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In ACPI 6.3 chapter 5.2.27 Heterogeneous Memory Attribute Table (HMAT),
The initiator represents processor which access to memory. And in 5.2.27.3
Memory Proximity Domain Attributes Structure, the attached initiator is
defined as where the memory controller responsible for a memory proximity
domain. With attached initiator information, the topology of heterogeneous
memory can be described. Add new machine property 'hmat' to enable all
HMAT specific options.
Extend CLI of "-numa node" option to indicate the initiator numa node-id.
In the linux kernel, the codes in drivers/acpi/hmat/hmat.c parse and report
the platform's HMAT tables. Before using initiator option, enable HMAT with
-machine hmat=on.
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Jingqi Liu <jingqi.liu@intel.com>
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Tao Xu <tao3.xu@intel.com>
Message-Id: <20191213011929.2520-2-tao3.xu@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Virtqueue notifications are not necessary during polling, so we disable
them. This allows the guest driver to avoid MMIO vmexits.
Unfortunately the virtio-blk and virtio-scsi handler functions re-enable
notifications, defeating this optimization.
Fix virtio-blk and virtio-scsi emulation so they leave notifications
disabled. The key thing to remember for correctness is that polling
always checks one last time after ending its loop, therefore it's safe
to lose the race when re-enabling notifications at the end of polling.
There is a measurable performance improvement of 5-10% with the null-co
block driver. Real-life storage configurations will see a smaller
improvement because the MMIO vmexit overhead contributes less to
latency.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20191209210957.65087-1-stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch is to add standard commands defined in docs/interop/vhost-user.rst
For vhost-user-* program
Signed-off-by: Micky Yun Chan (michiboo) <chanmickyyun@gmail.com>
Message-Id: <20191209015331.5455-1-chanmickyyun@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Currently the SLOF firmware for pseries guests will disable/re-enable
a PCI device multiple times via IO/MEM/MASTER bits of PCI_COMMAND
register after the initial probe/feature negotiation, as it tends to
work with a single device at a time at various stages like probing
and running block/network bootloaders without doing a full reset
in-between.
In QEMU, when PCI_COMMAND_MASTER is disabled we disable the
corresponding IOMMU memory region, so DMA accesses (including to vring
fields like idx/flags) will no longer undergo the necessary
translation. Normally we wouldn't expect this to happen since it would
be misbehavior on the driver side to continue driving DMA requests.
However, in the case of pseries, with iommu_platform=on, we trigger the
following sequence when tearing down the virtio-blk dataplane ioeventfd
in response to the guest unsetting PCI_COMMAND_MASTER:
#2 0x0000555555922651 in virtqueue_map_desc (vdev=vdev@entry=0x555556dbcfb0, p_num_sg=p_num_sg@entry=0x7fffe657e1a8, addr=addr@entry=0x7fffe657e240, iov=iov@entry=0x7fffe6580240, max_num_sg=max_num_sg@entry=1024, is_write=is_write@entry=false, pa=0, sz=0)
at /home/mdroth/w/qemu.git/hw/virtio/virtio.c:757
#3 0x0000555555922a89 in virtqueue_pop (vq=vq@entry=0x555556dc8660, sz=sz@entry=184)
at /home/mdroth/w/qemu.git/hw/virtio/virtio.c:950
#4 0x00005555558d3eca in virtio_blk_get_request (vq=0x555556dc8660, s=0x555556dbcfb0)
at /home/mdroth/w/qemu.git/hw/block/virtio-blk.c:255
#5 0x00005555558d3eca in virtio_blk_handle_vq (s=0x555556dbcfb0, vq=0x555556dc8660)
at /home/mdroth/w/qemu.git/hw/block/virtio-blk.c:776
#6 0x000055555591dd66 in virtio_queue_notify_aio_vq (vq=vq@entry=0x555556dc8660)
at /home/mdroth/w/qemu.git/hw/virtio/virtio.c:1550
#7 0x000055555591ecef in virtio_queue_notify_aio_vq (vq=0x555556dc8660)
at /home/mdroth/w/qemu.git/hw/virtio/virtio.c:1546
#8 0x000055555591ecef in virtio_queue_host_notifier_aio_poll (opaque=0x555556dc86c8)
