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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Block layer patches
- Fix deadlock in graph modification with iothreads
- mirror: Fix non-converging cases for active mirror
- qapi: Fix BlockdevOptionsNvmeIoUring @path description
- blkio: Set BlockDriver::has_variable_length to false
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# gpg: Signature made Mon 14 Nov 2022 06:02:55 EST
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
tests/stream-under-throttle: New test
block: Start/end drain on correct AioContext
block-backend: Update ctx immediately after root
block: Make bdrv_child_get_parent_aio_context I/O
block/blkio: Set BlockDriver::has_variable_length to false
qapi/block-core: Fix BlockdevOptionsNvmeIoUring @path description
iotests/151: Test active requests on mirror start
iotests/151: Test that active mirror progresses
block/mirror: Fix NULL s->job in active writes
block/mirror: Drop mirror_wait_for_any_operation()
block/mirror: Do not wait for active writes
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Those typos are in files which are used to generate the QEMU manual.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20221110190825.879620-1-sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
[thuth: update sentence in can.rst as suggested by Peter]
Signed-off-by: Thomas Huth <thuth@redhat.com>
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If configuring with "--disable-system --disable-user --enable-guest-agent"
the linking currently fails with:
qga/qemu-ga.p/commands.c.o: In function `qmp_command_info':
build/../../home/thuth/devel/qemu/qga/commands.c:70: undefined reference to `qmp_command_name'
build/../../home/thuth/devel/qemu/qga/commands.c:71: undefined reference to `qmp_command_is_enabled'
build/../../home/thuth/devel/qemu/qga/commands.c:72: undefined reference to `qmp_has_success_response'
qga/qemu-ga.p/commands.c.o: In function `qmp_guest_info':
build/../../home/thuth/devel/qemu/qga/commands.c:82: undefined reference to `qmp_for_each_command'
qga/qemu-ga.p/commands.c.o: In function `qmp_guest_exec':
build/../../home/thuth/devel/qemu/qga/commands.c:410: undefined reference to `qbase64_decode'
qga/qemu-ga.p/channel-posix.c.o: In function `ga_channel_open':
build/../../home/thuth/devel/qemu/qga/channel-posix.c:214: undefined reference to `unix_listen'
build/../../home/thuth/devel/qemu/qga/channel-posix.c:228: undefined reference to `socket_parse'
build/../../home/thuth/devel/qemu/qga/channel-posix.c:234: undefined reference to `socket_listen'
qga/qemu-ga.p/commands-posix.c.o: In function `qmp_guest_file_write':
build/../../home/thuth/devel/qemu/qga/commands-posix.c:527: undefined reference to `qbase64_decode'
Let's make sure that we also compile and link the required files if
the system emulators have not been enabled.
Message-Id: <20221110083626.31899-1-thuth@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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The nvme-io_uring BlockDriver's path option must point at the character
device of an NVMe namespace, not at an image file.
Fixes: fd66dbd424f5 ("blkio: add libblkio block driver")
Suggested-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Alberto Faria <afaria@redhat.com>
Message-Id: <20221108142347.1322674-1-afaria@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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into staging
pci,pc,virtio: features, tests, fixes, cleanups
lots of acpi rework
first version of biosbits infrastructure
ASID support in vhost-vdpa
core_count2 support in smbios
PCIe DOE emulation
virtio vq reset
HMAT support
part of infrastructure for viommu support in vhost-vdpa
VTD PASID support
fixes, tests all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: Signature made Mon 07 Nov 2022 14:27:53 EST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# 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
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (83 commits)
checkpatch: better pattern for inline comments
hw/virtio: introduce virtio_device_should_start
tests/acpi: update tables for new core count test
bios-tables-test: add test for number of cores > 255
tests/acpi: allow changes for core_count2 test
bios-tables-test: teach test to use smbios 3.0 tables
hw/smbios: add core_count2 to smbios table type 4
vhost-user: Support vhost_dev_start
vhost: Change the sequence of device start
intel-iommu: PASID support
intel-iommu: convert VTD_PE_GET_FPD_ERR() to be a function
intel-iommu: drop VTDBus
intel-iommu: don't warn guest errors when getting rid2pasid entry
vfio: move implement of vfio_get_xlat_addr() to memory.c
tests: virt: Update expected *.acpihmatvirt tables
tests: acpi: aarch64/virt: add a test for hmat nodes with no initiators
hw/arm/virt: Enable HMAT on arm virt machine
tests: Add HMAT AArch64/virt empty table files
tests: acpi: q35: update expected blobs *.hmat-noinitiators expected HMAT:
tests: acpi: q35: add test for hmat nodes without initiators
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Most of them were found and fixed using codespell.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221030105944.311940-1-sw@weilnetz.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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The items of qapi/virtio.json are introduced at a5ebce38576. They will be
in the version 7.2 not 7.1.
