Rename colo_packet_compare() to colo_packet_compare_common() that
make tcp_compare udp_compare icmp_compare reuse this function.
Remove minimum packet size check in icmp_compare, because we have
check this in parse_packet_early().
Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
While the offset of packets's sequence for primary side and
secondary side is zero, it is unnecessary to call net_checksum_calculate()
to recalculate the checksume value of packets.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
The 'primary_list' and 'secondary_list' members of struct Connection
is not allocated through dynamically g_queue_new(), but we free it by using
g_queue_free(), which will lead to a double-free bug.
Reviewed-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Fairly simple mechanical conversion of all fields.
TODO!!!!
The problem is vmxnet3-ring size/cell_size/next are declared as size_t
but written as 32bit.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
The index's in the Vmxnet3Ring were migrated as 32bit ints
yet are declared as size_t's. They appear to be derived
from 32bit values loaded from guest memory, so actually
store them as that.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
We use g_queue_init() to init s->conn_list, so we should use g_queue_clear()
to instead of g_queue_free().
Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
We will catch the bellow error report while try to delete compare object
by qmp command:
chardev/char-io.c:91: io_watch_poll_finalize: Assertion `iwp->src == ((void *)0)' failed.
This is caused by failing to remove the right fd been watched while
call qemu_chr_fe_set_handlers();
Fix it by pass the worker_context parameter to qemu_chr_fe_set_handlers().
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
We can call qemu_chr_fe_set_handlers() to add/remove fd been watched
in 'context' which can be either default main context or other explicit
context. But the original logic is not correct, we didn't remove
the right fd because we call g_main_context_find_source_by_id(NULL, tag)
which always try to find the Gsource from default context.
Fix it by passing the right context to g_main_context_find_source_by_id().
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
We should call g_main_loop_quit() to notify colo compare thread to
exit, Or it will run in g_main_loop_run() forever.
Besides, the finalizing process can't happen in context of colo thread,
it is reasonable to remove the 'if (qemu_thread_is_self(&s->thread))'
branch.
Before compare thead exits, some cleanup works need to be
done, All unhandled packets need to be released and connection_track_table
needs to be freed, or there will be memory leak.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Instead of using qemu timer to process the stale packets,
We re-use the colo compare thread to process these packets
by creating a new timeout coroutine.
Besides, since we process all the same vNIC's net connection/packets
in one thread, it is safe to remove the timer_check_lock.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This is a refactoring commit that does not change behavior.
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
In case of VLAN stripping ETH header is stored in a
separate chunk and length of IOV should take this into
account.
This patch fixes checksum validation for RX packets
with VLAN header.
Devices affected by this problem: e1000e and vmxnet3.
Cc: qemu-stable@nongnu.org
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
In case of VLAN stripping, ETH header put into a
separate buffer, therefore amont of data copied
from original IOV should be smaller.
Cc: qemu-stable@nongnu.org
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This patch fixed a problem that was introduced in commit eb700029.
When net_rx_pkt_attach_iovec() calls eth_strip_vlan()
this can result in pkt->ehdr_buf being overflowed, because
ehdr_buf is only sizeof(struct eth_header) bytes large
but eth_strip_vlan() can write
sizeof(struct eth_header) + sizeof(struct vlan_header)
bytes into it.
Devices affected by this problem: vmxnet3.
Cc: qemu-stable@nongnu.org
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Make VLAN stripping functions return number of bytes
copied to given Ethernet header buffer.
This information should be used to re-compose
packet IOV after VLAN stripping.
Cc: qemu-stable@nongnu.org
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This has been pointless since commit 605d52e62, which was a
search-and-replace, overlooked the redundancy.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This will probably be my last pull request before the hard freeze. It
has some new work, but that has all been posted in draft before the
soft freeze, so I think it's reasonable to include in qemu-2.9.
