| Commit message (Collapse) | Author | Age | Files | Lines |
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We can use this in virtio-net code as well as new Rocker driver code, so
up-level this.
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1426306173-24884-2-git-send-email-sfeldma@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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- build bugfix from Fam and new configure check from Emilio
- two improvements to "info mtere" from Gerd
- KVM support for memory transaction attributes
- one more small step towards unlocked MMIO dispatch
- one piece of the qemu-nbd errno fixes
- trivial-ish patches from Denis and Thomas
# gpg: Signature made Fri May 8 13:47:29 2015 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream:
qemu-nbd: only send a limited number of errno codes on the wire
rules.mak: Force CFLAGS for all objects in DSO
configure: require __thread support
exec: move rcu_read_lock/unlock to address_space_translate callers
kvm: add support for memory transaction attributes
mtree: also print disabled regions
mtree: tag & indent a bit better
apic_common: improve readability of apic_reset_common
kvm: Silence warning from valgrind
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Right now, NBD includes potentially platform-specific error values in
the wire protocol.
Luckily, most common error values are more or less universal: in
particular, of all errno values <= 34 (up to ERANGE), they are all the
same on supported platforms except for 11 (which is EAGAIN on Windows and
Linux, but EDEADLK on Darwin and the *BSDs). So, in order to guarantee
some portability, only keep a handful of possible error codes and squash
everything else to EINVAL.
This patch defines a limited set of errno values that are valid for the
NBD protocol, and specifies recommendations for what error to return
in specific corner cases. The set of errno values is roughly based on
the errors listed in the read(2) and write(2) man pages, with some
exceptions:
- ENOMEM is added for servers that implement copy-on-write or other
formats that require dynamic allocation.
- EDQUOT is not part of the universal set of errors; it can be changed
to ENOSPC on the wire format.
- EFBIG is part of the universal set of errors, but it is also changed
to ENOSPC because it is pretty similar to ENOSPC or EDQUOT.
Incoming values will in general match system errno values, but not
on the Hurd which has different errno values (they have a "subsystem
code" equal to 0x10 in bits 24-31). The Hurd is probably not something
to which QEMU has been ported, but still do the right thing and
reverse-map the NBD errno values to the system errno values.
The corresponding patch to the NBD protocol description can be found at
http://article.gmane.org/gmane.linux.drivers.nbd.general/3154.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Because of the trick of process-archive-undefs, all .mo objects, even
with --enable-modules, are dependencies of executables.
This breaks CFLAGS propogation because the compiling of module object
will happen too early before building for DSO.
With GCC 5, the linking would fail because .o doesn't have -fPIC. Also,
BUILD_DSO will be missed. (module-common.o will have it, so the stamp
symbol was still liked in .so).
Fix the problem by forcing the CFLAGS on individual .o-cflags during
unnest-vars.
Reported-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Fam Zheng <famz@redhat.com>
Cc: qemu-stable@nongnu.org # 2.3
Message-Id: <1430981715-31465-1-git-send-email-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The codebase doesn't build without __thread support.
Formalise this requirement by adding a check for it in the
configure script.
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Once address_space_translate will be called outside the BQL, the returned
MemoryRegion might disappear as soon as the RCU read-side critical section
ends. Avoid this by moving the critical section to the callers.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1426684909-95030-3-git-send-email-pbonzini@redhat.com>
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Let kvm_arch_post_run convert fields in the kvm_run struct to MemTxAttrs.
These are then passed to address_space_rw.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Replace call of cpu_is_bsp(s->cpu) which really returns
!!(s->apicbase & MSR_IA32_APICBASE_BSP)
with directly collected value. Due to this the tracepoint
trace_cpu_get_apic_base((uint64_t)s->apicbase);
will not be hit anymore in apic_reset_common.
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Andreas Färber <afaerber@suse.de>
CC: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1428414832-3104-1-git-send-email-den@openvz.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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valgrind complains here about uninitialized bytes with the following message:
==17814== Syscall param ioctl(generic) points to uninitialised byte(s)
==17814== at 0x466A780: ioctl (in /usr/lib64/power8/libc-2.17.so)
==17814== by 0x100735B7: kvm_vm_ioctl (kvm-all.c:1920)
==17814== by 0x10074583: kvm_set_ioeventfd_mmio (kvm-all.c:574)
Let's fix it by using a proper struct initializer in kvm_set_ioeventfd_mmio().
