This is a regression test for a deadlock that occurred in block job
completion callbacks (via job_defer_to_main_loop) because the AioContext
lock was taken twice: once in job_finish_sync() and then again in
job_defer_to_main_loop_bh(). This would cause AIO_WAIT_WHILE() to hang.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
All callers in QEMU proper hold the AioContext lock when calling
job_finish_sync(). test-blockjob should do the same when it calls the
function indirectly through job_cancel_sync().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
This extends the existing drain test with a block job to include
variants where the block job runs in a different AioContext.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
We just fixed a bug that was causing a use-after-free when QEMU was
unable to create a temporary snapshot. This is a test case for this
scenario.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This adds some tests for block-commit with the new options top-node and
base-node (taking node names) instead of top and base (taking file
names).
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The exit callback in this test actually only performs cleanup.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20180906130225.5118-11-jsnow@redhat.com
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
We remove the exit callback and the completed boolean along with it.
We can simulate it just fine by waiting for the job to defer to the
main loop, and then giving it one final kick to get the main loop
portion to run.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20180906130225.5118-10-jsnow@redhat.com
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
These tests don't actually test blockjobs anymore, they test
generic Job lifetimes. Change the types accordingly.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20180906130225.5118-9-jsnow@redhat.com
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Here are the accumulated ppc target patches for the last several
weeks. Highlights are:
* A number of 40p / PReP cleanups
* Preliminary irq rework on the pseries machine towards the new
XIVE interrupt controller
There are a few patches which make small changes to generic device and
arm code as prerequisites to the 40p interrupt routing cleanup. They
have acks from the relevant maintainers.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-3.1-20180925' into staging
ppc patch queue 2018-09-25
Here are the accumulated ppc target patches for the last several
weeks. Highlights are:
* A number of 40p / PReP cleanups
* Preliminary irq rework on the pseries machine towards the new
XIVE interrupt controller
There are a few patches which make small changes to generic device and
arm code as prerequisites to the 40p interrupt routing cleanup. They
have acks from the relevant maintainers.
# gpg: Signature made Tue 25 Sep 2018 08:00:06 BST
# gpg: using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-3.1-20180925:
40p: add fixed IRQ routing for LSI SCSI device
lsi53c895a: add optional external IRQ via qdev
scsi: remove unused lsi53c895a_create() and lsi53c810_create() functions
scsi: move lsi53c8xx_create() callers to lsi53c8xx_handle_legacy_cmdline()
scsi: add lsi53c8xx_handle_legacy_cmdline() function
sm501: Adjust endianness of pixel value in rectangle fill
spapr_pci: add an extra 'nr_msis' argument to spapr_populate_pci_dt
spapr: increase the size of the IRQ number space
spapr: introduce a spapr_irq class 'nr_msis' attribute
40p: use OR gate to wire up raven PCI interrupts
raven: some minor IRQ-related tidy-ups
hw/ppc: on 40p machine, change default firmware to OpenBIOS
target/ppc/cpu-models: Re-group the 970 CPUs together again
Record history of ppcemb target in common.json
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is a small test that will check for the ability to parse
both legacy and modern options for rbd.
The way the test is set up is for failure to occur, but without
having to wait to timeout on a non-existent rbd server. The error
messages in the success path show that the arguments were parsed.
The failure behavior prior to the patch series that has this test, is
qemu-img complaining about mandatory options (e.g. 'pool') not being
provided.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: f830580e339b974a83ed4870d11adcdc17f49a47.1536704901.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
OpenBIOS gained 40p support in 5b20e4cace
Use it, instead of relying on an unmaintained and very limited firmware.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Here's another pull request for qemu-3.1. No real theme here, just an
assortment of various fixes. Probably the most notable thing is the
removal of the ppcemb target which has been deprecated for some time
now.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-3.1-20180907' into staging
ppc patch queue 2018-09-07
Here's another pull request for qemu-3.1. No real theme here, just an
assortment of various fixes. Probably the most notable thing is the
removal of the ppcemb target which has been deprecated for some time
now.
