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2013-09-25tcg-ppc: Cleanup tcg_out_qemu_ld/st_slow_pathRichard Henderson
Coding style fixes. Use TCGReg enumeration values instead of raw numbers. Don't needlessly pull the whole TCGLabelQemuLdst struct into local variables. Less conditional compilation. No functional changes. Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-25tcg-ppc: Avoid code for nop moveRichard Henderson
While these are rare from code that's been through the optimizer, it's not uncommon within the tcg backend. Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-25tcg-ppc: use new return-argument ld/st helpersPaolo Bonzini
These use a 32-bit load-of-immediate to save a mflr+addi+mtlr sequence. Tested with a Windows 98 guest (pretty much the most recent thing I could run on my PPC machine) and kvm-unit-tests's sieve.flat. The speed up for sieve.flat is as high as 10% for qemu-system-i386, 25% (no kidding) for qemu-system-x86_64 on my PowerBook G4. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-25tcg-ppc: fix qemu_ld/qemu_st for AIX ABIPaolo Bonzini
For the AIX ABI, the function pointer and small area pointer need to be loaded in the trampoline. The trampoline instead is called with a normal BL instruction. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-24configure: Allow command-line configure for ppc32Richard Henderson
Similar to manually selecting i386 for an x86_64 host. Signed-off-by: Richard Henderson <rth@twiddle.net>
2013-09-23Merge remote-tracking branch 'stefanha/tracing' into stagingAnthony Liguori
# By Alexey Kardashevskiy # Via Stefan Hajnoczi * stefanha/tracing: kvm: fix traces to use %x instead of %d Message-id: 1379699931-5837-1-git-send-email-stefanha@redhat.com
2013-09-23Merge remote-tracking branch 'stefanha/net' into stagingAnthony Liguori
# By Aurelien Jarno (1) and Vincenzo Maffione (1) # Via Stefan Hajnoczi * stefanha/net: e1000: NetClientInfo.receive_iov implemented pcnet-pci: mark I/O and MMIO as LITTLE_ENDIAN Message-id: 1379699613-5338-1-git-send-email-stefanha@redhat.com
2013-09-23Merge remote-tracking branch 'stefanha/block' into stagingAnthony Liguori
# By Stefan Hajnoczi (4) and others # Via Stefan Hajnoczi * stefanha/block: virtio-blk: do not relay a previous driver's WCE configuration to the current blockdev: do not default cache.no-flush to true block: don't lose data from last incomplete sector qcow2: Correct snapshots size for overlap check coroutine: fix /perf/nesting coroutine benchmark coroutine: add qemu_coroutine_yield benchmark qemu-timer: do not take the lock in timer_pending qemu-timer: make qemu_timer_mod_ns() and qemu_timer_del() thread-safe qemu-timer: drop outdated signal safety comments osdep: warn if open(O_DIRECT) on fails with EINVAL libcacard: link against qemu-error.o for error_report() Message-id: 1379698931-946-1-git-send-email-stefanha@redhat.com
2013-09-23Merge remote-tracking branch 'mjt/trivial-patches' into stagingAnthony Liguori
# By Stefan Weil (8) and others # Via Michael Tokarev * mjt/trivial-patches: tests/.gitignore: ignore test-throttle exec: Fix broken build for MinGW (regression) kvm: Fix compiler warning (clang) tcg-sparc: Fix parenthesis warning Makefile: Remove some more files when cleaning target-i386: Fix segment cache dump iov: avoid "orig_len may be used unitialized" warning vscclient: remove unnecessary use of uninitialized variable trace-events: Clean up with scripts/cleanup-trace-events.pl again tci: Fix qemu-alpha on 32 bit hosts (wrong assertions) *-user: Improve documentation for lock_user function MAINTAINERS: Add missing entry to filelist for TCI target translate-all: Fix formatting of dump output *-user: Fix typo in comment (ulocking -> unlocking) docs: Fix IO port number for CPU present bitmap. q35: Fix typo in constant DEFUALT -> DEFAULT. configure: Undefine _FORTIFY_SOURCE prior using it Message-id: 1379696296-32105-1-git-send-email-mjt@msgid.tls.msk.ru
2013-09-23Merge remote-tracking branch 'qemu-kvm/uq/master' into stagingAnthony Liguori
# By Alexey Kardashevskiy (3) and others # Via Paolo Bonzini * qemu-kvm/uq/master: target-i386: add feature kvm_pv_unhalt linux-headers: update to 3.12-rc1 target-i386: forward CPUID cache leaves when -cpu host is used linux-headers: update to 3.11 kvm: fix traces to use %x instead of %d kvmvapic: Clear also physical ROM address when entering INACTIVE state kvmvapic: Enter inactive state on hardware reset kvmvapic: Catch invalid ROM size kvm irqfd: support direct msimessage to irq translation fix steal time MSR vmsd callback to proper opaque type kvm: warn if num cpus is greater than num recommended cpu: Move cpu state syncs up into cpu_dump_state() exec: always use MADV_DONTFORK Message-id: 1379694292-1601-1-git-send-email-pbonzini@redhat.com
2013-09-23Merge remote-tracking branch 'bonzini/scsi-next' into stagingAnthony Liguori