This batch has:
* A substantial amount of POWER9 work
* Implements the legacy (hash) MMU for POWER9
* Some more preliminaries for implementing the POWER9 radix
MMU
* POWER9 has_work
* Basic POWER9 compatibility mode handling
* Removal of some premature tests
* Some cleanups and fixes to the existing MMU code to make the
POWER9 work simpler
* A bugfix for TCG multiply adds on power
* Allow pseries guests to access PCIe extended config space
This also includes a code-motion not strictly in ppc code - moving
getrampagesize() from ppc code to exec.c. This will make some future
VFIO improvements easier, Paolo said it was ok to merge via my tree.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.9-20170303' into staging
ppc patch queuye for 2017-03-03
This will probably be my last pull request before the hard freeze. It
has some new work, but that has all been posted in draft before the
soft freeze, so I think it's reasonable to include in qemu-2.9.
This batch has:
* A substantial amount of POWER9 work
* Implements the legacy (hash) MMU for POWER9
* Some more preliminaries for implementing the POWER9 radix
MMU
* POWER9 has_work
* Basic POWER9 compatibility mode handling
* Removal of some premature tests
* Some cleanups and fixes to the existing MMU code to make the
POWER9 work simpler
* A bugfix for TCG multiply adds on power
* Allow pseries guests to access PCIe extended config space
This also includes a code-motion not strictly in ppc code - moving
getrampagesize() from ppc code to exec.c. This will make some future
VFIO improvements easier, Paolo said it was ok to merge via my tree.
# gpg: Signature made Fri 03 Mar 2017 03:20:36 GMT
# gpg: using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-2.9-20170303:
target/ppc: rewrite f[n]m[add,sub] using float64_muladd
spapr: Small cleanup of PPC MMU enums
spapr_pci: Advertise access to PCIe extended config space
target/ppc: Rework hash mmu page fault code and add defines for clarity
target/ppc: Move no-execute and guarded page checking into new function
target/ppc: Add execute permission checking to access authority check
target/ppc: Add Instruction Authority Mask Register Check
hw/ppc/spapr: Add POWER9 to pseries cpu models
target/ppc/POWER9: Add cpu_has_work function for POWER9
target/ppc/POWER9: Add POWER9 pa-features definition
target/ppc/POWER9: Add POWER9 mmu fault handler
target/ppc: Don't gen an SDR1 on POWER9 and rework register creation
target/ppc: Add patb_entry to sPAPRMachineState
target/ppc/POWER9: Add POWERPC_MMU_V3 bit
powernv: Don't test POWER9 CPU yet
exec, kvm, target-ppc: Move getrampagesize() to common code
target/ppc: Add POWER9/ISAv3.00 to compat_table
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
These cause compilation failures on CentOS 6 or other operating
systems with older GCCs.
Cc: David Gibson <dgibson@redhat.com>
Cc: qemu-ppc@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1488558530-21016-3-git-send-email-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
These cause compilation failures on CentOS 6 or other operating
systems with older GCCs.
Cc: Richard Henderson <rth@twiddle.net>
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
These cause compilation failures on CentOS 6 or other operating
systems with older GCCs.
Cc: Richard Henderson <rth@twiddle.net>
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-id: 1488558530-21016-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Migration from a 2.3.0 qemu results in a reboot on the receiving QEMU
due to a disagreement about SM (System management) interrupts.
2.3.0 didn't have much SMI support, but it did set CPU_INTERRUPT_SMI
and this gets into the migration stream, but on 2.3.0 it
never got delivered.
~2.4.0 SMI interrupt support was added but was broken - so
that when a 2.3.0 stream was received it cleared the CPU_INTERRUPT_SMI
but never actually caused an interrupt.
The SMI delivery was recently fixed by 68c6efe07a, but the
effect now is that an incoming 2.3.0 stream takes the interrupt it
had flagged but it's bios can't actually handle it(I think
partly due to the original interrupt not being taken during boot?).
The consequence is a triple(?) fault and a reboot.
Tested from:
2.3.1 -M 2.3.0
2.7.0 -M 2.3.0
2.8.0 -M 2.3.0
2.8.0 -M 2.8.0
This corresponds to RH bugzilla entry 1420679.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170223133441.16010-1-dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In 'qemu_chr_open_spice_vmc' if the 'psubtype' is NULL, it will
call 'char_spice_finalize'. But as the SpiceChardev is not inserted
in the 'spice_chars' list, the 'QLIST_REMOVE' will cause a segfault.