Signed-off-by: Han Han <hhan@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20221101014647.3000801-1-hhan@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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cryptodev: Added a new type of backend named lkcf-backend for
cryptodev. This backend upload asymmetric keys to linux kernel,
and let kernel do the accelerations if possible.
The lkcf stands for Linux Kernel Cryptography Framework.
Signed-off-by: lei he <helei.sig11@bytedance.com>
Message-Id: <20221008085030.70212-5-helei.sig11@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The nvme-io_uring driver expects a character special file such as
/dev/ng0n1. Follow the convention of having a "filename" option when a
regular file is expected, and a "path" option otherwise.
This makes io_uring the only libblkio-based driver with a "filename"
option, as it accepts a regular file (even though it can also take a
block special file).
Signed-off-by: Alberto Faria <afaria@redhat.com>
Message-id: 20221028233854.839933-1-afaria@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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libblkio 1.1.0 [1] introduces a virtio-blk-vfio-pci driver, which
accesses a virtio-blk PCI device using VFIO. Add a corresponding
BlockDriver.
[1] https://gitlab.com/libblkio/libblkio/-/tree/v1.1.0
Signed-off-by: Alberto Faria <afaria@redhat.com>
Message-id: 20221028131635.710267-1-afaria@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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staging
Hi,
"Host Memory Backends" and "Memory devices" queue ("mem"):
- Fix NVDIMM error message
- Add ThreadContext user-creatable object and wire it up for NUMA-aware
hostmem preallocation
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# gpg: Signature made Fri 28 Oct 2022 05:44:16 EDT
# gpg: using RSA key 1BD9CAAD735C4C3A460DFCCA4DDE10F700FF835A
# gpg: issuer "david@redhat.com"
# gpg: Good signature from "David Hildenbrand <david@redhat.com>" [unknown]
# gpg: aka "David Hildenbrand <davidhildenbrand@gmail.com>" [full]
# gpg: aka "David Hildenbrand <hildenbr@in.tum.de>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 1BD9 CAAD 735C 4C3A 460D FCCA 4DDE 10F7 00FF 835A
* tag 'mem-2022-10-28' of https://github.com/davidhildenbrand/qemu:
vl: Allow ThreadContext objects to be created before the sandbox option
hostmem: Allow for specifying a ThreadContext for preallocation
util: Make qemu_prealloc_mem() optionally consume a ThreadContext
util: Add write-only "node-affinity" property for ThreadContext
util: Introduce ThreadContext user-creatable object
util: Introduce qemu_thread_set_affinity() and qemu_thread_get_affinity()
util: Cleanup and rename os_mem_prealloc()
hw/mem/nvdimm: fix error message for 'unarmed' flag
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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# gpg: Signature made Fri 28 Oct 2022 01:29:25 EDT
# gpg: using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [full]
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* tag 'net-pull-request' of https://github.com/jasowang/qemu: (26 commits)
net: stream: add QAPI events to report connection state
net: stream: move to QIO to enable additional parameters
qemu-sockets: update socket_uri() and socket_parse() to be consistent
qemu-sockets: move and rename SocketAddress_to_str()
net: dgram: add unix socket
net: dgram: move mcast specific code from net_socket_fd_init_dgram()
net: dgram: make dgram_dst generic
net: stream: add unix socket
net: stream: Don't ignore EINVAL on netdev socket connection
net: socket: Don't ignore EINVAL on netdev socket connection
qapi: net: add stream and dgram netdevs
net: introduce qemu_set_info_str() function
qapi: net: introduce a way to bypass qemu_opts_parse_noisily()
net: simplify net_client_parse() error management
net: remove the @errp argument of net_client_inits()
net: introduce convert_host_port()
