Commit Graph

23874 Commits

Author SHA1 Message Date
Hans de Goede
51e0c5d029 ehci: Add an ehci_get_pid helper function
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-07 12:57:23 +01:00
Hans de Goede
e3fdfd488c ehci: Verify qtd for async completed packets
Remove the short-circuiting of fetchqtd in fetchqh, so that the
qtd gets properly verified before completing the transaction.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-07 12:57:23 +01:00
Hans de Goede
2b3de6ada5 ehci: writeback_async_complete_packet: verify qh and qtd
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-07 12:57:23 +01:00
Hans de Goede
190d849249 ehci: Move get / put_dwords upwards
No other changes.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-07 12:57:23 +01:00
Hans de Goede
d066c57b1c ehci: Verify guest does not change the token of inflight qtd-s
This is not allowed, except for clearing active on cancellation, so don't
warn when the new token does not have its active bit set.

This unifies the cancellation path for modified qtd-s, and prepares
ehci_verify_qtd to be used ad an extra check inside
ehci_writeback_async_complete_packet().

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-07 12:57:23 +01:00
Hans de Goede
c643263409 ehci: Add ehci_verify_qh and ehci_verify_qtd helper functions
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-07 12:57:23 +01:00
Hans de Goede
f881c8d36b ehci: Add a ehci_writeback_async_complete_packet helper function
Also drop the warning printf, which was there mainly because this was an
untested code path (as the previous bug fixes to it show), but that no
longer is the case now :)

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-07 12:57:23 +01:00
Amos Kong
83f58e570f rtl8139: preserve link state across device reset
A device reset does not affect the link state, only set_link does.

Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-07 10:43:21 +01:00
Amos Kong
84dd212024 e1000: no need auto-negotiation if link was down
Commit b9d03e352c added link
auto-negotiation emulation, it would always set link up by
callback function. Problem exists if original link status
was down, link status should not be changed in auto-negotiation.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-07 10:43:21 +01:00
Amos Kong
f30dbae63a net: clean up network at qemu process termination
We don't clean up network if fails to parse "-device" parameters without
calling net_cleanup(). I touch a problem, the tap device which is
created by qemu-ifup script could not be removed by qemu-ifdown script.
Some similar problems also exist in vl.c

In this patch, if network initialization successes, a cleanup function
will be registered to be called at qemu process termination.

Signed-off-by: Amos Kong <akong@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-07 10:43:21 +01:00
Michael Contreras
2c0331f4f7 e1000: Discard oversized packets based on SBP|LPE
Discard packets longer than 16384 when !SBP to match the hardware behavior.

Signed-off-by: Michael Contreras <michael@inetric.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-07 10:43:21 +01:00
Blue Swirl
8e4a424b30 Revert "virtio-pci: replace byte swap hack"
This reverts commit 9807caccd6.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-01-06 18:30:17 +00:00
Blue Swirl
9807caccd6 virtio-pci: replace byte swap hack
Remove byte swaps by declaring the config space
as native endian.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-01-06 08:24:26 +00:00
Blue Swirl
1d728c3946 tests: add gcov support
Add support for compiling for GCOV test coverage, enabled
with '--enable-gcov' during configure.

Test coverage will be reported after each test.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-01-06 08:15:08 +00:00
Stefan Weil
549db5c32b hw/i386: Fix broken build for non POSIX hosts
pc-testdev.c cannot be compiled with MinGW (and other non POSIX hosts):

  CC    i386-softmmu/hw/i386/../pc-testdev.o
qemu/hw/i386/../pc-testdev.c:38:22: warning: sys/mman.h: file not found
qemu/hw/i386/../pc-testdev.c: In function ‘test_flush_page’:
qemu/hw/i386/../pc-testdev.c:103: warning: implicit declaration of function ‘mprotect’
...

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-01-05 10:14:05 +00:00
Richard Henderson
1e397eadf1 softfloat: Implement uint64_to_float128
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-01-05 10:12:50 +00:00
Richard Henderson
17ed229379 softfloat: Fix uint64_to_float64
The interface to normalizeRoundAndPackFloat64 requires that the
high bit be clear.  Perform one shift-right-and-jam if needed.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-01-05 10:12:49 +00:00
Anthony Liguori
a4c7ecd8ca Merge remote-tracking branch 'stefanha/trivial-patches' into staging
* stefanha/trivial-patches:
  spice: drop incorrect vm_change_state_handler() opaque
  linux-user/syscall.c: remove forward declarations
  hw/mcf5206: Reduce size of lookup table
  Remove --sparc_cpu option from the configure list
  pseries: Remove unneeded include statement (fixes MinGW builds)
  pc_sysfw: Check for qemu_find_file() failure