# gpg: Signature made Fri 07 Sep 2018 08:30:02 BST
# gpg: using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-3.1-20180907:
target-ppc: Extend HWCAP2 bits for ISA 3.0
target/ppc/kvm: set vcpu as online/offline
Fix a deadlock case in the CPU hotplug flow
spapr: Correct reference count on spapr-cpu-core
mac_newworld: implement custom FWPathProvider
uninorth: add ofw-addr property to allow correct fw path generation
mac_oldworld: implement custom FWPathProvider
grackle: set device fw_name and address for correct fw path generation
macio: add addr property to macio IDE object
macio: add macio bus to help with fw path generation
macio: move MACIOIDEState type declarations to macio.h
spapr_pci: fix potential NULL pointer dereference
spapr: fix leak of rev array
ppc: Remove deprecated ppcemb target
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When the lexer chokes on an input character, it consumes the
character, emits a JSON error token, and enters its start state. This
can lead to suboptimal error recovery. For instance, input
0123 ,
produces the tokens
JSON_ERROR 01
JSON_INTEGER 23
JSON_COMMA ,
Make the lexer skip characters after a lexical error until a
structural character ('[', ']', '{', '}', ':', ','), an ASCII control
character, or '\xFE', or '\xFF'.
Note that we must not skip ASCII control characters, '\xFE', '\xFF',
because those are documented to force the JSON parser into known-good
state, by docs/interop/qmp-spec.txt.
The lexer now produces
JSON_ERROR 01
JSON_COMMA ,
Update qmp-test for the nicer error recovery: QMP now reports just one
error for input %p instead of two. Also drop the newline after %p; it
was needed to tease out the second error.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180831075841.13363-5-armbru@redhat.com>
[Conflict with commit ebb4d82d88 resolved]
Markus spotted some issues with this new test case which
unfortunately I didn't notice had been flagged until after
I'd applied the pull request. Revert the relevant commit.
This reverts commit 2b70ea9276.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- split off the individual virtio-ccw devices into separate files
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20180829' into staging
- various fixes and improvements in the tcg code
- split off the individual virtio-ccw devices into separate files
# gpg: Signature made Wed 29 Aug 2018 10:38:03 BST
# gpg: using RSA key DECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg: aka "Cornelia Huck <cohuck@kernel.org>"
# gpg: aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck/tags/s390x-20180829:
target/s390x: use regular spaces in translate.c
hw/s390x: Move virtio-ccw-blk code to a separate file
hw/s390x: Move virtio-ccw-net code to a separate file
hw/s390x: Move virtio-ccw-input code to a separate file
hw/s390x: Move virtio-ccw-gpu code to a separate file
hw/s390x: Move vhost-vsock-ccw code to a separate file
hw/s390x: Move virtio-ccw-crypto code to a separate file
hw/s390x: Move virtio-ccw-9p code to a separate file
hw/s390x: Move virtio-ccw-rng code to a separate file
hw/s390x: Move virtio-ccw-scsi code to a separate file
hw/s390x: Move virtio-ccw-balloon code to a separate file
hw/s390x: Move virtio-ccw-serial code to a separate file
hw/s390x/virtio-ccw: Consolidate calls to virtio_ccw_unrealize()
target/s390x: fix PACK reading 1 byte less and writing 1 byte more
target/s390x: add EX support for TRT and TRTR
target/s390x: fix IPM polluting irrelevant bits
target/s390x: fix CSST decoding and runtime alignment check
target/s390x: add BAL and BALR instructions
tests/tcg: add a simple s390x test
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Don't generate handlers for IRQ levels that are not defined for the CPU
or for window overflow/underflow exceptions for configs w/o windowed
registers.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Not all CPU configurations may have enough space for handler code
between exception/interrupt vectors. Leave jumps to the handlers at the
vectors, but move all handlers past the vectors area.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Failed memory transactions should raise exceptions 14 (for fetch) or 15
(for load/store) with XEA2.
Memory accesses that result in TLB miss followed by an attempt to load
PTE from physical memory which fails should raise InstTLBMiss or
LoadStoreTLBMiss with XEA2.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
When a container fails, it leaves a dangling tarball which name is
based on a timestamp. Further uses of make won't clean those files,
neither calling the 'docker-clean' target.
Use the .DELETE_ON_ERROR built-in target to let make remove those
temporary tarballs in case of failure.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180818030337.22271-1-f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
As recommended in https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#sort-multi-line-arguments
"This helps to avoid duplication of packages and make the
list much easier to update. This also makes PRs a lot easier
to read and review."
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180818015344.797-4-f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
As recommended in https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#sort-multi-line-arguments
"This helps to avoid duplication of packages and make the
list much easier to update. This also makes PRs a lot easier
to read and review."
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180818015344.797-3-f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
As recommended in https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#sort-multi-line-arguments
"This helps to avoid duplication of packages and make the
list much easier to update. This also makes PRs a lot easier
to read and review."