vhost: Accept event idx flag
vhost: use avail event idx on vhost_svq_kick
vhost: toggle device callbacks using used event idx
vhost: allocate event_idx fields on vring
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Pull request
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# gpg: Signature made Wed 26 Oct 2022 14:58:38 EDT
# gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [ultimate]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [ultimate]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
virtio-blk: use BDRV_REQ_REGISTERED_BUF optimization hint
blkio: implement BDRV_REQ_REGISTERED_BUF optimization
stubs: add qemu_ram_block_from_host() and qemu_ram_get_fd()
exec/cpu-common: add qemu_ram_get_fd()
block: add BlockRAMRegistrar
numa: use QLIST_FOREACH_SAFE() for RAM block notifiers
block: return errors from bdrv_register_buf()
block: add BDRV_REQ_REGISTERED_BUF request flag
block: use BdrvRequestFlags type for supported flag fields
block: pass size to bdrv_unregister_buf()
numa: call ->ram_block_removed() in ram_block_notifer_remove()
blkio: add libblkio block driver
coroutine: add flag to re-queue at front of CoQueue
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The netdev reports NETDEV_STREAM_CONNECTED event when the backend
is connected, and NETDEV_STREAM_DISCONNECTED when it is disconnected.
The NETDEV_STREAM_CONNECTED event includes the destination address.
This allows a system manager like libvirt to detect when the server
fails.
For instance with passt:
{ 'execute': 'qmp_capabilities' }
{ "return": { } }
{ "timestamp": { "seconds": 1666341395, "microseconds": 505347 },
"event": "NETDEV_STREAM_CONNECTED",
"data": { "netdev-id": "netdev0",
"addr": { "path": "/tmp/passt_1.socket", "type": "unix" } } }
[killing passt here]
{ "timestamp": { "seconds": 1666341430, "microseconds": 968694 },
"event": "NETDEV_STREAM_DISCONNECTED",
"data": { "netdev-id": "netdev0" } }
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com> (QAPI schema)
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com> (QAPI schema)
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Copied from socket netdev file and modified to use SocketAddress
to be able to introduce new features like unix socket.
"udp" and "mcast" are squashed into dgram netdev, multicast is detected
according to the IP address type.
"listen" and "connect" modes are managed by stream netdev. An optional
parameter "server" defines the mode (off by default)
The two new types need to be parsed the modern way with -netdev, because
with the traditional way, the "type" field of netdev structure collides with
the "type" field of SocketAddress and prevents the correct evaluation of the
command line option. Moreover the traditional way doesn't allow to use
the same type (SocketAddress) several times with the -netdev option
(needed to specify "local" and "remote" addresses).
The previous commit paved the way for parsing the modern way, but
omitted one detail: how to pick modern vs. traditional, in
netdev_is_modern().
We want to pick based on the value of parameter "type". But how to
extract it from the option argument?
Parsing the option argument, either the modern or the traditional way,
extracts it for us, but only if parsing succeeds.
If parsing fails, there is no good option. No matter which parser we
pick, it'll be the wrong one for some arguments, and the error
reporting will be confusing.
Fortunately, the traditional parser accepts *anything* when called in
a certain way. This maximizes our chance to extract the value of
"type", and in turn minimizes the risk of confusing error reporting.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Similar to other vhost backends, vhostfd can be passed to vhost-vdpa
backend as another parameter to instantiate vhost-vdpa net client.
This would benefit the use case where only open file descriptors, as
opposed to raw vhost-vdpa device paths, are accessible from the QEMU
process.
