Merge tag 'migration-20250502-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull request

- Prasad's few pre-requisite patches from multifd+postcopy enablement series
- Mark

Merge tag 'migration-20250502-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull request

- Prasad's few pre-requisite patches from multifd+postcopy enablement series
- Markus's fix on a latent bug for tls_authz setup
- Zhijian's latest RDMA series (includes the rdma soft-RoCE unit test)
- Jack's RDMA migration patch to re-enable ipv6
- Thomas's vmstate static checker update on rename field in acpi/ghes
- Peter's postcopy preempt optimization for locality hint

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# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [full]
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# Primary key fingerprint: B918 4DC2 0CC4 57DA CF7D D1A9 3B5F CCCD F3AB D706

* tag 'migration-20250502-pull-request' of https://gitlab.com/peterx/qemu:
scripts/vmstate-static-checker.py: Allow new name for ghes_addr_le field
migration/rdma: Remove qemu_rdma_broken_ipv6_kernel
migration/postcopy: Spatial locality page hint for preempt mode
tests/qtest/migration: consolidate set capabilities
migration/ram: Implement save_postcopy_prepare()
migration: Add save_postcopy_prepare() savevm handler
migration: refactor channel discovery mechanism
migration/multifd: move macros to multifd header
migration: Fix latent bug in migrate_params_test_apply()
migration: Add qtest for migration over RDMA
migration: Unfold control_save_page()
migration/rdma: Remove redundant migration_in_postcopy checks
migration: disable RDMA + postcopy-ram
migration: check RDMA and capabilities are compatible on both sides

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

tests/qtest/migration: consolidate set capabilities

Migration capabilities are set in multiple '.start_hook'
functions for various tests. Instead, consolidate setting
capabilities in 'migrate_start_

tests/qtest/migration: consolidate set capabilities

Migration capabilities are set in multiple '.start_hook'
functions for various tests. Instead, consolidate setting
capabilities in 'migrate_start_set_capabilities()' function
which is called from the 'migrate_start()' function.
While simplifying the capabilities setting, it helps
to declutter the qtest sources.

Suggested-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Prasad Pandit <pjp@fedoraproject.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20250411114534.3370816-7-ppandit@redhat.com>
[fix open brace]
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

Merge tag 'pull-10.0-testing-and-gdstub-updates-100225-1' of https://gitlab.com/stsquad/qemu into staging

testing and gdbstub updates:

- add a check-rust test to docker builds
- re-factor the q

Merge tag 'pull-10.0-testing-and-gdstub-updates-100225-1' of https://gitlab.com/stsquad/qemu into staging

testing and gdbstub updates:

- add a check-rust test to docker builds
- re-factor the qtest logic to be cleaner
- fix tests to not clock_step when no timers enabled
- roll-up log prefix into qtest_send
- cleaner error reporting when qtest_clock_set fails
- revert old deadlock fix now tests are updated
- only run full set of migration tests under HW acceleration
- support late attachment to user-mode gdbstubs

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# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-10.0-testing-and-gdstub-updates-100225-1' of https://gitlab.com/stsquad/qemu:
tests/tcg: Add late gdbstub attach test
docs/user: Document the %d placeholder and suspend=n QEMU_GDB features
gdbstub: Allow late attachment
osdep: Introduce qemu_kill_thread()
user: Introduce host_interrupt_signal
user: Introduce user/signal.h
gdbstub: Try unlinking the unix socket before binding
gdbstub: Allow the %d placeholder in the socket path
tests/qtest/migration: Pick smoke tests
tests/qtest/migration: Add --full option
Revert "util/timer: avoid deadlock when shutting down"
tests/qtest: tighten up the checks on clock_step
tests/qtest: rename qtest_send_prefix and roll-up into qtest_send
tests/qtest: simplify qtest_process_inbuf
tests/qtest: don't step clock at start of npcm7xx periodic IRQ test
tests/qtest: don't attempt to clock_step while waiting for virtio ISR
tests/docker: replicate the check-rust-tools-nightly CI job

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

tests/qtest/migration: Add --full option

Add a new command line option to allow selecting between running the
full set of tests or a smaller set of tests. The default will be to
run the small set (i

tests/qtest/migration: Add --full option

Add a new command line option to allow selecting between running the
full set of tests or a smaller set of tests. The default will be to
run the small set (i.e. no comand line option provided) so we can
reduce the amount of tests run by default. Only hosts which support
KVM for the target architecture being tested will run the complete set
of tests.

Adjust the meson.build file to pass in the --full option when
appropriate.

(for now, set the option unconditionally until the next patch actually
creates the small set)

Use cases:

configure --target-list=aarch64-softmmu,ppc64-softmmu,s390x-softmmu,x86_64-softmmu

| before - 615s/244 tests | after - 244s/100 tests
------------------------+--------------------------+-----------------------------
make check | full set for all archs | full set for the KVM arch,
make check-qtest | | small set for the rest
| |
qemu-system-$ARCH | full set for $ARCH | small set for $ARCH, KVM or
./migration-test | | TCG automatically chosen
| |
qemu-system-$ARCH | N/A | full set for $ARCH, KVM or
./migration-test --full | | TCG automatically chosen
| |
migration-compat-x86_64 | full set for x86_64 | small set for x86_64
CI job | |
------------------------+--------------------------+-----------------------------

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20250130184012.5711-2-farosas@suse.de>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250207153112.3939799-9-alex.bennee@linaro.org>

show more ...