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-04 13:25:20 -06:00
Anthony Liguori
346c1f8b52 Merge remote-tracking branch 'kraxel/testdev.1' into staging
* kraxel/testdev.1:
  pc: remove bochs bios debug ports
  hw: Add test device for unittests execution
  add isa-debug-exit device.
  switch debugcon to memory api

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-04 13:25:07 -06:00
Anthony Liguori
72e5b276b2 Merge remote-tracking branch 'kraxel/acpi.2' into staging
* kraxel/acpi.2:
  apci: assign memory regions to ich9 lpc device
  apci: assign memory regions to piix4 acpi device
  acpi: autoload dsdt
  configure: also symlink *.aml files

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-04 13:24:49 -06:00
Stefan Hajnoczi
bfb82a2875 spice: drop incorrect vm_change_state_handler() opaque
The spice_server pointer is a global variable and
vm_change_state_handler() therefore does not use its opaque parameter.

The vm change state handler is added with a pointer to the spice_server
pointer.  This is useless and we probably would not want 2 levels of
pointers.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Uri Lublin <uril@redhat.com>
2013-01-04 14:38:05 +01:00
John Spencer
586b0bef84 linux-user/syscall.c: remove forward declarations
instead use the correct headers that define these functions.

Requested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: John Spencer <maillist-qemu@barfooze.de>
Reviewed-by: Amos Kong <kongjianjun@gmail.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-04 14:38:05 +01:00
Stefan Weil
715857cbba hw/mcf5206: Reduce size of lookup table
This typically reduces the size from 512 bytes to 128 bytes.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-04 14:38:05 +01:00
陳韋任 (Wei-Ren Chen)
c242222c97 Remove --sparc_cpu option from the configure list
commit 9b9c37c364 always assume sparcv9,
the others are no longer supported. Remove --sparc_cpu option from the
configure list.

Signed-off-by: Chen Wei-Ren <chenwj@iis.sinica.edu.tw>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-04 14:38:04 +01:00
Stefan Weil
e2af7a4dc8 pseries: Remove unneeded include statement (fixes MinGW builds)
sys/mman.h is not needed (tested on Linux) and unavailable for MinGW,
so remove it.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-04 14:38:04 +01:00
Markus Armbruster
e7b1d0ea95 pc_sysfw: Check for qemu_find_file() failure
pc_fw_add_pflash_drv() ignores qemu_find_file() failure, and happily
creates a drive without a medium.

When pc_system_flash_init() asks for its size, bdrv_getlength() fails
with -ENOMEDIUM, which isn't checked either.  It fails relatively
cleanly only because -ENOMEDIUM isn't a multiple of 4096:

    $ qemu-system-x86_64 -S -vnc :0 -bios nonexistant
    qemu: PC system firmware (pflash) must be a multiple of 0x1000
    [Exit 1 ]

Fix by handling the qemu_find_file() failure.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-04 14:38:04 +01:00
Gerd Hoffmann
9ee59f341f pc: remove bochs bios debug ports
Prehistoric leftover, zap it.  We poweroff via acpi these days.

And having a port (0x501,0x502) where any random guest write will make
qemu exit -- with no way to turn it off -- is a bad joke anyway.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-04 09:11:36 +01:00
Lucas Meneghel Rodrigues
ee0cc5415e hw: Add test device for unittests execution
Add a test device which supports the kvmctl ioports,
so one can run the KVM unittest suite.

Intended Usage:

qemu-system-x86_64 -nographic \
    -device pc-testdev \
    -device isa-debug-exit,iobase=0xf4,iosize=0x04 \
    -kernel /path/to/kvm/unittests/msr.flat

Where msr.flat is one of the KVM unittests, present on a
separate repo,

git://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git

[ kraxel: more memory api + qom fixes ]

CC: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-04 09:11:30 +01:00
Gerd Hoffmann
bb355b1859 add isa-debug-exit device.
When present it makes qemu exit on any write.
Mapped to port 0x501 by default.