at /home/mdroth/w/qemu.git/hw/virtio/virtio.c:2527
#9 0x0000555555d02164 in run_poll_handlers_once (ctx=ctx@entry=0x55555688bfc0, timeout=timeout@entry=0x7fffe65844a8)
at /home/mdroth/w/qemu.git/util/aio-posix.c:520
#10 0x0000555555d02d1b in try_poll_mode (timeout=0x7fffe65844a8, ctx=0x55555688bfc0)
at /home/mdroth/w/qemu.git/util/aio-posix.c:607
#11 0x0000555555d02d1b in aio_poll (ctx=ctx@entry=0x55555688bfc0, blocking=blocking@entry=true)
at /home/mdroth/w/qemu.git/util/aio-posix.c:639
#12 0x0000555555d0004d in aio_wait_bh_oneshot (ctx=0x55555688bfc0, cb=cb@entry=0x5555558d5130 <virtio_blk_data_plane_stop_bh>, opaque=opaque@entry=0x555556de86f0)
at /home/mdroth/w/qemu.git/util/aio-wait.c:71
#13 0x00005555558d59bf in virtio_blk_data_plane_stop (vdev=<optimized out>)
at /home/mdroth/w/qemu.git/hw/block/dataplane/virtio-blk.c:288
#14 0x0000555555b906a1 in virtio_bus_stop_ioeventfd (bus=bus@entry=0x555556dbcf38)
at /home/mdroth/w/qemu.git/hw/virtio/virtio-bus.c:245
#15 0x0000555555b90dbb in virtio_bus_stop_ioeventfd (bus=bus@entry=0x555556dbcf38)
at /home/mdroth/w/qemu.git/hw/virtio/virtio-bus.c:237
#16 0x0000555555b92a8e in virtio_pci_stop_ioeventfd (proxy=0x555556db4e40)
at /home/mdroth/w/qemu.git/hw/virtio/virtio-pci.c:292
#17 0x0000555555b92a8e in virtio_write_config (pci_dev=0x555556db4e40, address=<optimized out>, val=1048832, len=<optimized out>)
at /home/mdroth/w/qemu.git/hw/virtio/virtio-pci.c:613
I.e. the calling code is only scheduling a one-shot BH for
virtio_blk_data_plane_stop_bh, but somehow we end up trying to process
an additional virtqueue entry before we get there. This is likely due
to the following check in virtio_queue_host_notifier_aio_poll:
static bool virtio_queue_host_notifier_aio_poll(void *opaque)
{
EventNotifier *n = opaque;
VirtQueue *vq = container_of(n, VirtQueue, host_notifier);
bool progress;
if (!vq->vring.desc || virtio_queue_empty(vq)) {
return false;
}
progress = virtio_queue_notify_aio_vq(vq);
namely the call to virtio_queue_empty(). In this case, since no new
requests have actually been issued, shadow_avail_idx == last_avail_idx,
so we actually try to access the vring via vring_avail_idx() to get
the latest non-shadowed idx:
int virtio_queue_empty(VirtQueue *vq)
{
bool empty;
...
if (vq->shadow_avail_idx != vq->last_avail_idx) {
return 0;
}
rcu_read_lock();
empty = vring_avail_idx(vq) == vq->last_avail_idx;
rcu_read_unlock();
return empty;
but since the IOMMU region has been disabled we get a bogus value (0
usually), which causes virtio_queue_empty() to falsely report that
there are entries to be processed, which causes errors such as:
"virtio: zero sized buffers are not allowed"
or
"virtio-blk missing headers"
and puts the device in an error state.
This patch works around the issue by introducing virtio_set_disabled(),
which sets a 'disabled' flag to bypass checks like virtio_queue_empty()
when bus-mastering is disabled. Since we'd check this flag at all the
same sites as vdev->broken, we replace those checks with an inline
function which checks for either vdev->broken or vdev->disabled.
The 'disabled' flag is only migrated when set, which should be fairly
rare, but to maintain migration compatibility we disable it's use for
older machine types. Users requiring the use of the flag in conjunction
with older machine types can set it explicitly as a virtio-device
option.
NOTES:
- This leaves some other oddities in play, like the fact that
DRIVER_OK also gets unset in response to bus-mastering being
disabled, but not restored (however the device seems to continue
working)
- Similarly, we disable the host notifier via
virtio_bus_stop_ioeventfd(), which seems to move the handling out
of virtio-blk dataplane and back into the main IO thread, and it
ends up staying there till a reset (but otherwise continues working
normally)
Cc: David Gibson <david@gibson.dropbear.id.au>,
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Message-Id: <20191120005003.27035-1-mdroth@linux.vnet.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Some guests read back queue size after writing it.