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180818015344.797-2-f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
This patch fixes a race condition and test failure where the main process
waits for the signal of a thread but the thread already sent that signal
via a condition. Since these signals are non-sticky, we need to introduce a
separate variable to make this signal sticky.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Utilize the job_exit shim by not calling job_defer_to_main_loop, and
where applicable, converting the deferred callback into the job_exit
callback.
This converts backup, stream, create, and the unit tests all at once.
Most of these jobs do not see any changes to the order in which they
clean up their resources, except the test-blockjob-txn test, which
now puts down its bs before job_completed is called.
This is safe for the same reason the reordering in the mirror job is
safe, because job_completed no longer runs under two locks, making
the unref safe even if it causes a flush.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20180830015734.19765-7-jsnow@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Jobs presently use both an Error object in the case of the create job,
and char strings in the case of generic errors elsewhere.
Unify the two paths as just j->err, and remove the extra argument from
job_completed. The integer error code for job_completed is kept for now,
to be removed shortly in a separate patch.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20180830015734.19765-3-jsnow@redhat.com
[mreitz: Dropped a superfluous g_strdup()]
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Presently we codify the entry point for a job as the "start" callback,
but a more apt name would be "run" to clarify the idea that when this
function returns we consider the job to have "finished," except for
any cleanup which occurs in separate callbacks later.
As part of this clarification, change the signature to include an error
object and a return code. The error ptr is not yet used, and the return
code while captured, will be overwritten by actions in the job_completed
function.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20180830015734.19765-2-jsnow@redhat.com
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Verify the usage of this schema feature and the API behaviour. This
should be the only case where qmp_dispatch() returns NULL.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
test_qom_set_without_value() is about a bug in infrastructure used by
the QMP core, fixed in commit c489780203. We covered the bug in
infrastructure unit tests (commit bce3035a44). I wrote that test
earlier, to cover QMP level as well, the test could go into qmp-test.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
test_object_add_without_props() tests a bug in qmp_object_add() we
fixed in commit e64c75a975. Sadly, we don't have systematic
object-add tests. This lone test can go into qmp-cmd-test for want of
a better home.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This helper will simplify a bunch of code checking for QMP errors and
can be shared by various tests. Note that test-qga does check for
error description as well, so don't replace the code there for now.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
During development, I got a 'make check' failure that claimed:
qemu-img returned status code 32512
**
ERROR:tests/libqos/libqos.c:202:mkimg: assertion failed: (!rc)
But 32512 is too big for a normal exit status value, which means we
failed to use WEXITSTATUS() to shift the bits to the desired value
for printing. However, instead of worrying about how to portably
parse g_spawn()'s rc in the proper platform-dependent manner, it's
better to just rely on the fact that we now require glib 2.40 (since
commit e7b3af815) and can therefore use glib's portable checker
instead, where the message under my same condition improves to:
Child process exited with code 127
**
ERROR:tests/libqos/libqos.c:192:mkimg: assertion failed: (ret && !err)
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The generated qapi_event_send_FOO() take an Error ** argument. They
can't actually fail, because all they do with the argument is passing it
to functions that can't fail: the QObject output visitor, and the
@qmp_emit callback, which is either monitor_qapi_event_queue() or
event_test_emit().
Drop the argument, and pass &error_abort to the QObject output visitor
and @qmp_emit instead.
Suggested-by: Eric Blake <eblake@redhat.com>
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180815133747.25032-4-peterx@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message rewritten, update to qapi-code-gen.txt corrected]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
PACK fails on the test from the Principles of Operation: F1F2F3F4
becomes 0000234C instead of 0001234C due to an off-by-one error.
Furthermore, it overwrites one extra byte to the left of F1.
If len_dest is 0, then we only want to flip the 1st byte and never loop
over the rest. Therefore, the loop condition should be > and not >=.
If len_src is 1, then we should flip the 1st byte and pack the 2nd.
Since len_src is already decremented before the loop, the first
condition should be >=, and not >.
Likewise for len_src == 2 and the second condition.
Signed-off-by: Pavel Zbitskiy <pavel.zbitskiy@gmail.com>
Message-Id: <20180821025104.19604-7-pavel.zbitskiy@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Improves "b213c9f5: target/s390x: Implement TRTR" by introducing the
intermediate functions, which are compatible with dx_helper type.
Signed-off-by: Pavel Zbitskiy <pavel.zbitskiy@gmail.com>
Message-Id: <20180821025104.19604-6-pavel.zbitskiy@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Suppose psw.mask=0x0000000080000000, cc=2, r1=0 and we do "ipm 1".
This command must touch only bits 32-39, so the expected output
is r1=0x20000000. However, currently qemu yields r1=0x20008000,
because irrelevant parts of PSW leak into r1 during program mask
transfer.
