG_USER_ONLY
2013-03-12 10:35:54 +01:00
sysconfigs/target
…
target-alpha
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-arm
target-arm: Correctly restore FPSCR
2013-04-19 12:24:19 +01:00
target-cris
target-cris: Override do_interrupt for pre-v32 CPU cores
2013-04-16 02:45:11 +02:00
target-i386
i386 ROR r8/r16 instruction fix
2013-04-20 21:27:52 +02:00
target-lm32
hw: move headers to include/
2013-04-08 18:13:10 +02:00
target-m68k
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-microblaze
Typo, spelling and grammatical fixes
2013-04-12 14:33:20 +02:00
target-mips
target-mips: fix mipsdsp_mul_q15_q15 and tests for MAQ_SA_W_PHL/PHR
2013-04-15 16:07:57 +02:00
target-moxie
target-moxie: Fix VMState registration
2013-04-12 14:30:39 +02:00
target-openrisc
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-ppc
memory: move core typedefs to qemu/typedefs.h
2013-04-15 18:19:26 +02:00
target-s390x
Typo, spelling and grammatical fixes
2013-04-12 14:33:20 +02:00
target-sh4
hw: move headers to include/
2013-04-08 18:13:10 +02:00
target-sparc
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-unicore32
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
target-xtensa
cpu: Replace do_interrupt() by CPUClass::do_interrupt method
2013-03-12 10:35:55 +01:00
tcg
tcg-ppc64: Handle deposit of zero
2013-04-15 20:09:55 +02:00
tests
qemu-iotests: add 053 unaligned compressed image size test
2013-04-22 11:37:12 +02:00
trace
trace: rebuild generated-events.o when configuration changes
2013-03-28 14:19:57 +01:00
ui
Merge remote-tracking branch 'luiz/queue/qmp' into staging
2013-04-22 08:04:21 -05:00
util
iov: handle partial writes from sendmsg and recvmsg
2013-04-17 11:43:45 +02:00
.exrc
…
.gitignore
.gitignore: rename trace/generated-tracers.dtrace
2013-03-28 14:19:57 +01:00
.gitmodules
dtc: add submodule
2013-04-18 13:50:53 +02:00
.mailmap
…
aio-posix.c
aio: support G_IO_HUP and G_IO_ERR
2013-02-21 16:17:31 -06:00
aio-win32.c
…
arch_init.c
include: avoid useless includes of exec/ headers
2013-04-15 18:19:26 +02:00
async.c
aio: add a ThreadPool instance to AioContext
2013-03-15 16:07:50 +01:00
balloon.c
…
block-migration.c
migration: run setup callbacks out of big lock
2013-03-11 13:32:01 +01:00
block.c
block: Allow overriding backing.file.filename
2013-04-22 11:37:12 +02:00
blockdev-nbd.c
hw: move headers to include/
2013-04-08 18:13:10 +02:00
blockdev.c
hw: move headers to include/
2013-04-08 18:13:10 +02:00
blockjob.c
…
bt-host.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
bt-vhci.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
Changelog
…
cmd.c
…
cmd.h
…
CODING_STYLE
…
configure
vhost-scsi: new device supporting the tcm_vhost Linux kernel module
2013-04-19 16:18:11 +02:00
COPYING
…
COPYING.LIB
…
coroutine-gthread.c
…
coroutine-sigaltstack.c
Merge remote-tracking branch 'kwolf/for-anthony' into staging
2013-02-26 07:44:39 -06:00
coroutine-ucontext.c
Fix warnings suppressors to honor --disable-werror
2013-04-17 10:28:04 -05:00
coroutine-win32.c
…
cpu-exec.c
Merge branch 'mingw' of git://qemu.weilnetz.de/qemu
2013-04-13 14:31:54 +02:00
cpus.c
w64: Fix compiler warnings (wrong format specifier)
2013-04-19 11:38:08 +02:00
cputlb.c
cpu: Move current_tb field to CPUState
2013-02-16 14:51:00 +01:00
device_tree.c
…
device-hotplug.c
hw: move device-hotplug.o to toplevel, compile it once
2013-03-01 13:57:13 +01:00
disas.c
disas: Disassemble all ppc insns for the host
2013-04-15 19:44:35 +02:00
dma-helpers.c
…
dump-stub.c
…
dump.c
include: avoid useless includes of exec/ headers
2013-04-15 18:19:26 +02:00
exec.c
hw: move headers to include/
2013-04-08 18:13:10 +02:00
gdbstub.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
HACKING
…
hmp-commands.hx
Revert "New QMP command query-cpu-max and HMP command cpu_max"
2013-04-12 09:41:54 -04:00
hmp.c
Merge remote-tracking branch 'bonzini/hw-dirs' into staging
2013-04-15 17:06:04 -05:00
hmp.h
Revert "New QMP command query-cpu-max and HMP command cpu_max"
2013-04-12 09:41:54 -04:00
iohandler.c
iohandler: switch to GPollFD
2013-02-21 16:17:31 -06:00
ioport.c
…
kvm-all.c
Merge remote-tracking branch 'mst/tags/for_anthony' into staging
2013-04-19 08:38:05 -05:00
kvm-stub.c
Merge remote-tracking branch 'mst/tags/for_anthony' into staging
2013-04-19 08:38:05 -05:00
LICENSE
…
main-loop.c
main-loop: drop the BQL if the I/O appears to be spinning
2013-04-05 12:53:33 -05:00
MAINTAINERS
MAINTAINERS: update for source code movement
2013-04-08 18:13:16 +02:00
Makefile
configure/Make: Build libfdt from submodule DTC