Update the size immediatly upon write otherwise
they get confused.
In particular this is the case for seabios.
Reported-by: Roman Kagan <rkagan@virtuozzo.com>
Suggested-by: Denis Plotnikov <dplotnikov@virtuozzo.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Should directly read DMAR_RTADDR_REG but not using 's->root'.
Because 's->root' is modified in 'vtd_root_table_setup()' so
that the first 12 bits are omitted. This causes the guest
iommu debugfs cannot show pasid tables.
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Message-Id: <20191205095439.29114-1-yi.y.sun@linux.intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Seems cleaner than using VQ index values.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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ivqs/ovqs/c_ivq/c_ovq is forgot to cleanup in
virtio_serial_device_unrealize, the memory leak stack is as bellow:
Direct leak of 1290240 byte(s) in 180 object(s) allocated from:
#0 0x7fc9bfc27560 in calloc (/usr/lib64/libasan.so.3+0xc7560)
#1 0x7fc9bed6f015 in g_malloc0 (/usr/lib64/libglib-2.0.so.0+0x50015)
#2 0x5650e02b83e7 in virtio_add_queue hw/virtio/virtio.c:2327
#3 0x5650e02847b5 in virtio_serial_device_realize hw/char/virtio-serial-bus.c:1089
#4 0x5650e02b56a7 in virtio_device_realize hw/virtio/virtio.c:3504
#5 0x5650e03bf031 in device_set_realized hw/core/qdev.c:876
#6 0x5650e0531efd in property_set_bool qom/object.c:2080
#7 0x5650e053650e in object_property_set_qobject qom/qom-qobject.c:26
#8 0x5650e0533e14 in object_property_set_bool qom/object.c:1338
#9 0x5650e04c0e37 in virtio_pci_realize hw/virtio/virtio-pci.c:1801
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Cc: Laurent Vivier <lvivier@redhat.com>
Cc: Amit Shah <amit@kernel.org>
Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1575444716-17632-3-git-send-email-pannengyuan@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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ivq/dvq/svq/free_page_vq is forgot to cleanup in
virtio_balloon_device_unrealize, the memory leak stack is as follow:
Direct leak of 14336 byte(s) in 2 object(s) allocated from:
#0 0x7f99fd9d8560 in calloc (/usr/lib64/libasan.so.3+0xc7560)
#1 0x7f99fcb20015 in g_malloc0 (/usr/lib64/libglib-2.0.so.0+0x50015)
#2 0x557d90638437 in virtio_add_queue hw/virtio/virtio.c:2327
#3 0x557d9064401d in virtio_balloon_device_realize hw/virtio/virtio-balloon.c:793
#4 0x557d906356f7 in virtio_device_realize hw/virtio/virtio.c:3504
#5 0x557d9073f081 in device_set_realized hw/core/qdev.c:876
#6 0x557d908b1f4d in property_set_bool qom/object.c:2080
#7 0x557d908b655e in object_property_set_qobject qom/qom-qobject.c:26
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Message-Id: <1575444716-17632-2-git-send-email-pannengyuan@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
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Let's make sure calling this twice is harmless -
no known instances, but seems safer.
Suggested-by: Pan Nengyuan <pannengyuan@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Devices tend to maintain vq pointers, allow deleting them trough a vq pointer.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
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staging
Pull request
# gpg: Signature made Fri 20 Dec 2019 10:25:11 GMT
# gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/block-pull-request:
virtio-blk: fix out-of-bounds access to bitmap in notify_guest_bh
docs: fix rst syntax errors in unbuilt docs
virtio-blk: deprecate SCSI passthrough
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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'remotes/kraxel/tags/seabios-20191220-pull-request' into staging
seabios: update to 1.13.0 final
# gpg: Signature made Fri 20 Dec 2019 06:07:53 GMT
# gpg: using RSA key 4CB6D8EED3E87138
# 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
* remotes/kraxel/tags/seabios-20191220-pull-request:
seabios: update to 1.13.0 final
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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into staging
vga: two little bugfixes.