Merge tag 'migration-20250129-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request

- Purge of ram_save_target_page_legacy
- Cleanups to postcopy, json writer, migrat

Merge tag 'migration-20250129-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request

- Purge of ram_save_target_page_legacy
- Cleanups to postcopy, json writer, migration states
- New migration mode cpr-transfer
- Fix for a -Werror=maybe-uninitialized instance in savevm

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# gpg: Signature made Wed 29 Jan 2025 10:56:49 EST
# gpg: using RSA key AA1B48B0A22326A5A4C364CFC798DC741BEC319D
# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.com>" [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: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D

* tag 'migration-20250129-pull-request' of https://gitlab.com/farosas/qemu: (42 commits)
migration: refactor ram_save_target_page functions
migration: Trivial cleanup on JSON writer of vmstate_save()
migration: Merge precopy/postcopy on switchover start
migration: Always set DEVICE state
migration: Cleanup qemu_savevm_state_complete_precopy()
migration: Unwrap qemu_savevm_state_complete_precopy() in postcopy
migration: Notify COMPLETE once for postcopy
migration: Take BQL slightly longer in postcopy_start()
migration: Drop cached migration state in migration_maybe_pause()
migration: Adjust locking in migration_maybe_pause()
migration: Adjust postcopy bandwidth during switchover
migration: Synchronize all CPU states only for non-iterable dump
migration: Drop inactivate_disk param in qemu_savevm_state_complete*
migration: Avoid two src-downtime-end tracepoints for postcopy
migration: Optimize postcopy on downtime by avoiding JSON writer
migration: Do not construct JSON description if suppressed
migration: Remove postcopy implications in should_send_vmdesc()
migration: cpr-transfer documentation
migration-test: cpr-transfer
tests/qtest: assert qmp connected
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

migration-test: cpr-transfer

Add a migration test for cpr-transfer mode. Defer the connection to the
target monitor, else the test hangs because in cpr-transfer mode QEMU does
not listen for monito

migration-test: cpr-transfer

Add a migration test for cpr-transfer mode. Defer the connection to the
target monitor, else the test hangs because in cpr-transfer mode QEMU does
not listen for monitor connections until we send the migrate command to
source QEMU.

To test -incoming defer, send a migrate incoming command to the target,
after sending the migrate command to the source, as required by
cpr-transfer mode.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/1736967650-129648-24-git-send-email-steven.sistare@oracle.com
[only allocate in_channels when needed]
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

migration-test: defer connection

Add an option to defer connection to the target monitor, needed by the
cpr-transfer test.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabi

migration-test: defer connection

Add an option to defer connection to the target monitor, needed by the
cpr-transfer test.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/1736967650-129648-21-git-send-email-steven.sistare@oracle.com
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

migration-test: memory_backend

Allow each migration test to define its own memory backend, replacing
the standard "-m <size>" specification.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>

migration-test: memory_backend

Allow each migration test to define its own memory backend, replacing
the standard "-m <size>" specification.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/1736967650-129648-18-git-send-email-steven.sistare@oracle.com
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

Merge tag 'qtest-20250117-pull-request' of https://gitlab.com/farosas/qemu into staging

Qtest pull request

- RISCV CSR test
- migration recover changed to OOB
- removal of dead code in test-x86-cpu

Merge tag 'qtest-20250117-pull-request' of https://gitlab.com/farosas/qemu into staging

Qtest pull request

- RISCV CSR test
- migration recover changed to OOB
- removal of dead code in test-x86-cpuid-compat

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# gpg: Signature made Fri 17 Jan 2025 09:54:22 EST
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# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.com>" [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: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D

* tag 'qtest-20250117-pull-request' of https://gitlab.com/farosas/qemu:
tests/qtest/test-x86-cpuid-compat: Remove tests related to pc-i440fx-2.3
tests/qtest/migration: Use out-of-band execution for migrate-recover
tests/qtest: Introduce qtest_init_with_env_and_capabilities()
tests/qtest: QTest example for RISC-V CSR register
target/riscv: Add RISC-V CSR qtest support

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

tests/qtest/migration: Use out-of-band execution for migrate-recover

In real use cases, the migrate-recover command requires out-of-band
execution, because the thread processing normal commands is b

tests/qtest/migration: Use out-of-band execution for migrate-recover

In real use cases, the migrate-recover command requires out-of-band
execution, because the thread processing normal commands is blocked by a
page fault in the guest memory. With this change, the tests will be
closer to real use cases and could help detect regressions and other
bugs in migration recovery.