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1430153944-24368-1-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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staging
gtk: add ui_info support, cleanups + fixes.
# gpg: Signature made Fri May 8 12:47:04 2015 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-gtk-20150508-1:
gtk: update mouse position in mouse_set()
gtk: create gtk.h
gtk: add ui_info support
console: add dpy_ui_info_supported
console: delayed ui_info guest notification
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Without that the next mouse motion event uses the old position
as base for relative move calculation, giving wrong results and
making your mouse pointer jump around.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Move various gtk bits (includes, data structures) to a header file.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Pass new display size to the guest after window resizes.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Allow ui code to check whenever the emulated
display supports display change notifications.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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So we don't flood the guest with display change notifications
while the user resizes the window.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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staging
usb: qomify, bugfixes for xhci & uhci.
# gpg: Signature made Fri May 8 12:39:28 2015 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-usb-20150508-1:
uhci: controller is halted after reset
usb: usb-serial QOMify
usb: usb-redir QOMify
usb: usb-wacom-tablet QOMify
usb: usb-uas QOMify
usb: usb-storage QOMify
usb: usb-ccid QOMify
usb: usb-net QOMify
usb-mtp: fix segmentation fault
usb: usb-mtp QOMify
usb: usb-hub QOMify
usb: usb-hid QOMify
usb: usb-bt QOMify
usb: usb-audio QOMify
uhci: QOMify
xhci: fix events for setup trb.
Revert "xhci: generate a Transfer Event for each Transfer TRB with the IOC bit set"
xhci: set timer to retry xfers
usb: fix usb-net segfault
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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... and the status register should say so.
Fixes "usbus0: controller did not stop" error printed by freebsd.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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When x-root property not be configured, will cause segfault
because of null pointer accessing. Add a check for s->root
property avoid segfault.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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When we find a IOC bit set on a setup trb and therefore queue an event,
that should not stop events being generated for following data trbs.
So clear the 'reported' flag.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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bit set"
This makes xhci generate multiple short packet events in case of
multi-trb transfers. Which is wrong. We need to fix this in a
different way.
This reverts commit aa6857891df614c620e6e9fc4bc4af6e0e49cafd.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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The dev->config pointer isn't set until guest
system initializes usb devices (via
usb_desc_set_config). However qemu networking can
go through some motions prior to that, e.g.:
#0 is_rndis (s=0x555557261970) at hw/usb/dev-network.c:653
#1 0x000055555585f723 in usbnet_can_receive (nc=0x55555641e820) at hw/usb/dev-network.c:1315
#2 0x000055555587635e in qemu_can_send_packet (sender=0x5555572660a0) at net/net.c:470
#3 0x0000555555878e34 in net_hub_port_can_receive (nc=0x5555562d7800) at net/hub.c:101
#4 0x000055555587635e in qemu_can_send_packet (sender=0x5555562d7980) at net/net.c:470
#5 0x000055555587dbca in tap_can_send (opaque=0x5555562d7980) at net/tap.c:172
The command to reproduce most reliably was:
qemu-system-i386 -usb -device usb-net,vlan=0 -net tap,vlan=0
This wasn't strictly a problem with tap. Other
networking endpoints (vde, user) could trigger
this problem as well.
Fixes: https://bugs.launchpad.net/qemu/+bug/1050823
Cc: qemu-stable@nongnu.org
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Assorted s390x patches:
- updates for virtio-ccw and s390-virtio, making them more similar
to virtio-pci
- improvements regarding per-vcpu interrupts and migration
# gpg: Signature made Fri May 8 09:45:09 2015 BST using RSA key ID C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
* remotes/cohuck/tags/s390x-20150508:
s390x/kvm: migrate vcpu interrupt state
s390x: move fpu regs into a subsection of the vmstate
s390x/kvm: use ioctl KVM_S390_IRQ for vcpu interrupts
virtio-ccw: implement ->device_plugged
virtio-ccw: change realization sequence
s390-virtio: clear {used,avail}_event_idx on reset as well
s390-virtio: use common features
s390-virtio: Accommodate guests using virtqueues too early
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This patch adds support to migrate vcpu interrupts.
We use ioctl KVM_S390_GET_IRQ_STATE and _SET_IRQ_STATE
to get/set the complete interrupt state for a vcpu.