# gpg: Signature made Fri 20 Dec 2019 06:06:04 GMT
# gpg: using RSA key 4CB6D8EED3E87138
# 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
* remotes/kraxel/tags/vga-20191220-pull-request:
display/bochs-display: fix memory leak
vhost-user-gpu: Drop trailing json comma
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Block layer patches:
- qemu-img: fix info --backing-chain --image-opts
- Error out on image creation with conflicting size options
- Fix external snapshot with VM state
- hmp: Allow using qdev ID for qemu-io command
- Misc code cleanup
- Many iotests improvements
# gpg: Signature made Thu 19 Dec 2019 17:23:11 GMT
# gpg: using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream: (30 commits)
iotests: Test external snapshot with VM state
hmp: Allow using qdev ID for qemu-io command
block: Activate recursively even for already active nodes
iotests: 211: Remove duplication with VM.blockdev_create()
iotests: 207: Remove duplication with VM.blockdev_create()
iotests: 266: Convert to VM.blockdev_create()
iotests: 237: Convert to VM.blockdev_create()
iotests: 213: Convert to VM.blockdev_create()
iotests: 212: Convert to VM.blockdev_create()
iotests: 210: Convert to VM.blockdev_create()
iotests: 206: Convert to VM.blockdev_create()
iotests: 255: Drop blockdev_create()
iotests: Create VM.blockdev_create()
qcow2: Move error check of local_err near its assignment
iotests: Fix IMGOPTSSYNTAX for nbd
iotests/273: Filter format-specific information
iotests: Add more "_require_drivers" checks to the shell-based tests
MAINTAINERS: fix qcow2-bitmap.c under Dirty Bitmaps header
qcow2: Use offset_into_cluster()
iotests: Support job-complete in run_job()
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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More s390x patches:
- tcg: implement LOAD/STORE TO REAL ADDRESS inline
- fixes in tests, the bios, and diag308 handling
# gpg: Signature made Thu 19 Dec 2019 10:53:19 GMT
# gpg: using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg: issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [unknown]
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg: aka "Cornelia Huck <cohuck@kernel.org>" [unknown]
# gpg: aka "Cornelia Huck <cohuck@redhat.com>" [unknown]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck/tags/s390x-20191219:
s390x: Properly fetch and test the short psw on diag308 subc 0/1
pc-bios/s390: Update firmware images
pc-bios/s390x: Fix reset psw mask
tests/boot-sector: Fix the bad s390x assembler code
target/s390x: Implement LOAD/STORE TO REAL ADDRESS inline
target/s390x: Split out helper_per_store_real
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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'remotes/stsquad/tags/pull-tesing-and-misc-191219-1' into staging
Various testing and logging updates
- test tci with Travis
- enable multiarch testing in Travis
- default to out-of-tree builds
- make changing logfile safe via RCU
- remove redundant tests
- remove gtester test from docker
- convert DEBUG_MMAP to tracepoints
- remove hand rolled glob function
- trigger tcg re-configure when needed
# gpg: Signature made Thu 19 Dec 2019 08:24:08 GMT
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* remotes/stsquad/tags/pull-tesing-and-misc-191219-1: (25 commits)
tests/tcg: ensure we re-configure if configure.sh is updated
trace: replace hand-crafted pattern_glob with g_pattern_match_simple
linux-user: convert target_munmap debug to a tracepoint
linux-user: log page table changes under -d page
linux-user: add target_mmap_complete tracepoint
linux-user: convert target_mmap debug to tracepoint
linux-user: convert target_mprotect debug to tracepoint
travis.yml: Remove the redundant clang-with-MAIN_SOFTMMU_TARGETS entry
docker: gtester is no longer used
Added tests for close and change of logfile.
Add use of RCU for qemu_logfile.
qemu_log_lock/unlock now preserves the qemu_logfile handle.
Add a mutex to guarantee single writer to qemu_logfile handle.
Cleaned up flow of code in qemu_set_log(), to simplify and clarify.
Fix double free issue in qemu_set_log_filename().
