with max-bytes set to 0, quota is 0 and so device does not work.
block this to avoid user confusion
Message-Id: <73a89a42d82ec8b47358f25119b87063e4a6ea57.1721818306.git.mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Similar to qemu-pr-helper, do not print errors from the socket handling loop
unless a --verbose or -v option is provided explicitly on the command line.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Between v5 and v6 of the series, the socket loop of qemu-vmsr-helper was changed to
allow sending multiple requests on the same socket. Unfortunately, the condition
of the while loop is botched and the loop will never be entered. Clean it up, and
also unify the handling of error reporting.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fix leaking memory of file handle in case of error
Erase unused "pid = -1"
Add clearer error_report
Should fix Coverity CID 1558557.
Signed-off-by: Anthony Harivel <aharivel@redhat.com>
Link: https://lore.kernel.org/r/20240726102632.1324432-3-aharivel@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
As SDM stated, CPUID 0x12 leaves depend on CPUID_7_0_EBX_SGX (SGX
feature word).
Since FEAT_SGX_12_0_EAX, FEAT_SGX_12_0_EBX and FEAT_SGX_12_1_EAX define
multiple feature words, add the dependencies of those registers to
report the warning to user if SGX is absent.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20240730045544.2516284-4-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
At present, cpu_x86_cpuid() silently masks off SGX_LC if SGX is absent.
This is not proper because the user is not told about the dependency
between the two.
So explicitly define the dependency between SGX_LC and SGX feature
words, so that user could get a warning when SGX_LC is enabled but
SGX is absent.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20240730045544.2516284-3-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
CPUID.0x7.0.ebx and CPUID.0x7.0.ecx leaves have been expressed as the
feature word lists, and the Host capability support has been checked
in x86_cpu_filter_features().
Therefore, such checks on SGX feature "words" are redundant, and
the follow-up adjustments to those feature "words" will not actually
take effect.
Remove unnecessary SGX feature words related checks.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20240730045544.2516284-2-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The feature word 'r' is a u64, and "unavail" is a u32, the operation
'r &= ~unavail' clears the high 32 bits of 'r'. This causes many vmx cases
in kvm-unit-tests to fail. Changing 'unavail' from u32 to u64 fixes this
issue.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2442
Fixes: 0b2757412c ("target/i386: drop AMD machine check bits from Intel CPUID")
Signed-off-by: Xiong Zhang <xiong.y.zhang@linux.intel.com>
Link: https://lore.kernel.org/r/20240730082927.250180-1-xiong.y.zhang@linux.intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- display packages in CI builds to catch changes
- stop compiler complaining about exec stacks in test cases
- stop loongarch compiler complaining about rwx in test cases
- improve docs on running TCG tests
- remove old unneeded avocado test for memory callback testing
- move test plugins into tcg testing dir
- clean-up and move plugin documentation to emulation section
- remove dead code from cache modelling plugin
- add compatibility workaround for lockstep plugin
- make some noise when building contrib plugins
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Merge tag 'pull-maintainer-9.1-rc1-300724-1' of https://gitlab.com/stsquad/qemu into staging
Minor bug fixes and documentation cleanups:
- display packages in CI builds to catch changes
- stop compiler complaining about exec stacks in test cases
- stop loongarch compiler complaining about rwx in test cases
- improve docs on running TCG tests
- remove old unneeded avocado test for memory callback testing
- move test plugins into tcg testing dir
- clean-up and move plugin documentation to emulation section
- remove dead code from cache modelling plugin
- add compatibility workaround for lockstep plugin
- make some noise when building contrib plugins
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# gpg: Signature made Tue 30 Jul 2024 08:54:36 PM AEST
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
* tag 'pull-maintainer-9.1-rc1-300724-1' of https://gitlab.com/stsquad/qemu:
plugin/loader: handle basic help query
contrib/plugins: add compat for g_memdup2
contrib/plugins: be more vocal building
contrib/plugins/cache.c: Remove redundant check of l2_access
docs: split TCG plugin usage from devel section
tests/tcg: move test plugins into tcg subdir
tests/avocado: remove tcg_plugins virt_mem_icount test
docs/devel: document how to run individual TCG tests
docs/devel: update the testing introduction
tests/tcg: update README
tests/tcg/loongarch64: Use --no-warn-rwx-segments to link system tests
tests/tcg: Use --noexecstack with assembler files
gitlab: display /packages.txt in build jobs
gitlab: record installed packages in /packages.txt in containers
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Our official support policy only supports the most recent two
versions of macOS (currently macOS 13 Ventura and macOS 14 Sonoma),
and we already have code that assumes at least macOS 12 Monterey or
better. In commit 2d27c91e2b we dropped some of the back-compat
code for older macOS versions, but missed the guard in osdep.h that
is providing a fallback for macOS 10 and earlier.
Simplify the ifdef to the "ifdef __APPLE__" that we use elsewhere for
"is this macOS?".
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240730095939.2781172-1-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The asset used in the mentioned test gets truncated before it's used
in the test. This means that the file gets modified, and thus the
asset's expected hash doesn't match anymore. This causes cache misses
and re-downloads every time the test is re-run.
Let's make a copy of the asset so that the one in the cache is
preserved and the cache sees a hit on re-runs.
Signed-off-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240726134438.14720-9-crosa@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Avocado's fetchasset plugin runs before the actual Avocado job (and
any test). It analyses the test's code looking for occurrences of
"self.fetch_asset()" in the either the actual test or setUp() method.
It's not able to fully analyze all code, though.