(qemu) netdev_add type=vhost-vdpa,vhostfd=61,id=vhost-vdpa1
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Acked-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
|
|
Snapshot loading only expects to call deterministic handlers, not
non-deterministic ones. So introduce a way of registering handlers that
won't be called when reseting for snapshots.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-id: 20221025004327.568476-2-Jason@zx2c4.com
[PMM: updated json doc comment with Markus' text; fixed
checkpatch style nit]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
|
|
Let's allow for specifying a thread context via the "prealloc-context"
property. When set, preallcoation threads will be crated via the
thread context -- inheriting the same CPU affinity as the thread
context.
Pinning preallcoation threads to CPUs can heavily increase performance
in NUMA setups, because, preallocation from a CPU close to the target
NUMA node(s) is faster then preallocation from a CPU further remote,
simply because of memory bandwidth for initializing memory with zeroes.
This is especially relevant for very large VMs backed by huge/gigantic
pages, whereby preallocation is mandatory.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <20221014134720.168738-7-david@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
|
|
Let's make it easier to pin threads created via a ThreadContext to
all host CPUs currently belonging to a given set of host NUMA nodes --
which is the common case.
"node-affinity" is simply a shortcut for setting "cpu-affinity" manually
to the list of host CPUs belonging to the set of host nodes. This property
can only be written.
A simple QEMU example to set the CPU affinity to host node 1 on a system
with two nodes, 24 CPUs each, whereby odd-numbered host CPUs belong to
host node 1:
qemu-system-x86_64 -S \
-object thread-context,id=tc1,node-affinity=1
And we can query the cpu-affinity via HMP/QMP:
(qemu) qom-get tc1 cpu-affinity
[
1,
3,
5,
7,
9,
11,
13,
15,
17,
19,
21,
23,
25,
27,
29,
31,
33,
35,
37,
39,
41,
43,
45,
47
]
We cannot query the node-affinity:
(qemu) qom-get tc1 node-affinity
Error: Insufficient permission to perform this operation
But note that due to dynamic library loading this example will not work
before we actually make use of thread_context_create_thread() in QEMU
code, because the type will otherwise not get registered. We'll wire
this up next to make it work.
Note that if the host CPUs for a host node change due do CPU hot(un)plug
CPU onlining/offlining (i.e., lscpu output changes) after the ThreadContext
was started, the CPU affinity will not get updated.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221014134720.168738-5-david@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
|
|
Setting the CPU affinity of QEMU threads is a bit problematic, because
QEMU doesn't always have permissions to set the CPU affinity itself,
for example, with seccomp after initialized by QEMU:
-sandbox enable=on,resourcecontrol=deny
General information about CPU affinities can be found in the man page of
taskset:
CPU affinity is a scheduler property that "bonds" a process to a given
set of CPUs on the system. The Linux scheduler will honor the given CPU
affinity and the process will not run on any other CPUs.
While upper layers are already aware of how to handle CPU affinities for
long-lived threads like iothreads or vcpu threads, especially short-lived
threads, as used for memory-backend preallocation, are more involved to
handle. These threads are created on demand and upper layers are not even
able to identify and configure them.
Introduce the concept of a ThreadContext, that is essentially a thread
used for creating new threads. All threads created via that context
thread inherit the configured CPU affinity. Consequently, it's
sufficient to create a ThreadContext and configure it once, and have all
threads created via that ThreadContext inherit the same CPU affinity.
The CPU affinity of a ThreadContext can be configured two ways:
(1) Obtaining the thread id via the "thread-id" property and setting the
CPU affinity manually (e.g., via taskset).
(2) Setting the "cpu-affinity" property and letting QEMU try set the
CPU affinity itself. This will fail if QEMU doesn't have permissions
to do so anymore after seccomp was initialized.
A simple QEMU example to set the CPU affinity to host CPU 0,1,6,7 would be:
qemu-system-x86_64 -S \
-object thread-context,id=tc1,cpu-affinity=0-1,cpu-affinity=6-7
And we can query it via HMP/QMP:
(qemu) qom-get tc1 cpu-affinity
[
0,
1,
6,
7
]
But note that due to dynamic library loading this example will not work
before we actually make use of thread_context_create_thread() in QEMU
code, because the type will otherwise not get registered. We'll wire
this up next to make it work.