Signed-off-by: Pavel Zbitskiy <pavel.zbitskiy@gmail.com>
Message-Id: <20180821025104.19604-5-pavel.zbitskiy@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
CSST is defined as:
C(0xc802, CSST, SSF, CASS, la1, a2, 0, 0, csst, 0)
It means that the first parameter is handled by in1_la1().
in1_la1() fills addr1 field, and not in1.
Furthermore, when extract32() is used for the alignment check, the
third parameter should specify the number of trailing bits that must
be 0. For FC these numbers are:
FC=0 (word, 4 bytes): 2
FC=1 (double word, 8 bytes): 3
FC=2 (quad word, 16 bytes): 4
For SC these numbers correspond to the size:
SC=0: 0
SC=1: 1
SC=2: 2
SC=3: 3
SC=4: 4
Signed-off-by: Pavel Zbitskiy <pavel.zbitskiy@gmail.com>
Message-Id: <20180821025104.19604-4-pavel.zbitskiy@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
There is no known available OS for ppc around anymore that uses page
sizes below 4k, so it does not make much sense that we keep wasting
our time on building and testing the ppcemb-softmmu target. It has
been deprecated since two releases, and nobody complained, so let's
remove this now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
It is already protected by CONFIG_ISA_TESTDEV in all architectures.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
We protect it with CONFIG_VMXNET3_PCI now, so no need to also put it
on i386.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This is only for x86* architecture.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Once there, untangle endianness-test and boot-serial-test.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
boot-serial-test don't depend on isa-testdev. Thanks Thomas.
The previous commit makes JSON strings containing '%' awkward to
express in templates: you'd have to mask the '%' with an Unicode
escape \u0025. No template currently contains such JSON strings.
Support the printf conversion specification %% in JSON strings as a
convenience anyway, because it's trivially easy to do.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-58-armbru@redhat.com>
The JSON parser optionally supports interpolation. This is used to
build QObjects by parsing string templates. The templates are C
literals, so parse errors (such as invalid interpolation
specifications) are actually programming errors. Consequently, the
functions providing parsing with interpolation
(qobject_from_jsonf_nofail(), qobject_from_vjsonf_nofail(),
qdict_from_jsonf_nofail(), qdict_from_vjsonf_nofail()) pass
&error_abort to the parser.
However, there's another, more dangerous kind of programming error:
since we use va_arg() to get the value to interpolate, behavior is
undefined when the variable argument isn't consistent with the
interpolation specification.
The same problem exists with printf()-like functions, and the solution
is to have the compiler check consistency. This is what
GCC_FMT_ATTR() is about.
To enable this type checking for interpolation as well, we carefully
chose our interpolation specifications to match printf conversion
specifications, and decorate functions parsing templates with
GCC_FMT_ATTR().
Note that this only protects against undefined behavior due to type
errors. It can't protect against use of invalid interpolation
specifications that happen to be valid printf conversion
specifications.
However, there's still a gaping hole in the type checking: GCC
recognizes '%' as start of printf conversion specification anywhere in
the template, but the parser recognizes it only outside JSON strings.
For instance, if someone were to pass a "{ '%s': %d }" template, GCC
would require a char * and an int argument, but the parser would
va_arg() only an int argument, resulting in undefined behavior.
Avoid undefined behavior by catching the programming error at run
time: have the parser recognize and reject '%' in JSON strings.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-57-armbru@redhat.com>
test_after_failed_device_add() does this:
response = qmp("{'execute': 'device_add',"
" 'arguments': {"
" 'driver': 'virtio-blk-%s',"
" 'drive': 'drive0'"
"}}", qvirtio_get_dev_type());
Wrong. An interpolation specification must be a JSON token, it
doesn't work within JSON string tokens. The code above doesn't use
the value of qvirtio_get_dev_type(), and sends arguments
{"driver": "virtio-blk-%s", "drive": "drive0"}}
The command fails because there is no driver named "virtio-blk-%".
Harmless, since the test wants the command to fail. Screwed up in
commit 2f84a92ec6.
Fix the obvious way. The command now fails because the drive is
empty, like it did before commit 2f84a92ec6.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-55-armbru@redhat.com>
The JSON parser has three public headers, json-lexer.h, json-parser.h,
json-streamer.h. They all contain stuff that is of no interest
outside qobject/json-*.c.