ci: build out-of-tree
travis.yml: Enable builds on arm64, ppc64le and s390x
tests/test-util-filemonitor: Skip test on non-x86 Travis containers
tests/hd-geo-test: Skip test when images can not be created
iotests: Skip test 079 if it is not possible to create large files
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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'remotes/vivier2/tags/trivial-branch-pull-request' into staging
Trivial fixes (20191218)
# gpg: Signature made Wed 18 Dec 2019 13:00:34 GMT
# gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier2/tags/trivial-branch-pull-request:
qemu-doc: Remove the unused "Guest Agent" node
Revert "qemu-options.hx: Update for reboot-timeout parameter"
target/sparc: Remove old TODO file
test-keyval: Tighten test of trailing crap after size
util/cutils: Turn FIXME comment into QEMU_BUILD_BUG_ON()
monitor: Remove unused define
MAINTAINERS: Add hw/sd/ssi-sd.c in the SD section
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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* More uses of RCU_READ_LOCK_GUARD (Dave, myself)
* QOM doc improvments (Greg)
* Cleanups from the Meson conversion (Marc-André)
* Support for multiple -accel options (myself)
* Many x86 machine cleanup (Philippe, myself)
* tests/migration-test cleanup (Juan)
* PC machine removal and next round of deprecation (Thomas)
* kernel-doc integration (Peter, myself)
# gpg: Signature made Wed 18 Dec 2019 01:35:02 GMT
# gpg: using RSA key BFFBD25F78C7AE83
# 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
* remotes/bonzini/tags/for-upstream: (87 commits)
vga: cleanup mapping of VRAM for non-PCI VGA
hw/display: Remove "rombar" hack from vga-pci and vmware_vga
hw/pci: Remove the "command_serr_enable" property
hw/audio: Remove the "use_broken_id" hack from the AC97 device
hw/i386: Remove the deprecated machines 0.12 up to 0.15
hw/pci-host: Add Kconfig entry to select the IGD Passthrough Host Bridge
hw/pci-host/i440fx: Extract the IGD passthrough host bridge device
hw/pci-host/i440fx: Use definitions instead of magic values
hw/pci-host/i440fx: Use size_t to iterate over ARRAY_SIZE()
hw/pci-host/i440fx: Extract PCII440FXState to "hw/pci-host/i440fx.h"
hw/pci-host/i440fx: Correct the header description
Fix some comment spelling errors.
target/i386: remove unused pci-assign codes
WHPX: refactor load library
migration: check length directly to make sure the range is aligned
memory: include MemoryListener documentation and some missing function parameters
docs: add memory API reference
memory.h: Silence kernel-doc complaints
docs: Create bitops.rst as example of kernel-docs
bitops.h: Silence kernel-doc complaints
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Update to the final 1.13 release. No code changes.
git shortlog
============
Kevin O'Connor (1):
docs: Note v1.13.0 release
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Fix memory leak in bochs_display_update(). Leaks 304 bytes per frame.
Fixes: 33ebad54056
Signed-off-by: Cameron Esfahani <dirty@apple.com>
Message-Id: <d6c26e68db134c7b0c7ce8b61596ca2e65e01e12.1576013209.git.dirty@apple.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Trailing comma is not valid json:
$ cat contrib/vhost-user-gpu/50-qemu-gpu.json.in | jq
parse error: Expected another key-value pair at line 5, column 1
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 7f5dd2ac9f3504e2699f23e69bc3d8051b729832.1568925097.git.crobinso@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This tests creating an external snapshot with VM state (which results in
an active overlay over an inactive backing file, which is also the root
node of an inactive BlockBackend), re-activating the images and
performing some operations to test that the re-activation worked as
intended.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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In order to issue requests on an existing BlockBackend with the
'qemu-io' HMP command, allow specifying the BlockBackend not only with a
BlockBackend name, but also with a qdev ID/QOM path for a device that
owns the (possibly anonymous) BlockBackend.
Because qdev names could be conflicting with BlockBackend and node
names, introduce a -d option to explicitly address a device. If the
option is not given, a BlockBackend or a node is addressed.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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bdrv_invalidate_cache_all() assumes that all nodes in a given subtree
are either active or inactive when it starts. Therefore, as soon as it
arrives at an already active node, it stops.
However, this assumption is wrong. For example, it's possible to take a
snapshot of an inactive node, which results in an active overlay over an
inactive backing file. The active overlay is probably also the root node
of an inactive BlockBackend (blk->disable_perm == true).
In this case, bdrv_invalidate_cache_all() does not need to do anything
to activate the overlay node, but it still needs to recurse into the
children and the parents to make sure that after returning success,
really everything is activated.
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
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When the number of a virtio-blk device's virtqueues is larger than
BITS_PER_LONG, the out-of-bounds access to bitmap[ ] will occur.