Signed-off-by: Juraj Marcin <jmarcin@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

Merge tag 'qtest-20241212-pull-request' of https://gitlab.com/farosas/qemu into staging

Qtest pull request

- TIMEOUT_MULTIPLIER setting to allow tests to take longer when asan is enabled
- New qtes

Merge tag 'qtest-20241212-pull-request' of https://gitlab.com/farosas/qemu into staging

Qtest pull request

- TIMEOUT_MULTIPLIER setting to allow tests to take longer when asan is enabled
- New qtest_system_reset() wrapper to properly wait for a system reset
- Split of migration-test.c into multiple files under qtest/migration/

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# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.com>" [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: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D

* tag 'qtest-20241212-pull-request' of https://gitlab.com/farosas/qemu: (22 commits)
tests/qtest/migration: Split validation tests + misc
tests/qtest/migration-test: Fix and enable test_ignore_shared
tests/qtest/migration: Split CPR tests
tests/qtest/migration: Split precopy tests
tests/qtest/migration: Split file tests
tests/qtest/migration: Split postcopy tests
tests/qtest/migration: Split compression tests from migration-test.c
tests/qtest/migration: Split TLS tests from migration-test.c
tests/qtest/migration: Move common test code
tests/qtest/migration: Isolate test initialization
tests/qtest/migration: Move kvm_dirty_ring_supported to utils
tests/qtest/migration: Move ufd_version_check to utils
tests/qtest/migration: Rename migration-helpers.c
tests/qtest/migration: Move qmp helpers to a separate file
tests/qtest/migration: Move bootfile code to its own file
tests/migration: Disambiguate guestperf vs. a-b
tests/qtest/migration: Stop calling everything "test"
tests/qtest/migration: Standardize hook names
tests/qtest: Use qtest_system_reset_nowait() where appropriate
tests/qtest: Use qtest_system_reset() instead of open-coded versions
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

tests/qtest/migration: Split validation tests + misc

Move the remaining tests into a misc-tests.c file. These tests are
mostly about validation of input and should be in the future replaced
by unit

tests/qtest/migration: Split validation tests + misc

Move the remaining tests into a misc-tests.c file. These tests are
mostly about validation of input and should be in the future replaced
by unit testing.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

tests/qtest/migration: Split CPR tests

Move the mode/reboot test into a separate file to hold all the CPR
tests. Currently there's just one test, but we're adding more CPR
modes and the feature is d

tests/qtest/migration: Split CPR tests

Move the mode/reboot test into a separate file to hold all the CPR
tests. Currently there's just one test, but we're adding more CPR
modes and the feature is different enough from live migration that
it's worth it to have a separate file for it.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

tests/qtest/migration: Split precopy tests

Split the precopy tests from migration-test.c. This is the largest
group of tests and the more difficult one to break into smaller
groups, so move all of i

tests/qtest/migration: Split precopy tests

Split the precopy tests from migration-test.c. This is the largest
group of tests and the more difficult one to break into smaller
groups, so move all of it.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

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tests/qtest/migration: Split file tests

Split the file tests from migration-test.c. These are being moved to
their own file due to being special enough compared with the regular
stream migration. Th

tests/qtest/migration: Split file tests

Split the file tests from migration-test.c. These are being moved to
their own file due to being special enough compared with the regular
stream migration. There is also the entire mapped-ram feature which
depends on file migration.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

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tests/qtest/migration: Split postcopy tests

Split the next group of tests from migration-test.c, the postcopy
tests. This is another well-defined group of tests and postcopy is a
unique enough featu

tests/qtest/migration: Split postcopy tests

Split the next group of tests from migration-test.c, the postcopy
tests. This is another well-defined group of tests and postcopy is a
unique enough feature that it deserves it's own file.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

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tests/qtest/migration: Split compression tests from migration-test.c

Continuing the split of groups of tests from migration-test.c, split
the compression tests into their own file.

Reviewed-by: Pet

tests/qtest/migration: Split compression tests from migration-test.c

Continuing the split of groups of tests from migration-test.c, split
the compression tests into their own file.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

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tests/qtest/migration: Split TLS tests from migration-test.c

The migration-test.c file has become unwieldy large. It's quite
confusing to navigate with all the test definitions mixed with hook
defin

tests/qtest/migration: Split TLS tests from migration-test.c

The migration-test.c file has become unwieldy large. It's quite
confusing to navigate with all the test definitions mixed with hook
definitions. The TLS tests make this worse with ifdef'ery.

Since we're planning on having a smaller set of tests to run as smoke
testing on all architectures, I'm taking the time to split some tests
into their own file.

Move the TLS tests into a file of their own.

Acked-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

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tests/qtest/migration: Move common test code

The migration tests have a set of core infrastructure routines. These
are functions that are called by (almost) all tests and centralize the
common opera

tests/qtest/migration: Move common test code

The migration tests have a set of core infrastructure routines. These
are functions that are called by (almost) all tests and centralize the
common operations of: starting migration on both sides, waiting for
guests to boot, performing guest initialization and teardown, guest
memory validation, etc.

Move this basic framework code (and a few static helpers) into a
separate file. Leave only individual test functions (and their own
static helpers) in migration-test.c.

Acked-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

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