# By Hervé Poussineau (5) and Stefan Weil (1) # Via Paolo Bonzini * bonzini/scsi-next: block/iscsi: Drop iscsi_co_get_block_status for older versions of libiscsi lsi: add 53C810 variant lsi: remove todo lsi: ignore write accesses to CTEST0 registers lsi: check ssid versus sdid only if ssid is valid lsi: use constant name instead of its value
2013-09-20kvm: fix traces to use %x instead of %dAlexey Kardashevskiy
KVM request types are normally defined using hex constants but QEMU traces print decimal values instead, which is not very convenient. This changes the request type format from %d to %x. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-09-20e1000: NetClientInfo.receive_iov implementedVincenzo Maffione
This patch implements the NetClientInfo.receive_iov method for the e1000 device emulation. In this way a network backend that uses qemu_sendv_packet() can deliver the fragmented packet without requiring an additional copy in the frontend/backend network code (nc_sendv_compat() function). The existing method NetClientInfo.receive has been reimplemented using the new method. Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-09-20pcnet-pci: mark I/O and MMIO as LITTLE_ENDIANAurelien Jarno
Now that the memory subsystem is propagating the endianness correctly, the pcnet-pci device should have its I/O ports and MMIO memory marked as LITTLE_ENDIAN, as PCI devices are little endian. This makes the pcnet-pci NIC to work again on big endian MIPS Malta (default NIC). Cc: qemu-stable@nongnu.org Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-09-20virtio-blk: do not relay a previous driver's WCE configuration to the currentPaolo Bonzini
The following sequence happens: - the SeaBIOS virtio-blk driver does not support the WCE feature, which causes QEMU to disable writeback caching - the Linux virtio-blk driver resets the device, finds WCE is available but writeback caching is disabled; tells block layer to not send cache flush commands - the Linux virtio-blk driver sets the DRIVER_OK bit, which causes writeback caching to be re-enabled, but the Linux virtio-blk driver does not know of this side effect and cache flushes remain disabled The bug is at the third step. If the guest does know about CONFIG_WCE, QEMU should ignore the WCE feature's state. The guest will control the cache mode solely using configuration space. This change makes Linux do flushes correctly, but Linux will keep SeaBIOS's writethrough mode. Hence, whenever the guest is reset, the cache mode of the disk should be reset to whatever was specified in the "-drive" option. With this change, the Linux virtio-blk driver finds that writeback caching is enabled, and tells the block layer to send cache flush commands appropriately. Reported-by: Rusty Russell <rusty@au1.ibm.com Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-09-20blockdev: do not default cache.no-flush to truePaolo Bonzini
That's why all my VMs were so fast lately. :) This changed in 1.6.0 by mistake in patch 29c4e2b (blockdev: Split up 'cache' option, 2013-07-18). Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-09-20block: don't lose data from last incomplete sectorFam Zheng
To read the last sector that is not aligned to sector boundary, current code for growable backends, since commit 893a8f6 "block: Produce zeros when protocols reading beyond end of file", drops the data and directly returns zeroes. That is incorrect. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-09-20tests/.gitignore: ignore test-throttleFam Zheng
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20exec: Fix broken build for MinGW (regression)Stefan Weil
Commit 3435f39513a104294b5e3bbf3612047028d25cfc reduced the ifdeffery with this result for MinGW: exec.c: In function ‘qemu_ram_free’: exec.c:1239:17: warning: implicit declaration of function ‘munmap’ [-Wimplicit-function-declaration] exec.c:1239:17: warning: nested extern declaration of ‘munmap’ [-Wnested-externs] exec.c:1239: undefined reference to `munmap' Add some ifdeffery again to fix this. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20kvm: Fix compiler warning (clang)Stefan Weil
Report from clang analyzer: clock.c:42:15: warning: Value stored to 'cpu' during its initialization is never read Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20tcg-sparc: Fix parenthesis warningRichard Henderson
error: suggest parentheses around comparison in operand of ‘&’ [-Werror=parentheses] Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20Makefile: Remove some more files when cleaningStefan Weil
Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20target-i386: Fix segment cache dumpTobias Markus
When in Long Mode, cpu_x86_seg_cache() logs "DS16" because the Default operation size bit (D/B bit) is not set for Long Mode Data Segments since there are only Data Segments in Long Mode and no explicit 16/32/64-bit Descriptors. This patch fixes this by checking the Long Mode Active bit of the hidden flags variable and logging "DS" if it is set. (I.e. in Long Mode all Data Segments are logged as "DS") Signed-off-by: Tobias Markus <tobias@markus-regensburg.de> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20iov: avoid "orig_len may be used unitialized" warningMichael Tokarev