Fixes: e21737ab15 ("virtio-blk: multiqueue batch notify")
Cc: qemu-stable@nongnu.org
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Li Hangjing <lihangjing@baidu.com>
Reviewed-by: Xie Yongji <xieyongji@baidu.com>
Reviewed-by: Chai Wen <chaiwen@baidu.com>
Message-id: 20191216023050.48620-1-lihangjing@baidu.com
Message-Id: <20191216023050.48620-1-lihangjing@baidu.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The .rst files outside docs/{devel,interop,specs} aren't built yet and
therefore a few syntax errors have slipped through. Fix them.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20191111094411.427174-1-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The Linux virtio_blk.ko guest driver is removing legacy SCSI passthrough
support. Deprecate this feature in QEMU too.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20191213144626.1208237-1-stefanha@redhat.com
Message-Id: <20191213144626.1208237-1-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The blockdev_create() function in this test case adds an error check
that skips the test in case of failure because of memory shortage, but
provides otherwise the same functionality as VM.blockdev_create() from
iotests.py. Make it a thin wrapper around the iotests.py function.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The blockdev_create() function in this test case adds another filter to
the logging, but provides otherwise the same functionality as
VM.blockdev_create() from iotests.py. Make it a thin wrapper around the
iotests.py function.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Instead of having a separate blockdev_create() function, make use of the
VM.blockdev_create() offered by iotests.py.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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blockdev_create() is completely unused in this test case, so we can just
drop it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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We have several almost identical copies of a blockdev_create() function
in different test cases. Time to create one unified function in
iotests.py.
To keep the diff managable, this patch only creates the function and
follow-up patches will convert the individual test cases.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The local_err check outside of the if block was necessary
when it was introduced in commit d1258dd0c87 because it needed to be
executed even if qcow2_load_autoloading_dirty_bitmaps() returned false.
After some modifications that all required the error check to remain
where it is, commit 9c98f145dfb finally moved the
qcow2_load_dirty_bitmaps() call into the if block, so now the error
check should be there, too.
Signed-off-by: Guoyi Tu <tu.guoyi@h3c.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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There is no $SOCKDIR, only $SOCK_DIR.
Fixes: f3923a72f199b2c63747a7032db74730546f55c6
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Doing this allows running this test with e.g. -o compat=0.10 or
-o compat=refcount_bits=1.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Test 051 should be skipped if nbd is not available, and 267 should
be skipped if copy-on-read is not enabled.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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into staging
Error reporting patches for 2019-12-17
# gpg: Signature made Wed 18 Dec 2019 07:45:24 GMT
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-error-2019-12-17-v2: (35 commits)
nbd: assert that Error** is not NULL in nbd_iter_channel_error
hw/vfio/ap: drop local_err from vfio_ap_realize
backends/cryptodev: drop local_err from cryptodev_backend_complete()
include/qom/object.h: rename Error ** parameter to more common errp
hw/usb: rename Error ** parameter to more common errp
hw/tpm: rename Error ** parameter to more common errp
hw/sd: drop extra whitespace in sdhci_sysbus_realize() header
hw/s390x: rename Error ** parameter to more common errp
monitor/qmp-cmds: rename Error ** parameter to more common errp
qga: rename Error ** parameter to more common errp
hw/i386/amd_iommu: rename Error ** parameter to more common errp
block/snapshot: rename Error ** parameter to more common errp
hw/core/qdev: cleanup Error ** variables
9pfs: make Error **errp const where it is appropriate
ppc: make Error **errp const where it is appropriate
Revert "ppc: well form kvmppc_hint_smt_possible error hint helper"
qdev-monitor: make Error **errp const where it is appropriate
vnc: drop Error pointer indirection in vnc_client_io_error
hmp: drop Error pointer indirection in hmp_handle_error
error: make Error **errp const where it is appropriate
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Somehow I wrote not full path to the file. Fix that.
Also, while being here, rearrange entries, so that includes go first,
then block, than migration, than util.
Fixes: 052db8e71444d
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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We were only doing this if docker was enabled which isn't quite right.
Fixes: fc76c56d3f47
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20191211170520.7747-17-alex.bennee@linaro.org>
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We already use g_pattern_match elsewhere so remove the duplication.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20191205122518.10010-7-alex.bennee@linaro.org>
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Convert the final bit of DEBUG_MMAP to a tracepoint and remove the
last remanents of the #ifdef hackery.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-6-alex.bennee@linaro.org>
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The CPU_LOG_PAGE flag is woefully underused and could stand to do
extra duty tracking page changes. If the user doesn't want to see the
details as things change they still have the tracepoints available.
We push the locking into log_page_dump and pass a reason for the
banner text.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-5-alex.bennee@linaro.org>
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For full details we also want to see where the mmaps end up.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-4-alex.bennee@linaro.org>
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It is a pain to re-compile when you need to debug and tracepoints are
a fairly low impact way to instrument QEMU.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20191205122518.10010-3-alex.bennee@linaro.org>
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