In general, the interface behaves like pthread_setaffinity_np(): host
CPU numbers that are currently not available are ignored; only host CPU
numbers that are impossible with the current kernel will fail. If the
list of host CPU numbers does not include a single CPU that is
available, setting the CPU affinity will fail.
A ThreadContext can be reused, simply by reconfiguring the CPU affinity.
Note that the CPU affinity of previously created threads will not get
adjusted.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221014134720.168738-4-david@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
|
|
libblkio (https://gitlab.com/libblkio/libblkio/) is a library for
high-performance disk I/O. It currently supports io_uring,
virtio-blk-vhost-user, and virtio-blk-vhost-vdpa with additional drivers
under development.
One of the reasons for developing libblkio is that other applications
besides QEMU can use it. This will be particularly useful for
virtio-blk-vhost-user which applications may wish to use for connecting
to qemu-storage-daemon.
libblkio also gives us an opportunity to develop in Rust behind a C API
that is easy to consume from QEMU.
This commit adds io_uring, nvme-io_uring, virtio-blk-vhost-user, and
virtio-blk-vhost-vdpa BlockDrivers to QEMU using libblkio. It will be
easy to add other libblkio drivers since they will share the majority of
code.
For now I/O buffers are copied through bounce buffers if the libblkio
driver requires it. Later commits add an optimization for
pre-registering guest RAM to avoid bounce buffers.
The syntax is:
--blockdev io_uring,node-name=drive0,filename=test.img,readonly=on|off,cache.direct=on|off
--blockdev nvme-io_uring,node-name=drive0,filename=/dev/ng0n1,readonly=on|off,cache.direct=on
--blockdev virtio-blk-vhost-vdpa,node-name=drive0,path=/dev/vdpa...,readonly=on|off,cache.direct=on
--blockdev virtio-blk-vhost-user,node-name=drive0,path=vhost-user-blk.sock,readonly=on|off,cache.direct=on
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-id: 20221013185908.1297568-3-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
To save the FDT blob we have the '-machine dumpdtb=<file>' property.
With this property set, the machine saves the FDT in <file> and exit.
The created file can then be converted to plain text dts format using
'dtc'.
There's nothing particularly sophisticated into saving the FDT that
can't be done with the machine at any state, as long as the machine has
a valid FDT to be saved.
The 'dumpdtb' command receives a 'filename' parameter and, if the FDT is
available via current_machine->fdt, save it in dtb format to 'filename'.
In short, this is a '-machine dumpdtb' that can be fired on demand via
QMP/HMP.
This command will always be executed in-band (i.e. holding BQL),
avoiding potential race conditions with machines that might change the
FDT during runtime (e.g. PowerPC 'pseries' machine).
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Alistair Francis <alistair.francis@wdc.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220926173855.1159396-2-danielhb413@gmail.com>
|
|
into staging
pci: cleanup virtio ids.
audio: bugfixes and latency improvements.
misc fixes for hw/display and ui
# -----BEGIN PGP SIGNATURE-----
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# 2Bgg02ZYNBz7K2zzFeeV+7b7K/LYOuWkGdzGvKbpqjbefopZmTM=
# =6d/F
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 13 Oct 2022 02:51:55 EDT
# gpg: using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138
* tag 'kraxel-20221013-pull-request' of https://gitlab.com/kraxel/qemu: (26 commits)
audio: improve out.voices test
audio: fix in.voices test
gtk: Add show_menubar=on|off command line option.