Without this patch Anthony doesn't allow me to
remove the bochs bios debug ports because his
test suite uses this.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-04 08:51:57 +01:00
Gerd Hoffmann
e8ba1ce92d switch debugcon to memory api
Also some QOM glue while being at it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-04 08:51:57 +01:00
Gerd Hoffmann
503b19fc5d apci: assign memory regions to ich9 lpc device
Get rid of get_system_io() usage.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-04 08:51:56 +01:00
Gerd Hoffmann
56e5b2a1a6 apci: assign memory regions to piix4 acpi device
Get rid of get_system_io() usage.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-04 08:51:56 +01:00
Gerd Hoffmann
f7e4dd6c18 acpi: autoload dsdt
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-04 08:51:56 +01:00
Gerd Hoffmann
5acc2ec041 configure: also symlink *.aml files
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-01-04 08:51:56 +01:00
Gerd Hoffmann
25bbf61e4b pty: unbreak libvirt
Commit 586502189e breaks libvirt pty
support because it tried to figure the pts name from stderr output.

Fix this by moving the label to the end of the line, this way the
libvirt parser does still recognise the message.  libvirt looks
for "char device redirected to ${ptsname}<whitespace>".

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-03 12:53:41 -06:00
Stefan Hajnoczi
ef4929fb3c dataplane: use linux-headers/ for virtio includes
The hw/dataplane/vring.c code includes linux/virtio_ring.h.  Ensure that
we use linux-headers/ instead of the system-wide headers, which may be
out-of-date on older distros.

This resolves the following build error on Debian 6:

  CC    hw/dataplane/vring.o
cc1: warnings being treated as errors
hw/dataplane/vring.c: In function 'vring_enable_notification':
hw/dataplane/vring.c:71: error: implicit declaration of function 'vring_avail_event'
hw/dataplane/vring.c:71: error: nested extern declaration of 'vring_avail_event'
hw/dataplane/vring.c:71: error: lvalue required as left operand of assignment

Note that we now build dataplane/ for each target instead of only once.
There is no way around this since linux-headers/ is only available for
per-target objects - and it's how virtio, vfio, kvm, and friends are
built.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-03 07:13:25 -06:00
Stefan Weil
dbd99ae302 configure: Write new file "config-all-disas.mak" when running configure
Incremental builds added new lines to that file each time when configure
was run.

Now a new file with a comment line is written.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-02 13:33:21 -06:00
Stefan Weil
5034833360 tci: Fix broken builds with TCG interpreter
TCI no longer compiled after commit 76cad71136.

The TCI disassembler depends on data structures which are different for
each QEMU target, so it cannot be compiled as a universal-obj today.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-02 13:33:05 -06:00
Michael Tokarev
74e91370be savevm.c: cleanup system includes
savevm.c suffers from the same problem as some other files.
Some years ago savevm.c was created from vl.c, moving some
code from there into a separate file.  At that time, all
includes were just copied from vl.c to savevm.c, without
checking which ones are needed and which are not.

But actually most of that stuff is _not_ needed.  More, some
stuff is wrong, for example, *BSD #ifdef'ery around <util.h>
vs <libutil.h> - for one, it fails to build on Debian/kFreebsd.

Just remove all this.  Maybe there's a possibility to clean
it up further - like removing <windows.h> (and maybe including
winsock.h for htons etc), and maybe it's possible to remove
some internal #includes too, but I didn't check this.

While at it, remove duplicate #include of qemu/timer.h.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-02 13:32:48 -06:00
Michael Tokarev
ab51b1d568 disallow -daemonize usage of stdio (curses display, -nographic, -serial stdio etc)
Curses display requires stdin/out to stay on the terminal,
so -daemonize makes no sense in this case.  Instead of
leaving display uninitialized like is done since 995ee2bf46,
explicitly detect this case earlier and error out.

-nographic can actually be used with -daemonize, by redirecting
everything to a null device, but the problem is that according
to documentation and historical behavour, -nographic redirects
guest ports to stdin/out, which, again, makes no sense in case
of -daemonize.  Since -nographic is a legacy option, don't bother
fixing this case (to allow -nographic and -daemonize by redirecting
guest ports to null instead of stdin/out in this case), but disallow
it completely instead, to stop garbling host terminal.

If no display display needed and user wants to use -nographic,
the right way to go is to use
  -serial null -parallel null -monitor none -display none -vga none
instead of -nographic.