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20vscclient: remove unnecessary use of uninitialized variableMichael Tokarev
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20trace-events: Clean up with scripts/cleanup-trace-events.pl againMarkus Armbruster
Event qxl_render_blit_guest_primary_initialized is unused since commit c58c7b9, drop it. Commit 42e5b4c moved hw/ppc/xics.c to hw/intc/xics.c without updating the comment in trace-events. "scripts/cleanup-trace-events.pl trace-events | diff trace-events" is now clean again. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20tci: Fix qemu-alpha on 32 bit hosts (wrong assertions)Stefan Weil
Debian busybox-static for alpha has a load address of 0x0000000120000000 which is mapped to 0x0000000020000000 for 32 bit hosts. qemu-alpha uses the TCG opcodes qemu_ld32, qemu_ld64, qemu_st32 and qemu_st64 which all raise the assertion (taddr == host_addr). Remove all assertions of this type because they are either wrong or unnecessary (when sizeof(tcg_target_ulong) >= sizeof(target_ulong)). Cc: qemu-stable <qemu-stable@nongnu.org> Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20*-user: Improve documentation for lock_user functionStefan Weil
Add a missing "function" and replace "and" by "any". BSD and Linux use the same documentation here, so fix both. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20MAINTAINERS: Add missing entry to filelist for TCI targetStefan Weil
tci.c is also a maintained part of the TCI implementation. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20translate-all: Fix formatting of dump outputStefan Weil
The page dump writes a table with 3 abi_ulong values in each row. These values take 8 or 16 characters (depending on sizeof abi_ulong). Fix the table headings to be aligned with the table columns. old: start end size prot 0000000120000000-000000012021e000 000000000021e000 rwx 0000004000000000-0000004000002000 0000000000002000 --- 0000004000002000-0000004000802000 0000000000800000 rw- new: start end size prot 0000000120000000-000000012021e000 000000000021e000 rwx 0000004000000000-0000004000002000 0000000000002000 --- 0000004000002000-0000004000802000 0000000000800000 rw- Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20*-user: Fix typo in comment (ulocking -> unlocking)Stefan Weil
Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20docs: Fix IO port number for CPU present bitmap.Anthony PERARD
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Reviewd-By: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20q35: Fix typo in constant DEFUALT -> DEFAULT.Richard W.M. Jones
Signed-off-by: Richard W.M. Jones <rjones@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20configure: Undefine _FORTIFY_SOURCE prior using itMichal Privoznik
Currently, we are enforcing the _FORTIFY_SOURCE=2 without any previous detection if the macro has been already defined, e.g. by environment, or is just enabled by compiler by default. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Signed-off-by: Jan Vesely <jano.vesely@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-09-20Merge remote-tracking branch 'spice/spice.v74' into stagingAnthony Liguori
# By Gerd Hoffmann # Via Gerd Hoffmann * spice/spice.v74: qxl: compile only once qxl: simplify page dirtying qxl: simplify qxl_rom_size qxl: define qxl operating on 4k pages Message-id: 1379583534-7831-1-git-send-email-kraxel@redhat.com
2013-09-20Merge remote-tracking branch 'kraxel/usb.90' into stagingAnthony Liguori
# By Hans de Goede (6) and Gerd Hoffmann (1) # Via Gerd Hoffmann * kraxel/usb.90: usb: Fix iovec memleak on combined-packet free usb: Also reset max_packet_size on ep_reset xhci: Fix memory leak on xhci_disable_ep xhci: Add xhci_epid_to_usbep helper function xhci: Init a transfers xhci, slotid and epid member on epctx alloc xhci: Fix number of streams allocated when using streams usb: remove old usb-host code Message-id: 1379583298-7524-1-git-send-email-kraxel@redhat.com
2013-09-20Merge remote-tracking branch 'luiz/queue/qmp' into stagingAnthony Liguori
# By Luiz Capitulino # Via Luiz Capitulino * luiz/queue/qmp: QMP: qmp-events.txt: alphabetical order fix and other minor changes QMP: Update qmp-spec.txt QMP: Update README file QMP: QMP/ -> docs/qmp/ QMP: fix qmp-commands.txt generation path QMP: add scripts/qmp Message-id: 1379509422-29115-1-git-send-email-lcapitulino@redhat.com
2013-09-20qcow2: Correct snapshots size for overlap checkMax Reitz
