This patch introduces the argument [,obsolete=allow] to the `-sandbox on'
option. It allows Qemu to run safely on old system that still relies on
old system calls.
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
This patch changes the default behavior of the seccomp filter from
whitelist to blacklist. By default now all system calls are allowed and
a small black list of definitely forbidden ones was created.
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
Add 'info memory_size_summary' command which is a sibling
of QMP command query-memory-size-summary. It provides the
following memory information in bytes:
* base-memory - size of "base" memory specified with command line option -m.
* plugged-memory - amount of memory that was hot-plugged.
If target does not have CONFIG_MEM_HOTPLUG enabled, no
value is reported.
Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Signed-off-by: Mohammed Gamal <mohammed.gamal@profitbricks.com>
Signed-off-by: Eduardo Otubo <eduardo.otubo@profitbricks.com>
Signed-off-by: Vadim Galitsyn <vadim.galitsyn@profitbricks.com>
Reviewed-by: Eugene Crosser <evgenii.cherkashin@profitbricks.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: qemu-devel@nongnu.org
Message-Id: <20170829153022.27004-4-vadim.galitsyn@profitbricks.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Fixed up comments from Igor's review
Add a new query-memory-size-summary command which provides the
following memory information in bytes:
* base-memory - size of "base" memory specified with command line option -m.
* plugged-memory - amount of memory that was hot-plugged.
If target does not have CONFIG_MEM_HOTPLUG enabled, no
value is reported.
Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Signed-off-by: Mohammed Gamal <mohammed.gamal@profitbricks.com>
Signed-off-by: Eduardo Otubo <eduardo.otubo@profitbricks.com>
Signed-off-by: Vadim Galitsyn <vadim.galitsyn@profitbricks.com>
Reviewed-by: Eugene Crosser <evgenii.cherkashin@profitbricks.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: qemu-devel@nongnu.org
Message-Id: <20170829153022.27004-3-vadim.galitsyn@profitbricks.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Fixup comments as per Igor's review
Added 'of' from Vadim's reply
Report amount of hotplugged memory in addition to total
amount per NUMA node.
Signed-off-by: Vadim Galitsyn <vadim.galitsyn@profitbricks.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: qemu-devel@nongnu.org
Message-Id: <20170829153022.27004-2-vadim.galitsyn@profitbricks.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
and add a test case of dump-guest-memory without
"[begin length]" parameters.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20170913142036.2469-5-lvivier@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
It does not really make sense to dump memory that is not there.
Moreover, that fixes a segmentation fault when calling dump-guest-memory
with no filter for a machine with no memory defined.
New behaviour is:
(qemu) dump-guest-memory /dev/null
dump: no guest memory to dump
(qemu) dump-guest-memory /dev/null 0 4096
dump: no guest memory to dump
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20170913142036.2469-4-lvivier@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Running QEMU with
qemu-system-aarch64 -M none -nographic -m 256
and executing
dump-guest-memory /dev/null 0 8192
results in segfault
Fix by checking if we have CPU, and exit with
error if there is no CPU:
(qemu) dump-guest-memory /dev/null
this feature or command is not currently supported
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <20170913142036.2469-3-lvivier@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Running QEMU with
qemu-system-ppc64 -M none -nographic -m 256
and executing
dump-guest-memory /dev/null 0 8192
results in segfault
Fix by checking if we have CPU, and exit with
error if there is no CPU:
(qemu) dump-guest-memory /dev/null
this feature or command is not currently supported
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20170913142036.2469-2-lvivier@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Older compilers (rhel6) don't like redefinition of typedefs
Fixes: 12a6c15ef3
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170914123609.497-1-dgilbert@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Nowdays we use libusb for usb-host, so we don't have different code
for linux vs. bsd any more. So there is little reason to have the
HOST_USB variable, we can just write things directly into the Makefile
and avoid a pointless indirection.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20170908111217.21985-2-kraxel@redhat.com
The existing XHCI code reads the Event Ring Segment Table Base Address
Register (ERSTBA) every time when it is changed. However zero is its
default state so one would think that zero there means it is not in use.
This adds a check for ERSTBA in addition to the existing check for
the Event Ring Segment Table Size Register (ERSTSZ).
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-id: 20170911065606.40600-1-aik@ozlabs.ru
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Some termcaps (found using SLES11SP1) use [? sequences. According to man
console_codes (http://linux.die.net/man/4/console_codes) the question mark
is a nop and should simply be ignored.