Add a detect to avoid it.
Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Message-Id: <1487665107-88004-1-git-send-email-liqiang6-s@360.cn>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Li Qiang <liq3ea@gmail.com>
In commit af6bf1328e (May 2011),
ide-hd, ide-cd and scsi-cd have been added to disable default cdrom,
"or else you can't put one on secondary master without -nodefaults".
Make it the same for scsi-hd, so you can put one on scsi-id 2 without
using -nodefaults.
scsi-hd has probably been forgotten, as it has been added in the
preceding commit (b443ae6713).
Affected users are the ones using a machine with SCSI devices and start QEMU
with -device scsi-hd but without -device scsi-cd or -cdrom
In that case, the default cdrom device will disappear instead of being empty.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Message-Id: <1487623279-29930-1-git-send-email-hpoussin@reactos.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
At the moment ram device's memory regions are DEVICE_NATIVE_ENDIAN. It's
incorrect. This memory region is backed by a MMIO area in host, so the
uint64_t data that MemoryRegionOps read from/write to this area should be
host-endian rather than target-endian. Hence, current code does not work
when target and host endianness are different which is the most common case
on PPC64. To fix it, this introduces DEVICE_HOST_ENDIAN for the ram device.
This has been tested on PPC64 BE/LE host/guest in all possible combinations
including TCG.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yongji Xie <xyjxie@linux.vnet.ibm.com>
Message-Id: <1488171164-28319-1-git-send-email-xyjxie@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Eric Blake <eblake@redhat.com>
Message-Id: <1487614915-18710-4-git-send-email-den@openvz.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Eric Blake <eblake@redhat.com>
Message-Id: <1487614915-18710-3-git-send-email-den@openvz.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The purpose of the KVM_SET_SIGNAL_MASK API is to let userspace "kick"
a VCPU out of KVM_RUN through a POSIX signal. A signal is attached
to a dummy signal handler; by blocking the signal outside KVM_RUN and
unblocking it inside, this possible race is closed:
VCPU thread service thread
--------------------------------------------------------------
check flag
set flag
raise signal
(signal handler does nothing)
KVM_RUN
However, one issue with KVM_SET_SIGNAL_MASK is that it has to take
tsk->sighand->siglock on every KVM_RUN. This lock is often on a
remote NUMA node, because it is on the node of a thread's creator.
Taking this lock can be very expensive if there are many userspace
exits (as is the case for SMP Windows VMs without Hyper-V reference
time counter).
KVM_CAP_IMMEDIATE_EXIT provides an alternative, where the flag is
placed directly in kvm_run so that KVM can see it:
VCPU thread service thread
--------------------------------------------------------------
raise signal
signal handler
set run->immediate_exit
KVM_RUN
check run->immediate_exit
The previous patches changed QEMU so that the only blocked signal is
SIG_IPI, so we can now stop using KVM_SET_SIGNAL_MASK and sigtimedwait
if KVM_CAP_IMMEDIATE_EXIT is available.
On a 14-VCPU guest, an "inl" operation goes down from 30k to 6k on
an unlocked (no BQL) MemoryRegion, or from 30k to 15k if the BQL
is involved.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Call kvm_on_sigbus_vcpu asynchronously from the VCPU thread.
Information for the SIGBUS can be stored in thread-local variables
and processed later in kvm_cpu_exec.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Build it on kvm_arch_on_sigbus_vcpu instead. They do the same
for "action optional" SIGBUSes, and the main thread should never get
"action required" SIGBUSes because it blocks the signal.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move the KVM "eat signals" code under CONFIG_LINUX, in preparation
for moving it to kvm-all.c; reraise non-MCE SIGBUS immediately,
without passing it to KVM.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The cast is there because sigbus_handler is invoked via sigfd_handler.
But it feels just wrong to use struct qemu_signalfd_siginfo in the
prototype of a function that is passed to sigaction.
Instead, do a simple-minded conversion of qemu_signalfd_siginfo to
siginfo_t.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Merge the original development branch due to breakage caused by the
MTTCG merge.