Using s->snapshots_size instead of snapshots_size for the metadata overlap check in qcow2_write_snapshots leads to the detection of an overlap with the main qcow2 image header when deleting the last snapshot, since s->snapshots_size has not yet been updated and is therefore non-zero. However, the offset returned by qcow2_alloc_clusters will be zero since snapshots_size is zero. Therefore, an overlap is detected albeit no such will occur. This patch fixes this by replacing s->snapshots_size by snapshots_size when calling qcow2_pre_write_overlap_check. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-09-20target-i386: add feature kvm_pv_unhaltAndrew Jones
I don't know yet if want this feature on by default, so for now I'm just adding support for "-cpu ...,+kvm_pv_unhalt". Signed-off-by: Andrew Jones <drjones@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20linux-headers: update to 3.12-rc1Andrew Jones
Signed-off-by: Andrew Jones <drjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20target-i386: forward CPUID cache leaves when -cpu host is usedBenoît Canet
Some users running cpu intensive tasks checking the cache CPUID leaves at startup and making decisions based on the result reported that the guest was not reflecting the host CPUID leaves when -cpu host is used. This patch fix this. Signed-off-by: Benoît Canet <benoit@irqsave.net> [Rename new field to cache_info_passthrough - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20linux-headers: update to 3.11Alexey Kardashevskiy
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20kvm: fix traces to use %x instead of %dAlexey Kardashevskiy
KVM request types are normally defined using hex constants but QEMU traces print decimal values instead, which is not very convenient. This changes the request type format from %d to %x. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20kvmvapic: Clear also physical ROM address when entering INACTIVE stateJan Kiszka
To avoid misinterpreting INACTIVE after migration as old qemu-kvm's STANDBY, also clear rom_state_paddr when going back to this state. CC: qemu-stable@nongnu.org Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20kvmvapic: Enter inactive state on hardware resetJan Kiszka
ROM layout may change after reset of devices are hotplugged, so we have to pick up the physical address again when the ROM is initialized. This is best achieved by resetting the state to INACTIVE. CC: qemu-stable@nongnu.org Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20kvmvapic: Catch invalid ROM sizeJan Kiszka
If not caught early, a zero-length ROM will cause a NULL-pointer access later on in patch_hypercalls when allocating a zero-length ROM copy and trying to read from it. CC: qemu-stable@nongnu.org Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20kvm irqfd: support direct msimessage to irq translationAlexey Kardashevskiy
On PPC64 systems MSI Messages are translated to system IRQ in a PCI host bridge. This is already supported for emulated MSI/MSIX but not for irqfd where the current QEMU allocates IRQ numbers from irqchip and maps MSIMessages to IRQ in the host kernel. This adds a new direct mapping flag which tells the kvm_irqchip_add_msi_route() function that a new VIRQ should not be allocated, instead the value from MSIMessage::data should be used. It is up to the platform code to make sure that this contains a valid IRQ number as sPAPR does in spapr_pci.c. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20fix steal time MSR vmsd callback to proper opaque typeMarcelo Tosatti
Convert steal time MSR vmsd callback pointer to proper X86CPU type. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-20kvm: warn if num cpus is greater than num recommendedAndrew Jones
The comment in kvm_max_vcpus() states that it's using the recommended procedure from the kernel API documentation to get the max number of vcpus that kvm supports. It is, but by always returning the maximum number supported. The maximum number should only be used for development purposes. qemu should check KVM_CAP_NR_VCPUS for the recommended number of vcpus. This patch adds a warning if a user specifies a number of cpus between the recommended and max. Signed-off-by: Andrew Jones <drjones@redhat.com> Acked-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-09-20cpu: Move cpu state syncs up into cpu_dump_state()James Hogan
The x86 and ppc targets call cpu_synchronize_state() from their *_cpu_dump_state() callbacks to ensure that up to date state is dumped when KVM is enabled (for example when a KVM internal error occurs). Move this call up into the generic cpu_dump_state() function so that other KVM targets (namely MIPS) can take advantage of it. This requires kvm_cpu_synchronize_state() and cpu_synchronize_state() to be moved out of the #ifdef NEED_CPU_H in <sysemu/kvm.h> so that they're accessible to qom/cpu.c. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Andreas Färber <afaerber@suse.de> Cc: Alexander Graf <agraf@suse.de> Cc: Gleb Natapov <gleb@redhat.com> Cc: qemu-ppc@nongnu.org Cc: kvm@vger.kernel.org Signed-off-by: Gleb Natapov <gleb@redhat.com>