This patch does exactly that, rendering screen output readable when
outputting guest serial consoles to the graphical console emulator.
Signed-off-by: Alexander Graf <agraf@suse.de>
Message-id: 20170829113818.42482-1-agraf@suse.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
virtio-gpu can trigger the assert added by commit "6905b93447 console:
add same surface replace pre-condition" in multihead setups (where
surface can be NULL for secondary displays). Allow surface being NULL.
Fixes: 6905b93447
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170906142109.2685-1-kraxel@redhat.com
Remove pixman switches from configure, should not be needed any more,
configure can figure by itself whenever pixman is needed or not.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170905140116.28181-3-kraxel@redhat.com
Drop pixman submodule and support for the "internal" pixman build.
pixman should be reasonably well established meanwhile so we don't
need the fallback submodule any more. While being at it also drop
some #ifdefs for pixman versions older than what we require in
configure anyway.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170905140116.28181-2-kraxel@redhat.com
Don't reset window layout information (passed via virtio_gpu_ui_info) on
device reset, so the user interface window layout will be kept intact
over reboots. The head size and position was commented out already, so
this patch just drops the dead code. Additionally the enabled head mask
must be kept so multihead setups work properly too.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1460595
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170906142058.2460-1-kraxel@redhat.com
changed in 659ef5cbb8, this fixes building with --enable-tcg-interpreter:
/home/travis/build/qemu/qemu/tcg/tcg.c:116:14: error: ‘tcg_out_ldst_finalize’ used but never defined [-Werror]
static bool tcg_out_ldst_finalize(TCGContext *s);
^
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20170911022839.23231-1-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
GCC 4.7.2 on SunOS reports that the values assigned to array members are not
real constants:
target/m68k/fpu_helper.c:32:5: error: initializer element is not constant
target/m68k/fpu_helper.c:32:5: error: (near initialization for 'fpu_rom[0]')
rules.mak:66: recipe for target 'target/m68k/fpu_helper.o' failed
Convert the array to make_floatx80_init() to fix it.
Replace floatx80_pi-like constants with make_floatx80_init() as they are
defined as make_floatx80().
This fixes build on SmartOS (Joyent).
Signed-off-by: Kamil Rytarowski <n54@gmx.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170904212306.3020-1-n54@gmx.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
A bunch of stuff that was posted before the 2.10 timeframe,
mostly fixes/cleanups. New PCI bridges.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc, pci, virtio: patches queued before 2.10
A bunch of stuff that was posted before the 2.10 timeframe,
mostly fixes/cleanups. New PCI bridges.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 08 Sep 2017 14:15:34 BST
# 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:
fw_cfg: rename read callback
pci: add reserved slot check to do_pci_register_device()
pci: move check for existing devfn into new pci_bus_devfn_available() helper
vmgenid: replace x-write-pointer-available hack
vhost-user-bridge: fix resume regression (since 2.9)
libvhost-user: support resuming vq->last_avail_idx based on used_idx
acpi/vmgenid: change device category to misc
intel_iommu: fix missing BQL in pt fast path
docs: update documentation considering PCIE-PCI bridge
hw/pci: add QEMU-specific PCI capability to the Generic PCI Express Root Port
hw/pci: introduce bridge-only vendor-specific capability to provide some hints to firmware
hw/pci: introduce pcie-pci-bridge device
Revert "ACPI: don't call acpi_pcihp_device_plug_cb on xen"
hw/acpi: Move acpi_set_pci_info to pcihp
hw/acpi: Limit hotplug to root bus on legacy mode
pc: add 2.11 machine types
vhost: Release memory references on cleanup
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is the first batch of ppc related patches for qemu-2.11, and it's
accumulated quite a few things. Includes:
* A cleanup to handling of ppc cpu models from Igor
* First parts of fixes to handling of guest vs. host SMT modes from
Sam Bobroff
* Preliminary patches towards supporting the Sam460 board from
Balaton Zoltan
* Several fixes for hotplug logic
* Assorted other fixes and cleanups
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.11-20170908' into staging
ppc patch queue 2017-09-08
This is the first batch of ppc related patches for qemu-2.11, and it's
accumulated quite a few things. Includes:
* A cleanup to handling of ppc cpu models from Igor
* First parts of fixes to handling of guest vs. host SMT modes from
Sam Bobroff
* Preliminary patches towards supporting the Sam460 board from
Balaton Zoltan
* Several fixes for hotplug logic
* Assorted other fixes and cleanups
# gpg: Signature made Fri 08 Sep 2017 06:28:42 BST
# 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-2.11-20170908: (40 commits)
ppc: spapr: Move VCPU ID calculation into sPAPR
ppc: remove non implemented cpu models
ppc: drop caching ObjectClass from PowerPCCPUAlias
ppc: simplify cpu model lookup by PVR
ppc: replace inter-function cyclic dependency/recurssion with 2 simple lookups
ppc: make cpu alias point only to real cpu models
ppc: make cpu_model translation to type consistent
ppc: use macros to make cpu type name from string literal
target/ppc: Remove old STATUS file
PPC: KVM: Support machine option to set VSMT mode
spapr: fallback to raw mode if best compat mode cannot be set during CAS
hw/nvram/spapr_nvram: Device can not be created by the users
hw/ppc/spapr_cpu_core: Add a proper check for spapr machine
ppc4xx: Export ECB and PLB emulation
ppc4xx_i2c: Move to hw/i2c
ppc4xx_i2c: QOMify
ppc4xx: Split off 4xx I2C emulation from ppc405_uc to its own file
ppc4xx: Make MAL emulation more generic
ppc4xx: Move MAL from ppc405_uc to ppc4xx_devs
spapr_iommu: Realloc guest visible TCE table when hot(un)plugging vfio-pci
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The callback is called on select.