Also prevent the same issue -- it was possible to get garbled
host tty after

  -nographic -daemonize

and it is still possible to have it by using

  -serial stdio -daemonize

Fix this by disallowing opening stdio chardev when -daemonize
is specified.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-02 13:32:41 -06:00
Anthony Liguori
217da7fdeb Merge remote-tracking branch 'stefanha/block' into staging
* stefanha/block:
  sheepdog: pass oid directly to send_pending_req()
  sheepdog: don't update inode when create_and_write fails
  block/raw-win32: Fix compiler warnings (wrong format specifiers)
  qemu-img: report size overflow error message
  cutils: change strtosz_suffix_unit function
  virtio-blk: Return UNSUPP for unknown request types
  virtio-blk: add x-data-plane=on|off performance feature
  dataplane: add virtio-blk data plane code
  virtio-blk: restore VirtIOBlkConf->config_wce flag
  iov: add qemu_iovec_concat_iov()
  test-iov: add iov_discard_front/back() testcases
  iov: add iov_discard_front/back() to remove data
  dataplane: add Linux AIO request queue
  dataplane: add event loop
  dataplane: add virtqueue vring code
  dataplane: add host memory mapping code
  configure: add CONFIG_VIRTIO_BLK_DATA_PLANE
  raw-posix: add raw_get_aio_fd() for virtio-blk-data-plane

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-02 12:19:27 -06:00
Stefan Weil
9a8a5ae69d tcg: Remove unneeded assertion
Commit 7f6f0ae5b9 added two assertions.

One of these assertions is not needed:
The pointer ts is never NULL because it is initialized with the
address of an array element.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-01-02 11:23:21 -06:00
Liu Yuan
d6b1ef89a1 sheepdog: pass oid directly to send_pending_req()
Cc: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Cc: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Liu Yuan <tailai.ly@taobao.com>
Reviewed-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-02 16:09:00 +01:00
Liu Yuan
bd751f2204 sheepdog: don't update inode when create_and_write fails
For the error case such as SD_RES_NO_SPACE, we shouldn't update the inode bitmap
to avoid the scenario that the object is allocated but wasn't created at the
server side. This will result in VM's IO error on the failed object.

Cc: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Cc: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Liu Yuan <tailai.ly@taobao.com>
Reviewed-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-02 16:08:58 +01:00
Stefan Weil
fccedc624c block/raw-win32: Fix compiler warnings (wrong format specifiers)
Commit fbcad04d6b added fprintf statements
with wrong format specifiers.

GetLastError() returns a DWORD which is unsigned long, so %lu must be used.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-02 16:08:57 +01:00
liguang
7944339726 qemu-img: report size overflow error message
qemu-img will complain when qcow or qcow2
size overflow for 64 bits, report the right
message in this condition.

$./qemu-img create -f qcow2 /tmp/foo 0x10000000000000000
before change:
qemu-img: Invalid image size specified! You may use k, M, G or T suffixes for
qemu-img: kilobytes, megabytes, gigabytes and terabytes.

after change:
qemu-img: Image size must be less than 8 EiB!

[Resolved conflict with a9300911 goto removal -- Stefan]

Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-02 16:08:56 +01:00
liguang
37edbf7ea8 cutils: change strtosz_suffix_unit function
if value to be translated is larger than INT64_MAX,
this function will not be convenient for caller to
be aware of it, so change a little for this.

Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-02 16:08:54 +01:00
Alexey Zaytsev
9e72c45033 virtio-blk: Return UNSUPP for unknown request types
Currently, all unknown requests are treated as VIRTIO_BLK_T_IN

Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-02 16:08:53 +01:00
Stefan Hajnoczi
392808b49b virtio-blk: add x-data-plane=on|off performance feature
The virtio-blk-data-plane feature is easy to integrate into
hw/virtio-blk.c.  The data plane can be started and stopped similar to
vhost-net.

Users can take advantage of the virtio-blk-data-plane feature using the
new -device virtio-blk-pci,x-data-plane=on property.

The x-data-plane name was chosen because at this stage the feature is
experimental and likely to see changes in the future.

If the VM configuration does not support virtio-blk-data-plane an error
message is printed.  Although we could fall back to regular virtio-blk,
I prefer the explicit approach since it prompts the user to fix their
configuration if they want the performance benefit of
virtio-blk-data-plane.

Limitations:
 * Only format=raw is supported
 * Live migration is not supported
 * Block jobs, hot unplug, and other operations fail with -EBUSY
 * I/O throttling limits are ignored
 * Only Linux hosts are supported due to Linux AIO usage

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-02 16:08:51 +01:00
Stefan Hajnoczi
e72f66a0a2 dataplane: add virtio-blk data plane code
virtio-blk-data-plane is a subset implementation of virtio-blk.  It only
handles read, write, and flush requests.  It does this using a dedicated
thread that executes an epoll(2)-based event loop and processes I/O
using Linux AIO.

This approach performs very well but can be used for raw image files
only.  The number of IOPS achieved has been reported to be several times
higher than the existing virtio-blk implementation.

Eventually it should be possible to unify virtio-blk-data-plane with the
main body of QEMU code once the block layer and hardware emulation is
able to run outside the global mutex.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-01-02 16:08:47 +01:00