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Let's move the floating point registers into a seperate subsection and
bump up the version id. This cleans up the current vmstate and will
allow for a future extension with vector registers in a compatible way.
This patch is based on a patch from Eric Farman.
Reviewed-by: Eric Farman <farman@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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KVM_S390_INT uses only two parameter fields. This is not
enough to pass all required information for certain interrupts.
A new ioctl KVM_S390_IRQ is available which allows us to
inject all local interrupts as defined in the Principles of
Operation. It takes a struct kvm_s390_irq as a parameter
which can store interrupt payload data for all interrupts.
Let's use the new ioctl for injecting vcpu interrupts.
Tested-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Let's move operations that are only valid after the backend has been
realized to a ->device_plugged callback, just as virtio-pci does.
Also reorder setting up the host feature bits to the sequence used
by virtio-pci.
While we're at it, also add a ->device_unplugged callback to stop
ioeventfd, just to be on the safe side.
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-Id: <1429627016-30656-3-git-send-email-cornelia.huck@de.ibm.com>
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virtio-ccw has an odd sequence of realizing devices: first the
device-specific relization (net, block, ...), then the generic
realization. It feels less odd to have the generic realization
callback trigger the device-specific realization instead (and this
also matches what virtio-pci does).
One thing to note: We need to defer initializing the cu model in the
sense id data until after the device-specific realization has been
performed, as we need to refer to the virtio device's device_id.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-Id: <1429627016-30656-2-git-send-email-cornelia.huck@de.ibm.com>
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The old s390-virtio transport clears the vring used/avail indices in
the shared area on reset. When we enabled event_idx for virtio-blk, we
noticed that this is not enough: We also need to clear the published
used/avail event indices, or reboot will fail.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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We used to avoid enabling event_idx for virtio-blk devices via
s390-virtio, but we now have a workaround in place for guests trying
to use the device before setting DRIVER_OK. Therefore, let's add
DEFINE_VIRTIO_COMMON_FEATURES to the base device so all devices get
those common features - and make s390-virtio use the same mechanism
as the other transports do.
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Feature updates are not a synchronuous operation for the legacy
s390-virtio transport. This transport syncs the guest feature bits
(those from finalize) on the set_status hypercall. Before that qemu
thinks that features are zero, which means QEMU will misbehave, e.g.
it will not write the event index, even if the guest asks for it.
Let's detect the case where a kick happens before the driver is ready
and force sync the features.
With this workaround, it is now safe to switch to the common feature
bit handling code as used by all other transports.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
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'remotes/juanquintela/tags/migration/20150507-1' into staging
migration/next for 20150507
# gpg: Signature made Thu May 7 17:42:19 2015 BST using RSA key ID 5872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg: aka "Juan Quintela <quintela@trasno.org>"
* remotes/juanquintela/tags/migration/20150507-1:
migration: Fix migration state update issue
migration: avoid divide by zero in xbzrle cache miss rate
migration: Add hmp interface to set and query parameters
migration: Add qmp commands to set and query parameters
migration: Use an array instead of 3 parameters
migration: Add interface to control compression
migration: Add the core code for decompression
migration: Make compression co-work with xbzrle
migration: Add the core code of multi-thread compression
migration: Split save_zero_page from ram_save_page
arch_init: Add and free data struct for decompression
arch_init: Alloc and free data struct for compression
qemu-file: Add compression functions to QEMUFile
migration: Add the framework of multi-thread decompression
migration: Add the framework of multi-thread compression
docs: Add a doc about multiple thread compression
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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If live migration is very fast and can be completed in 1 second,
the dirty_sync_count of MigrationState will not be updated.
Then you will see "dirty sync count: 0" in qemu monitor even if
the actual dirty sync count is not 0.
Signed-off-by: Liang Li <liang.z.li@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr.David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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This bug manifested itself as a VM that could not be resumed by libvirt
following a migration:
# virsh resume example
error: Failed to resume domain example
error: internal error: cannot parse json {"return":
{"xbzrle-cache":
{..., "cache-miss-rate": -nan, ...},
...
}
}: lexical error: malformed number, a digit is required after the minus sign.
This patch also ensures xbzrle_cache_miss_prev and iterations_prev are
cleared at the start of the migration.
Signed-off-by: Michael Chapman <mike@very.puzzling.org>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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