Furthermore, the next patch introduced a new callback, so rename the
function type with a generic name.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add a new slot_reserved_mask bitmask to PCIBus indicating whether or not each
PCI slot on the bus is reserved. Ensure that it is initialised to zero to
maintain the existing behaviour that all slots are available by default, and
add the additional check with appropriate error reporting to
do_pci_register_device().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Also touch up the logic in do_pci_register_device() accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This compat property sole function is to prevent the device from being
instantiated. Instead of requiring an extra compat property, check if
fw_cfg has DMA enabled.
fw_cfg is a built-in device that is initialized very early by the
machine init code. We have at least one other device that also
assumes fw_cfg_find() can be safely used on realize: pvpanic.
This has the additional benefit of handling other cases properly, like:
$ qemu-system-x86_64 -device vmgenid -machine none
qemu-system-x86_64: -device vmgenid: vmgenid requires DMA write support in fw_cfg, which this machine type does not provide
$ qemu-system-x86_64 -device vmgenid -machine pc-i440fx-2.9 -global fw_cfg.dma_enabled=off
qemu-system-x86_64: -device vmgenid: vmgenid requires DMA write support in fw_cfg, which this machine type does not provide
$ qemu-system-x86_64 -device vmgenid -machine pc-i440fx-2.6 -global fw_cfg.dma_enabled=on
[boots normally]
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Ben Warren <ben@skyportsystems.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Commit e10e798c85 switched to libvhost-user which lacked support
for resuming the avail_idx based on used_idx.
Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=1485867
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This is the same workaround as commit 523b018dde, which was lost
with libvhost-user transition in commit e10e798c85.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Moved vmgenid from uncategorized to misc category in QEMU help menu
Signed-off-by: Yoni Bettan <ybettan@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In vtd_switch_address_space() we did the memory region switch, however
it's possible that the caller of it has not taken the BQL at all. Make
sure we have it.
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Jason Wang <jasowang@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
To enable hotplugging of a newly created pcie-pci-bridge,
we need to tell firmware (e.g. SeaBIOS) to reserve
additional buses or IO/MEM/PREF space for pcie-root-port.
Additional bus reservation allows us to hotplug pcie-pci-bridge into this root port.
The number of buses and IO/MEM/PREF space to reserve are provided to the device via
a corresponding property, and to the firmware via new PCI capability.
The properties' default values are -1 to keep default behavior unchanged.
Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
On PCI init PCI bridges may need some extra info about bus number,
IO, memory and prefetchable memory to reserve. QEMU can provide this
with a special vendor-specific PCI capability.
Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Introduce a new PCIExpress-to-PCI Bridge device,
which is a hot-pluggable PCI Express device and
supports devices hot-plug with SHPC.
This device is intended to replace the DMI-to-PCI Bridge.
Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This reverts commit 153eba4726.
This patch prevents PCI passthrough hotplug on Xen. Even if the Xen tool
stack prepares its own ACPI tables, we still rely on QEMU for hotplug
ACPI notifications.