qemu-edid: Restrict input parameter -d to avoid division by zero
ui/gtk: Fix the implicit mouse ungrabbing logic
pci-ids: document modern virtio-pci ids in pci.h too
pci-ids: drop list of modern virtio devices
pci-ids: drop PCI_DEVICE_ID_VIRTIO_PMEM
pci-ids: drop PCI_DEVICE_ID_VIRTIO_MEM
pci-ids: drop PCI_DEVICE_ID_VIRTIO_IOMMU
docs: add firmware feature flags
cirrus_vga: fix potential memory overflow
ui/gtk-egl: egl context needs to be unbound in the end of gd_egl_switch
ui/vnc-clipboard: fix integer underflow in vnc_client_cut_text_ext
audio: prevent an integer overflow in resampling code
audio: fix sw->buf size for audio recording
audio: refactor audio_get_avail()
audio: rename audio_sw_bytes_free()
audio: swap audio_rate_get_bytes() function parameters
spiceaudio: update comment
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
* scsi-disk: support setting CD-ROM block size via device options
* target/i386: Implement MSR_CORE_THREAD_COUNT MSR
* target/i386: notify VM exit support
* target/i386: PC-relative translation block support
* target/i386: support for XSAVE state in signal frames (linux-user)
# -----BEGIN PGP SIGNATURE-----
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# =tqeJ
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 11 Oct 2022 04:27:42 EDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# 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
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (37 commits)
linux-user: i386/signal: support XSAVE/XRSTOR for signal frame fpstate
linux-user: i386/signal: support FXSAVE fpstate on 32-bit emulation
linux-user: i386/signal: move fpstate at the end of the 32-bit frames
KVM: x86: Implement MSR_CORE_THREAD_COUNT MSR
i386: kvm: Add support for MSR filtering
x86: Implement MSR_CORE_THREAD_COUNT MSR
target/i386: Enable TARGET_TB_PCREL
target/i386: Inline gen_jmp_im
target/i386: Add cpu_eip
target/i386: Create eip_cur_tl
target/i386: Merge gen_jmp_tb and gen_goto_tb into gen_jmp_rel
target/i386: Remove MemOp argument to gen_op_j*_ecx
target/i386: Use gen_jmp_rel for DISAS_TOO_MANY
target/i386: Use gen_jmp_rel for gen_jcc
target/i386: Use gen_jmp_rel for loop, repz, jecxz insns
target/i386: Create gen_jmp_rel
target/i386: Use DISAS_TOO_MANY to exit after gen_io_start
target/i386: Create eip_next_*
target/i386: Truncate values for lcall_real to i32
target/i386: Introduce DISAS_JUMP
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
into staging
pc,virtio: features, tests, fixes, cleanups
virtio introspection
new serial number opton for cxl
vhost user blk dynamic config size
virtio-gpio vhost user backend
Tests fixes cleanups all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# =20Zb
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 10 Oct 2022 13:27:06 EDT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# 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
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (55 commits)
x86: pci: acpi: consolidate PCI slots creation
tests: acpi: update expected blobs
x86: pci: acpi: reorder Device's _DSM method
tests: acpi: whitelist pc/q35 DSDT before moving _ADR field
tests: acpi: update expected blobs
x86: pci: acpi: reorder Device's _ADR and _SUN fields
tests: acpi: whitelist pc/q35 DSDT before moving _ADR field
tests: acpi: update expected blobs
x86: acpi: cleanup PCI device _DSM duplication
tests: acpi: whitelist pc/q35 DSDT before switching _DSM to use ASUN
tests: acpi: update expected blobs
x86: acpi: _DSM: use Package to pass parameters
acpi: x86: refactor PDSM method to reduce nesting
tests: acpi: whitelist pc/q35 DSDT due to HPET AML move
tests: acpi: update expected blobs after HPET move
acpi: x86: deduplicate HPET AML building
tests: acpi: whitelist pc/q35 DSDT due to HPET AML move
hw/smbios: support for type 8 (port connector)
pci: Sanity check mask argument to pci_set_*_by_mask()
pci: Remove unused pci_get_*_by_mask() functions
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
The patch adds "show_menubar" command line option for GTK UI similar to
"show_tabs". This option allows to hide menu bar initially, it still can
be toggled by shortcut and other shortcuts still work.