2013-04-18 13:50:53 +02:00
Makefile.objs
tpm: reorganize headers and split hardware part
2013-04-15 18:19:25 +02:00
Makefile.target
configure: move common libraries to config-host.mak
2013-04-18 14:12:31 +02:00
memory_mapping-stub.c
…
memory_mapping.c
…
memory.c
memory: fix a bug of detection of memory region collision
2013-03-22 13:21:28 +01:00
migration-exec.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration-fd.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration-tcp.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration-unix.c
migration: eliminate s->migration_file
2013-03-11 13:32:03 +01:00
migration.c
migration: reflect incoming failure to shell
2013-04-17 10:24:24 -05:00
monitor.c
Merge remote-tracking branch 'bonzini/hw-dirs' into staging
2013-04-15 17:06:04 -05:00
nbd.c
oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock()
2013-04-02 11:47:37 -04:00
os-posix.c
Add option to mlock qemu and guest memory
2013-04-22 08:52:23 -05:00
os-win32.c
qemu-timer: move timeBeginPeriod/timeEndPeriod to os-win32
2013-04-12 18:27:16 +02:00
page_cache.c
page_cache: dup memory on insert
2013-03-11 13:32:03 +01:00
qapi-schema-test.json
…
qapi-schema.json
qapi: use valid JSON in schema
2013-04-12 09:41:54 -04:00
qdev-monitor.c
qbus: remove wrong error messages
2013-04-17 10:24:11 -05:00
qdict-test-data.txt
…
qemu-bridge-helper.c
qemu-bridge-helper: force usage of a very high MAC address for the bridge
2013-03-28 12:58:52 -05:00
qemu-char.c
qemu-char: do not operate on sources from finalize callbacks
2013-04-22 08:52:21 -05:00
qemu-coroutine-io.c
…
qemu-coroutine-lock.c
coroutine: use AioContext for CoQueue BH
2013-03-15 16:07:51 +01:00
qemu-coroutine-sleep.c
…
qemu-coroutine.c
coroutine: move pooling to common code
2013-02-22 21:21:10 +01:00
qemu-doc.texi
block: ssh: Use libssh2_sftp_fsync (if supported by libssh2) to flush to disk.
2013-04-15 10:18:05 +02:00
qemu-img-cmds.hx
qemu-img: Add compare subcommand
2013-02-22 21:21:10 +01:00
qemu-img.c
qemu-img: do not zero-pad the compressed write buffer
2013-04-22 10:27:58 +02:00
qemu-img.texi
qemu-img: Add compare subcommand
2013-02-22 21:21:10 +01:00
qemu-io.c
block: Add options QDict to bdrv_file_open() prototypes
2013-03-22 17:51:31 +01:00
qemu-log.c
qemu-log: default to stderr for logging output
2013-02-26 13:31:47 -06:00
qemu-nbd.c
Add -f FMT / --format FMT arg to qemu-nbd
2013-04-15 14:29:20 -05:00
qemu-nbd.texi
Add -f FMT / --format FMT arg to qemu-nbd
2013-04-15 14:29:20 -05:00
qemu-options-wrapper.h
…
qemu-options.h
…
qemu-options.hx
Add option to mlock qemu and guest memory
2013-04-22 08:52:23 -05:00
qemu-seccomp.c
…
qemu-tech.texi
…
qemu-timer.c
qemu-timer: move timeBeginPeriod/timeEndPeriod to os-win32
2013-04-12 18:27:16 +02:00
qemu.sasl
…
qmp-commands.hx
Revert "New QMP command query-cpu-max and HMP command cpu_max"
2013-04-12 09:41:54 -04:00
qmp.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
qtest.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
readline.c
…
README
…
rules.mak
…
savevm.c
qemu-file: do not use stdio for qemu_fdopen
2013-04-17 11:44:22 +02:00
spice-qemu-char.c
spice-qemu-char: vmc_write: Don't write more bytes then we're asked too
2013-04-16 11:52:09 +02:00
tcg-runtime.c
tcg: Implement multiword multiply helpers
2013-02-23 17:25:28 +00:00
tci.c
tci: Make tcg temporaries local to tcg_qemu_tb_exec
2013-04-11 19:58:21 +02:00
thread-pool.c
threadpool: drop global thread pool
2013-03-15 16:07:51 +01:00
thunk.c
…
tpm.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
trace-events
scsi: VMWare PVSCSI paravirtual device implementation
2013-04-19 10:44:17 +02:00
translate-all.c
translate-all: fix compiler warning and linked error
2013-04-22 08:47:33 -05:00
translate-all.h
cputlb: Pass CPUState to cpu_unlink_tb()
2013-02-16 14:51:00 +01:00
user-exec.c
Replace all setjmp()/longjmp() with sigsetjmp()/siglongjmp()
2013-02-23 16:11:19 +00:00
VERSION
Open up 1.5 development tree
2013-02-15 17:40:56 -06:00
version.rc
…
vl.c
Add option to mlock qemu and guest memory
2013-04-22 08:52:23 -05:00
xbzrle.c
Move XBZRLE encoding code to a separate file to allow testing
2013-02-01 08:32:20 +01:00
xen-all.c
sysemu: avoid proliferation of include/ subdirectories
2013-04-15 18:19:25 +02:00
xen-mapcache.c
hw: move headers to include/
2013-04-08 18:13:10 +02:00
xen-stub.c
hw: move headers to include/
2013-04-08 18:13:10 +02:00

README 

Read the documentation in qemu-doc.html or on http://wiki.qemu.org

- QEMU team
Description
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