The original issue is fixed by the two previous patch:
hw/acpi: Limit hotplug to root bus on legacy mode
hw/acpi: Move acpi_set_pci_info to pcihp
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
HW part of ACPI PCI hotplug in QEMU depends on ACPI_PCIHP_PROP_BSEL
being set on a PCI bus that supports ACPI hotplug. It should work
regardless of the source of ACPI tables (QEMU generator/legacy SeaBIOS/Xen).
So move ACPI_PCIHP_PROP_BSEL initialization into HW ACPI implementation
part from QEMU's ACPI table generator.
To do PCI passthrough with Xen, the property ACPI_PCIHP_PROP_BSEL needs
to be set, but this was done only when ACPI tables are built which is
not needed for a Xen guest. The need for the property starts with commit
"pc: pcihp: avoid adding ACPI_PCIHP_PROP_BSEL twice"
(f0c9d64a68).
Adding find_i440fx into stubs so that mips-softmmu target can be built.
Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
vhost registers a MemoryListener where it adds and removes references
to MemoryRegions as the MemoryRegionSections pass through. The
region_add callback is invoked for each existing section when the
MemoryListener is registered, but unregistering the MemoryListener
performs no reciprocal region_del callback. It's therefore the
owner of the MemoryListener's responsibility to cleanup any persistent
changes, such as these memory references, after unregistering.
The consequence of this bug is that if we have both a vhost device
and a vfio device, the vhost device will reference any mmap'd MMIO of
the vfio device via this MemoryListener. If the vhost device is then
removed, those references remain outstanding. If we then attempt to
remove the vfio device, it never gets finalized and the only way to
release the kernel file descriptors is to terminate the QEMU process.
Fixes: dfde4e6e1a ("memory: add ref/unref calls")
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org # v1.6.0+
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Version: GnuPG v1
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging
# gpg: Signature made Fri 08 Sep 2017 03:00:34 BST
# gpg: using RSA key 0xEF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@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: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* remotes/jasowang/tags/net-pull-request:
colo-compare: Update the COLO document to add the IOThread configuration
colo-compare: Use IOThread to Check old packet regularly and Process pactkets of the primary
qemu-iothread: IOThread supports the GMainContext event loop
net/colo-compare.c: Fix comments and scheme
net/colo-compare.c: Adjust net queue pop order for performance
net/colo-compare.c: Optimize unpredictable tcp options comparison
e1000: Rename the SEC symbol to SEQEC
net/socket: Improve -net socket error reporting
net/net: Convert parse_host_port() to Error
net/socket: Convert several helper functions to Error
net/socket: Don't treat odd socket type as SOCK_STREAM
MAINTAINERS: Update mail address for COLO Proxy
net: rtl8139: do not use old_mmio accesses
net/rocker: Fix the unusual macro name
net/rocker: Convert to realize()
net/rocker: Plug memory leak in pci_rocker_init()
net/rocker: Remove the dead error handling
net/filter-rewriter.c: Fix rewirter checksum bug when use virtio-net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20170907' into staging
TCG constant pools
# gpg: Signature made Thu 07 Sep 2017 23:35:45 BST
# gpg: using RSA key 0x64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# 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: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* remotes/rth/tags/pull-tcg-20170907: (23 commits)
tcg/ppc: Use constant pool for movi
tcg/ppc: Look for shifted constants
tcg/ppc: Change TCG_REG_RA to TCG_REG_TB
tcg/arm: Use constant pool for call
tcg/arm: Use constant pool for movi
tcg/arm: Extract INSN_NOP
tcg/arm: Code rearrangement
tcg/arm: Tighten tlb indexing offset test
tcg/arm: Improve tlb load for armv7
tcg/sparc: Use constant pool for movi
tcg/sparc: Introduce TCG_REG_TB
tcg/aarch64: Use constant pool for movi
tcg/s390: Use constant pool for cmpi
tcg/s390: Use constant pool for xori
tcg/s390: Use constant pool for ori
tcg/s390: Use constant pool for andi
tcg/s390: Use constant pool for movi
tcg/s390: Fix sign of patch_reloc addend
tcg/s390: Introduce TCG_REG_TB
tcg/i386: Store out-of-range call targets in constant pool
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/rth/tags/pull-pa-20170907' into staging
Conversion to TranslatorOps
# gpg: Signature made Thu 07 Sep 2017 19:42:48 BST
# gpg: using RSA key 0x64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# 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: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* remotes/rth/tags/pull-pa-20170907:
target/hppa: Convert to TranslatorOps
target/hppa: Convert to DisasContextBase
target/hppa: Convert to DisasJumpType
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