Collect the public interface in include/qapi/qmp/json-parser.h, and
everything else in qobject/json-parser-int.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-54-armbru@redhat.com>
The last case where qobject_from_json() & friends return null without
setting an error is empty or blank input. Callers:
* block.c's parse_json_protocol() reports "Could not parse the JSON
options". It's marked as a work-around, because it also covered
actual bugs, but they got fixed in the previous few commits.
* qobject_input_visitor_new_str() reports "JSON parse error". Also
marked as work-around. The recent fixes have made this unreachable,
because it currently gets called only for input starting with '{'.
* check-qjson.c's empty_input() and blank_input() demonstrate the
behavior.
* The other callers are not affected since they only pass input with
exactly one JSON value or, in the case of negative tests, one error.
Fail with "Expecting a JSON value" instead of returning null, and
simplify callers.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-48-armbru@redhat.com>
json_message_process_token() accumulates tokens until it got the
sequence of tokens that comprise a single JSON value (it counts curly
braces and square brackets to decide). It feeds those token sequences
to json_parser_parse(). If a non-empty sequence of tokens remains at
the end of the parse, it's silently ignored. check-qjson.c cases
unterminated_array(), unterminated_array_comma(), unterminated_dict(),
unterminated_dict_comma() demonstrate this bug.
Fix as follows. Introduce a JSON_END_OF_INPUT token. When the
streamer receives it, it feeds the accumulated tokens to
json_parser_parse().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-46-armbru@redhat.com>
qobject_from_json() & friends use the consume_json() callback to
receive either a value or an error from the parser.
When they are fed a string that contains more than either one JSON
value or one JSON syntax error, consume_json() gets called multiple
times.
When the last call receives a value, qobject_from_json() returns that
value. Any other values are leaked.
When any call receives an error, qobject_from_json() sets the first
error received. Any other errors are thrown away.
When values follow errors, qobject_from_json() returns both a value
and sets an error. That's bad. Impact:
* block.c's parse_json_protocol() ignores and leaks the value. It's
used to to parse pseudo-filenames starting with "json:". The
pseudo-filenames can come from the user or from image meta-data such
as a QCOW2 image's backing file name.
* vl.c's parse_display_qapi() ignores and leaks the error. It's used
to parse the argument of command line option -display.
* vl.c's main() case QEMU_OPTION_blockdev ignores the error and leaves
it in @err. main() will then pass a pointer to a non-null Error *
to net_init_clients(), which is forbidden. It can lead to assertion
failure or other misbehavior.
* check-qjson.c's multiple_values() demonstrates the badness.
* The other callers are not affected since they only pass strings with
exactly one JSON value or, in the case of negative tests, one
error.
The impact on the _nofail() functions is relatively harmless. They
abort when any call receives an error. Else they return the last
value, and leak the others, if any.
Fix consume_json() as follows. On the first call, save value and
error as before. On subsequent calls, if any, don't save them. If
the first call saved a value, the next call, if any, replaces the
value by an "Expecting at most one JSON value" error. Take care not
to leak values or errors that aren't saved.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-44-armbru@redhat.com>
Support for %I64d got added in commit 2c0d4b36e7 "json: fix PRId64 on
Win32". We had to hard-code I64d because we used the lexer's finite
state machine to check interpolations. No more, so clean this up.
Additional conversion specifications would be easy enough to implement
when needed.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-42-armbru@redhat.com>
Both lexer and parser reject invalid interpolation specifications.
The parser's check is useless.
The lexer ends the token right after the first bad character. This
tends to lead to suboptimal error reporting. For instance, input
[ %04d ]
produces the tokens
JSON_LSQUARE [
JSON_ERROR %0
JSON_INTEGER 4
JSON_KEYWORD d
JSON_RSQUARE ]
The parser then yields an error, an object and two more errors:
error: Invalid JSON syntax
object: 4
error: JSON parse error, invalid keyword
error: JSON parse error, expecting value
Dumb down the lexer to accept [A-Za-z0-9]*. The parser's check is now
used. Emit a proper error there.
The lexer now produces
JSON_LSQUARE [
JSON_INTERP %04d
JSON_RSQUARE ]
and the parser reports just
JSON parse error, invalid interpolation '%04d'
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-41-armbru@redhat.com>
The callback to consume JSON values takes QObject *json, Error *err.
If both are null, the callback is supposed to make up an error by
itself. This sucks.
qjson.c's consume_json() neglects to do so, which makes
qobject_from_json() null instead of failing. I consider that a bug.
The culprit is json_message_process_token(): it passes two null
pointers when it runs into a lexical error or a limit violation. Fix
it to pass a proper Error object then. Update the callbacks:
* monitor.c's handle_qmp_command(): the code to make up an error is
now dead, drop it.