Signed-off-by: Bryce Mills <brycemills@proton.me>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <NWO_zx1CT5Aj9vAXsRlqBppXd63gcKwL9V1qM1Meh36M_9tCw-EsCnfpvONXhHjmtKIUoSuCy9OO6cHS7M8b0oHBOCZG6f1jZ4Q2tqgI2Qo=@proton.me>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
|
|
There are cases that malicious virtual machine can cause CPU stuck (due
to event windows don't open up), e.g., infinite loop in microcode when
nested #AC (CVE-2015-5307). No event window means no event (NMI, SMI and
IRQ) can be delivered. It leads the CPU to be unavailable to host or
other VMs. Notify VM exit is introduced to mitigate such kind of
attacks, which will generate a VM exit if no event window occurs in VM
non-root mode for a specified amount of time (notify window).
A new KVM capability KVM_CAP_X86_NOTIFY_VMEXIT is exposed to user space
so that the user can query the capability and set the expected notify
window when creating VMs. The format of the argument when enabling this
capability is as follows:
Bit 63:32 - notify window specified in qemu command
Bit 31:0 - some flags (e.g. KVM_X86_NOTIFY_VMEXIT_ENABLED is set to
enable the feature.)
Users can configure the feature by a new (x86 only) accel property:
qemu -accel kvm,notify-vmexit=run|internal-error|disable,notify-window=n
The default option of notify-vmexit is run, which will enable the
capability and do nothing if the exit happens. The internal-error option
raises a KVM internal error if it happens. The disable option does not
enable the capability. The default value of notify-window is 0. It is valid
only when notify-vmexit is not disabled. The valid range of notify-window
is non-negative. It is even safe to set it to zero since there's an
internal hardware threshold to be added to ensure no false positive.
Because a notify VM exit may happen with VM_CONTEXT_INVALID set in exit
qualification (no cases are anticipated that would set this bit), which
means VM context is corrupted. It would be reflected in the flags of
KVM_EXIT_NOTIFY exit. If KVM_NOTIFY_CONTEXT_INVALID bit is set, raise a KVM
internal error unconditionally.
Acked-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20220929072014.20705-5-chenyi.qiang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
This new command shows the information of a VirtQueue element.
[Note: Up until v10 of this patch series, virtio.json had many (15+)
enums defined (e.g. decoded device features, statuses, etc.). In v10
most of these enums were removed and replaced with string literals.
By doing this we get (1) simpler schema, (2) smaller generated code,
and (3) less maintenance burden for when new things are added (e.g.
devices, device features, etc.).]
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <1660220684-24909-6-git-send-email-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
|
|
These new commands show the internal status of a VirtIODevice's
VirtQueue and a vhost device's vhost_virtqueue (if active).
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <1660220684-24909-5-git-send-email-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
|
|
Display feature names instead of bitmaps for host, guest, and
backend for VirtIODevices.
Display status names instead of bitmaps for VirtIODevices.
Display feature names instead of bitmaps for backend, protocol,
acked, and features (hdev->features) for vhost devices.
Decode features according to device ID. Decode statuses
according to configuration status bitmap (config_status_map).
Decode vhost user protocol features according to vhost user
protocol bitmap (vhost_user_protocol_map).
Transport features are on the first line. Undecoded bits (if
any) are stored in a separate field.
[Jonah: Several changes made to this patch from prev. version (v14):
- Moved all device features mappings to hw/virtio/virtio.c
- Renamed device features mappings (less generic)
- Generalized @FEATURE_ENTRY macro for all device mappings
- Virtio device feature map definitions include descriptions of
feature bits
- Moved @VHOST_USER_F_PROTOCOL_FEATURES feature bit from transport
feature map to vhost-user-supported device feature mappings
(blk, fs, i2c, rng, net, gpu, input, scsi, vsock)
- New feature bit added for virtio-vsock: @VIRTIO_VSOCK_F_SEQPACKET
- New feature bit added for virtio-iommu: @VIRTIO_IOMMU_F_BYPASS_CONFIG
- New feature bit added for virtio-mem: @VIRTIO_MEM_F_UNPLUGGED_INACCESSIBLE
- New virtio transport feature bit added: @VIRTIO_F_IN_ORDER
- Added device feature map definition for virtio-rng
]
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <1660220684-24909-4-git-send-email-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
|
|
This new command shows the status of a VirtIODevice, including
its corresponding vhost device's status (if active).