Conflicts:
cpu-exec.c
translate-common.c
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This set of patches updates the SLOF and dtc submodules for qemu-2.9.
The SLOF update could have gone in my ppc pull request earlier today,
but I forgot it. It should be safe to apply in either order with that
set though.
The dtc (and libfdt) update brings us up to dtc 1.4.3 which includes
some things that will be useful in future.
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Merge remote-tracking branch 'remotes/dgibson/tags/submodule-update-20170303' into staging
submodule updates (SLOF & dtc) 2017-03-03
This set of patches updates the SLOF and dtc submodules for qemu-2.9.
The SLOF update could have gone in my ppc pull request earlier today,
but I forgot it. It should be safe to apply in either order with that
set though.
The dtc (and libfdt) update brings us up to dtc 1.4.3 which includes
some things that will be useful in future.
# gpg: Signature made Fri 03 Mar 2017 06:29:31 GMT
# gpg: using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/submodule-update-20170303:
Update dtc submodule to v1.4.3
pseries: Update SLOF firmware image
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Rewrite the -numa documentation to clarify what exactly it does.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170123180632.28942-3-ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Commit 077dd74239 inadvertently downgraded the 'dtc' submodule,
undoing the increment added in commit 6e85fce022. Revert this,
returning the submodule state to where we should be.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
virtio support for region caches broke a bunch of stuff - fixing most of
it though it's not ideal. Still pondering the right way to fix it.
New: VM gen ID and hotplug for PXB.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio, pc: fixes, features
virtio support for region caches broke a bunch of stuff - fixing most of
it though it's not ideal. Still pondering the right way to fix it.
New: VM gen ID and hotplug for PXB.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Thu 02 Mar 2017 06:19:17 GMT
# gpg: using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream:
hw/pxb-pcie: fix PCI Express hotplug support
tests/acpi: update DSDT after last patch
acpi: simplify _OSC
virtio: unbreak virtio-pci with IOMMU after caching ring translations
virtio: add missing region cache init in virtio_load()
virtio: invalidate memory in vring_set_avail_event()
virtio: guard vring access when setting notification
virtio: check for vring setup in virtio_queue_empty
MAINTAINERS: Add VM Generation ID entries
tests: Move reusable ACPI code into a utility file
qmp/hmp: add query-vm-generation-id and 'info vm-generation-id' commands
ACPI: Add Virtual Machine Generation ID support
ACPI: Add vmgenid blob storage to the build tables
docs: VM Generation ID device description
linker-loader: Add new 'write pointer' command
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since the last submodule update (which was v1.4.2) dtc and libfdt have
gained some features which would be useful in qemu. There's now a v1.4.3
upstream release, so update our submodule to point to it.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Various fixes in this update, the full list is:
> qemu-bootlist: Take the "-boot strict=off" setting properly into account
> virtio-scsi: initialize vring avail queue buffers
> virtio: Remove global variables in block and 9p driver
> Remove superfluous checkpoints in tree.fs
> Provide "write" function in the disk-label package
> virtio: Implement block write support
> scsi: Add SCSI block write support
> deblocker: Add a 'write' function
> virtio-scsi: Fix descriptor order for SCSI WRITE commands
> board-qemu: Add a possibility to use hvterm input instead of USB keyboard
> Do not try to use virtio-gpu in VGA mode
> virtio: Fix stack comment of virtio-blk-read
> envvar: Do not read default values for /options from the NVRAM anymore
> envvar: Set properties in /options during "(set-defaults)"
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Use the softfloat api for fused multiply-add.
Introduce routine to set the FPSCR flags VXNAN, VXIMZ nad VMISI.
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The PPC MMU types are sometimes treated as if they were a bit field
and sometime as if they were an enum which causes maintenance
problems: flipping bits in the MMU type (which is done on both the 1TB
segment and 64K segment bits) currently produces new MMU type
values that are not handled in every "switch" on it, sometimes causing
an abort().
This patch provides some macros that can be used to filter out the
"bit field-like" bits so that the remainder of the value can be
switched on, like an enum. This allows removal of all of the
"degraded" types from the list and should ease maintenance.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