* qga/main.c's process_event(): lumps the "both null" case together
with the "not a JSON object" case. The former is now gone. The
error message "Invalid JSON syntax" is misleading for the latter.
Improve it to "Input must be a JSON object".
* qobject/qjson.c's consume_json(): no update; check-qjson
demonstrates qobject_from_json() now sets an error on lexical
errors, but still doesn't on some other errors.
* tests/libqtest.c's qmp_response(): the Error object is now reliable,
so use it to improve the error message.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-40-armbru@redhat.com>
The JSON parser optionally supports interpolation. The lexer
recognizes interpolation tokens unconditionally. The parser rejects
them when interpolation is disabled, in parse_interpolation().
However, it neglects to set an error then, which can make
json_parser_parse() fail without setting an error.
Move the check for unwanted interpolation from the parser's
parse_interpolation() into the lexer's finite state machine. When
interpolation is disabled, '%' is now handled like any other
unexpected character.
The next commit will improve how such lexical errors are handled.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-39-armbru@redhat.com>
The classical way to structure parser and lexer is to have the client
call the parser to get an abstract syntax tree, the parser call the
lexer to get the next token, and the lexer call some function to get
input characters.
Another way to structure them would be to have the client feed
characters to the lexer, the lexer feed tokens to the parser, and the
parser feed abstract syntax trees to some callback provided by the
client. This way is more easily integrated into an event loop that
dispatches input characters as they arrive.
Our JSON parser is kind of between the two. The lexer feeds tokens to
a "streamer" instead of a real parser. The streamer accumulates
tokens until it got the sequence of tokens that comprise a single JSON
value (it counts curly braces and square brackets to decide). It
feeds those token sequences to a callback provided by the client. The
callback passes each token sequence to the parser, and gets back an
abstract syntax tree.
I figure it was done that way to make a straightforward recursive
descent parser possible. "Get next token" becomes "pop the first
token off the token sequence". Drawback: we need to store a complete
token sequence. Each token eats 13 + input characters + malloc
overhead bytes.
Observations:
1. This is not the only way to use recursive descent. If we replaced
"get next token" by a coroutine yield, we could do without a
streamer.
2. The lexer reports errors by passing a JSON_ERROR token to the
streamer. This communicates the offending input characters and
their location, but no more.
3. The streamer reports errors by passing a null token sequence to the
callback. The (already poor) lexical error information is thrown
away.
4. Having the callback receive a token sequence duplicates the code to
convert token sequence to abstract syntax tree in every callback.
5. Known bug: the streamer silently drops incomplete token sequences.
This commit rectifies 4. by lifting the call of the parser from the
callbacks into the streamer. Later commits will address 3. and 5.
The lifting removes a bug from qjson.c's parse_json(): it passed a
pointer to a non-null Error * in certain cases, as demonstrated by
check-qjson.c.
json_parser_parse() is now unused. It's a stupid wrapper around
json_parser_parse_err(). Drop it, and rename json_parser_parse_err()
to json_parser_parse().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-35-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-31-armbru@redhat.com>
The JSON parser treats each half of a surrogate pair as unpaired
surrogate. Fix it to recognize surrogate pairs.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-30-armbru@redhat.com>
The JSON parser translates invalid \uXXXX to garbage instead of
rejecting it, and swallows \u0000.
Fix by using mod_utf8_encode() instead of flawed wchar_to_utf8().
Valid surrogate pairs are now differently broken: they're rejected
instead of translated to garbage. The next commit will fix them.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-29-armbru@redhat.com>
Since the JSON grammer doesn't accept U+0000 anywhere, this merely
exchanges one kind of parse error for another. It's purely for
consistency with qobject_to_json(), which accepts \xC0\x80 (see commit
e2ec3f9768).
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-26-armbru@redhat.com>
We reject bytes that can't occur in valid UTF-8 (\xC0..\xC1,
\xF5..\xFF in the lexer. That's insufficient; there's plenty of
invalid UTF-8 not containing these bytes, as demonstrated by
check-qjson:
* Malformed sequences
- Unexpected continuation bytes
- Missing continuation bytes after start bytes other than
\xC0..\xC1, \xF5..\xFD.
* Overlong sequences with start bytes other than \xC0..\xC1,
\xF5..\xFD.
* Invalid code points
Fixing this in the lexer would be bothersome. Fixing it in the parser
is straightforward, so do that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-23-armbru@redhat.com>
The JSON parser rejects some invalid sequences, but accepts others
without correcting the problem.