Next patch will improve output by decoding feature bits, including
vhost device's feature bits (backend, protocol, acked, and features).
Also will decode status bits of a VirtIODevice.
[Jonah: From patch v12; added a check to @virtio_device_find to ensure
synchronicity between @virtio_list and the devices in the QOM
composition tree.]
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <1660220684-24909-3-git-send-email-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This new command lists all the instances of VirtIODevices with
their canonical QOM path and name.
[Jonah: @virtio_list duplicates information that already exists in
the QOM composition tree. However, extracting necessary information
from this tree seems to be a bit convoluted.
Instead, we still create our own list of realized virtio devices
but use @qmp_qom_get with the device's canonical QOM path to confirm
that the device exists and is realized. If the device exists but
is actually not realized, then we remove it from our list (for
synchronicity to the QOM composition tree).
Also, the QMP command @x-query-virtio is redundant as @qom-list
and @qom-get are sufficient to search '/machine/' for realized
virtio devices. However, @x-query-virtio is much more convenient
in listing realized virtio devices.]
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <1660220684-24909-2-git-send-email-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This reverts commit b6522938327141235b97ab38e40c6c4512587373.
Kevin Wolf NAKed this patch, because:
'file' is a required member (defined in BlockdevOptionsGenericFormat),
removing it makes the example invalid. 'data-file' is only an additional
optional member to be used for external data files (i.e. when the guest
data is kept separate from the metadata in the .qcow2 file).
However, it had already been merged then. Revert.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220930171908.846769-1-armbru@redhat.com>
Reviewed-by: Victor Toso <victortoso@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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sndio is the native API used by OpenBSD, although it has been ported to
other *BSD's and Linux (packages for Ubuntu, Debian, Void, Arch, etc.).
Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Alexandre Ratchov <alex@caoua.org>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Tested-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <YxibXrWsrS3XYQM3@vm1.arverb.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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I've used real timestamp and changing them one by one so they would
not be all equal.
Problem was noticed when using the example as a test case for Go
bindings.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-11-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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The example return type has the wrong member name. Fix it.
Problem was noticed when using the example as a test case for Go
bindings.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-10-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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The examples use "qcow2" driver with the wrong member name for
BlockdevRef alternate type. This patch changes all wrong member names
from "file" to "data-file" which is the correct member name in
BlockdevOptionsQcow2 for the BlockdevRef field.
Problem was noticed when using the example as a test case for Go
bindings.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-9-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Example output was missing ',' delimiter. Fix it.
Problem was noticed when trying to load the example into python's json
library.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-8-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Example output is missing a ',' delimiter and it has an extra ending
curly bracket. Fix it.
Problem was noticed when trying to load the example into python's json
library.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-7-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Example output has an extra ending curly bracket. Fix it.
Problem was noticed when trying to load the example into python's json
library.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-6-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Example output is missing ',' delimiter. Fix it.
Problem was noticed when trying to load the example into python's json
library.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-5-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Example output is missing closing curly brackets. Fix it.
Problem was noticed when trying to load the example into python's json
library.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-4-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Example output has an extra ',' delimiter in member "websocket" and it
lacks it in "family" member. Fix it.
Problem was noticed when trying to load the example into python's json
library.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-3-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Example output has an extra ',' delimiter. Fix it.
Problem was noticed when trying to load the example into python's json
library.
Signed-off-by: Victor Toso <victortoso@redhat.com>
Message-Id: <20220901085840.22520-2-victortoso@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Found with "muon analyze".
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Currently QEMU exits with code 0 on both panic an shutdown. For tests
it is useful to return 1 on panic, so that it counts as a test
failure.
Introduce a new exit-failure PanicAction that makes main() return
EXIT_FAILURE. Tests can use -action panic=exit-failure option to
activate this behavior.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20220725223746.227063-2-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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* Boolean statistics for KVM
* Fix build on Haiku
# gpg: Signature made Tue 19 Jul 2022 10:32:34 BST
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# 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
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
util: Fix broken build on Haiku
kvm: add support for boolean statistics
monitor: add support for boolean statistics
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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