We should either reject all invalid sequences, or minimize overlong
sequences and replace all other invalid sequences by a suitable
replacement character. A common choice for replacement is U+FFFD.
I'm going to implement the former. Update the comments in
utf8_string() to expect this.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-22-armbru@redhat.com>
Fix the lexer to reject unescaped control characters in JSON strings,
in accordance with RFC 8259 "The JavaScript Object Notation (JSON)
Data Interchange Format".
Bonus: we now recover more nicely from unclosed strings. E.g.
{"one: 1}\n{"two": 2}
now recovers cleanly after the newline, where before the lexer
remained confused until the next unpaired double quote or lexical
error.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-19-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-17-armbru@redhat.com>
RFC 8259 "The JavaScript Object Notation (JSON) Data Interchange
Format" requires control characters in strings to be escaped.
Demonstrate the JSON parser accepts U+0001 .. U+001F unescaped.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-16-armbru@redhat.com>
Some of utf8_string()'s test_cases[] contain multiple invalid
sequences. Testing that qobject_from_json() fails only tests we
reject at least one invalid sequence. That's incomplete.
Additionally test each non-space sequence in isolation.
This demonstrates that the JSON parser accepts invalid sequences
starting with \xC2..\xF4. Add a FIXME comment.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-15-armbru@redhat.com>
The previous commit made utf8_string()'s test_cases[].utf8_in
superfluous: we can use .json_in instead. Except for the case testing
U+0000. \x00 doesn't work in C strings, so it tests \\u0000 instead.
But testing \\uXXXX is escaped_string()'s job. It's covered there.
Test U+0001 here, and drop .utf8_in.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-14-armbru@redhat.com>
utf8_string() tests only double quoted strings. Cover single quoted
strings, too: store the strings to test without quotes, then wrap them
in either kind of quote.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-13-armbru@redhat.com>
simple_string() and single_quote_string() have become redundant with
escaped_string(), except for embedded single and double quotes.
Replace them by a test that covers just that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-12-armbru@redhat.com>
Cover escaped single quote, surrogates, invalid escapes, and
noncharacters. This demonstrates that valid surrogate pairs are
misinterpreted, and invalid surrogates and noncharacters aren't
rejected.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-11-armbru@redhat.com>
Merge a few closely related test strings, and drop a few redundant
ones.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-10-armbru@redhat.com>
escaped_string() first tests double quoted strings, then repeats a few
tests with single quotes. Repeat all of them: store the strings to
test without quotes, and wrap them in either kind of quote for
testing.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-9-armbru@redhat.com>
To permit recovering from arbitrary JSON parse errors, the JSON parser
resets itself on lexical errors. We recommend sending a 0xff byte for
that purpose, and test-qga covers this usage since commit 5229564b83.
That commit had to add an ugly hack to qmp_fd_vsend() to make capable
of sending this byte (it's designed to send only valid JSON).
The previous commit added a way to send arbitrary text. Put that to
use for this purpose, and drop the hack from qmp_fd_vsend().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-8-armbru@redhat.com>
qmp-test neglects to cover QMP input that isn't valid JSON. libqtest
doesn't let us send such input. Add qtest_qmp_send_raw() for this
purpose, and put it to use in qmp-test.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-7-armbru@redhat.com>
[Commit message typo fixed]
qmp-test is for QMP protocol tests. Commit e4a426e75e added generic,
basic tests of query commands to it. Move them to their own test
program qmp-cmd-test, to keep qmp-test focused on the protocol.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-6-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-5-armbru@redhat.com>
qobject_from_json() can return null without setting an error on
lexical errors. I call that a bug. Add test coverage to demonstrate
it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-4-armbru@redhat.com>
qobject_from_json() & friends misbehave when the JSON text has more
than one JSON value. Add test coverage to demonstrate the bugs.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-3-armbru@redhat.com>
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Merge remote-tracking branch 'remotes/juanquintela/tags/check/20180822' into staging
check/next for 20180822
# gpg: Signature made Wed 22 Aug 2018 09:03:40 BST
# gpg: using RSA key F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg: aka "Juan Quintela <quintela@trasno.org>"
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723
* remotes/juanquintela/tags/check/20180822:
check: Only test tpm devices when they are compiled in
check: Only test usb-ehci when it is compiled in
check: Only test usb-uhci devices when they are compiled in
check: Only test usb-ohci when it is compiled in
check: Only test nvme when it is compiled in
check: Only test pvpanic when it is compiled in
check: Only test wdt_ib700 when it is compiled in
check: Only test sdhci when it is compiled in
check: Only test i82801b11 when it is compiled in
check: Only test ioh3420 when it is compiled in
check: Only test ipack when it is compiled in
check: Only test hda when it is compiled in
check: Only test ac97 when it is compiled in
check: Only test es1370 when it is compiled in
check: Only test rtl8139 when it is compiled in
check: Only test pcnet when it is compiled in
check: Only test eepro100 when it is compiled in
check: Only test ne2000 when it is compiled in
check: Only test vmxnet3 when it is compiled in
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The VM tests currently have a timeout of 2 minutes for trying
to connect to ssh. Since the guest VM has to boot from cold
to the point of accepting inbound ssh during this time, if the
host machine is heavily loaded it can spuriously time out.
Increase the timeout from 2 to 5 minutes.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Fam Zheng <famz@redhat.com>
Message-id: 20180823112153.15279-1-peter.maydell@linaro.org
* qumu-guest-agent freeze-hook tweak (Christian)
* pm_smbus improvements (Corey)
* Move validation to pre_plug for pc-dimm (David)
* Fix memory leaks (Eduardo, Marc-André)
* synchronization profiler (Emilio)
* Convert the CPU list to RCU (Emilio)
* LSI support for PPR Extended Message (George)
* vhost-scsi support for protection information (Greg)
* Mark mptsas as a storage device in the help (Guenter)
* checkpatch tweak cherry-picked from Linux (me)
* Typos, cleanups and dead-code removal (Julia, Marc-André)
* qemu-pr-helper support for old libmultipath (Murilo)
* Annotate fallthroughs (me)
* MemoryRegionOps cleanup (me, Peter)
* Make s390 qtests independent from libqos, which doesn't actually support it (me)
* Make cpu_get_ticks independent from BQL (me)
* Introspection fixes (Thomas)
* Support QEMU_MODULE_DIR environment variable (ryang)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* x86 TCG fixes for 64-bit call gates (Andrew)
* qumu-guest-agent freeze-hook tweak (Christian)
* pm_smbus improvements (Corey)
* Move validation to pre_plug for pc-dimm (David)
* Fix memory leaks (Eduardo, Marc-André)
* synchronization profiler (Emilio)
* Convert the CPU list to RCU (Emilio)
* LSI support for PPR Extended Message (George)
* vhost-scsi support for protection information (Greg)
* Mark mptsas as a storage device in the help (Guenter)
* checkpatch tweak cherry-picked from Linux (me)
* Typos, cleanups and dead-code removal (Julia, Marc-André)
* qemu-pr-helper support for old libmultipath (Murilo)
* Annotate fallthroughs (me)
* MemoryRegionOps cleanup (me, Peter)
* Make s390 qtests independent from libqos, which doesn't actually support it (me)
* Make cpu_get_ticks independent from BQL (me)
* Introspection fixes (Thomas)
* Support QEMU_MODULE_DIR environment variable (ryang)
# gpg: Signature made Thu 23 Aug 2018 17:46:30 BST
# gpg: using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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: (69 commits)
KVM: cleanup unnecessary #ifdef KVM_CAP_...
target/i386: update MPX flags when CPL changes
i2c: pm_smbus: Add the ability to force block transfer enable
i2c: pm_smbus: Don't delay host status register busy bit when interrupts are enabled
i2c: pm_smbus: Add interrupt handling
i2c: pm_smbus: Add block transfer capability
i2c: pm_smbus: Make the I2C block read command read-only
i2c: pm_smbus: Fix the semantics of block I2C transfers
i2c: pm_smbus: Clean up some style issues
pc-dimm: assign and verify the "addr" property during pre_plug
pc: drop memory region alignment check for 0
util/oslib-win32: indicate alignment for qemu_anon_ram_alloc()
pc-dimm: assign and verify the "slot" property during pre_plug
ipmi: Use proper struct reference for BT vmstate
vhost-scsi: expose 't10_pi' property for VIRTIO_SCSI_F_T10_PI
vhost-scsi: unify vhost-scsi get_features implementations
vhost-user-scsi: move host_features into VHostSCSICommon
cpus: allow cpu_get_ticks out of BQL
cpus: protect TimerState writes with a spinlock
seqlock: add QemuLockable support
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
So that we can test other implementations.
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20180819091335.22863-8-cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Instead of declaring it volatile.
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20180819091335.22863-6-cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The check should be unnecessary since commit
e7b3af8159 "glib: bump min required glib
library version to 2.40".
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180730153639.26466-1-marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When used together with -m, this allows us to benchmark the
profiler's performance impact on qemu_mutex_lock.
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