The way these tests are written, make the fetchasset plugin blind to
the assets. This adds some more code duplication, true, but it will
aid the fetchasset plugin to download or verify the existence of these
assets in advance.
Signed-off-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240726134438.14720-3-crosa@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The SSL certificate installed at mipsdistros.mips.com has expired:
0 s:CN = mipsdistros.mips.com
i:C = US, O = Amazon, OU = Server CA 1B, CN = Amazon
a:PKEY: rsaEncryption, 2048 (bit); sigalg: RSA-SHA256
v:NotBefore: Dec 23 00:00:00 2019 GMT; NotAfter: Jan 23 12:00:00 2021 GMT
Because this project has no control over that certificate and host,
this falls back to plain HTTP instead. The integrity of the
downloaded files can be guaranteed by the existing hashes for those
files (which are not modified here).
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240726134438.14720-2-crosa@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
In newer versions of Sphinx the env.doc2path() API is going to change
to return a Path object rather than a str. This was originally visible
in Sphinx 8.0.0rc1, but has been rolled back for the final 8.0.0
release. However it will probably emit a deprecation warning and is
likely to change for good in 9.0:
https://github.com/sphinx-doc/sphinx/issues/12686
Our use in depfile.py assumes a str, and if it is passed a Path
it will fall over:
Handler <function write_depfile at 0x77a1775ff560> for event 'build-finished' threw an exception (exception: unsupported operand type(s) for +: 'PosixPath' and 'str')
Wrapping the env.doc2path() call in str() will coerce a Path object
to the str we expect, and have no effect in older Sphinx versions
that do return a str.
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2458
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240729120533.2486427-1-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
To make sure that the QAPI description stays valid, add a testcase.
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/qemu-devel/d9ce0234-4beb-4b90-b14c-76810d3b81d7@linaro.org/
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240724-qapi-firmware-json-v7-1-12341f7e362d@linutronix.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
* hw/char/bcm2835_aux: Fix assert when receive FIFO fills up
* hw/arm/smmuv3: Assert input to oas2bits() is valid
* target/arm/kvm: Set PMU for host only when available
* target/arm/kvm: Do not silently remove PMU
* hvf: arm: Properly disable PMU
* hvf: arm: Do not advance PC when raising an exception
* hw/misc/bcm2835_property: several minor bugfixes
* target/arm: Don't assert for 128-bit tile accesses when SVL is 128
* target/arm: Fix UMOPA/UMOPS of 16-bit values
* target/arm: Ignore SMCR_EL2.LEN and SVCR_EL2.LEN if EL2 is not enabled
* system/physmem: Where we assume we have a RAM MR, assert it
* sh4, i386, m68k, xtensa, tricore, arm: fix minor Coverity issues
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Merge tag 'pull-target-arm-20240730' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* hw/char/bcm2835_aux: Fix assert when receive FIFO fills up
* hw/arm/smmuv3: Assert input to oas2bits() is valid
* target/arm/kvm: Set PMU for host only when available
* target/arm/kvm: Do not silently remove PMU
* hvf: arm: Properly disable PMU
* hvf: arm: Do not advance PC when raising an exception
* hw/misc/bcm2835_property: several minor bugfixes
* target/arm: Don't assert for 128-bit tile accesses when SVL is 128
* target/arm: Fix UMOPA/UMOPS of 16-bit values
* target/arm: Ignore SMCR_EL2.LEN and SVCR_EL2.LEN if EL2 is not enabled
* system/physmem: Where we assume we have a RAM MR, assert it
* sh4, i386, m68k, xtensa, tricore, arm: fix minor Coverity issues
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# gpg: Signature made Tue 30 Jul 2024 07:39:12 PM AEST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
* tag 'pull-target-arm-20240730' of https://git.linaro.org/people/pmaydell/qemu-arm: (21 commits)
system/physmem: Where we assume we have a RAM MR, assert it
target/sh4: Avoid shift into sign bit in update_itlb_use()
target/i386: Remove dead assignment to ss in do_interrupt64()
target/m68k: avoid shift into sign bit in dump_address_map()
target/xtensa: Make use of 'segment' in pptlb helper less confusing
target/tricore: Use unsigned types for bitops in helper_eq_b()
target/arm: Ignore SMCR_EL2.LEN and SVCR_EL2.LEN if EL2 is not enabled
target/arm: Avoid shifts by -1 in tszimm_shr() and tszimm_shl()
target/arm: Fix UMOPA/UMOPS of 16-bit values
target/arm: Don't assert for 128-bit tile accesses when SVL is 128
hw/misc/bcm2835_property: Reduce scope of variables in mbox push function
hw/misc/bcm2835_property: Restrict scope of start_num, number, otp_row
hw/misc/bcm2835_property: Avoid overflow in OTP access properties
hw/misc/bcm2835_property: Fix handling of FRAMEBUFFER_SET_PALETTE
hvf: arm: Do not advance PC when raising an exception
hvf: arm: Properly disable PMU
hvf: arm: Raise an exception for sysreg by default
target/arm/kvm: Do not silently remove PMU
target/arm/kvm: Set PMU for host only when available
hw/arm/smmuv3: Assert input to oas2bits() is valid
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
As the list of options isn't fixed we do all the parsing by hand.
Without any named arguments we automatically fill the "file" option
with the value give so check if it is requesting help and dump some
basic usage text.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-15-alex.bennee@linaro.org>
We were premature if bumping this because some of our builds are still
on older glibs. Just copy the compat handler for now and we can remove
it later.
Fixes: ee293103b0 (plugins: update lockstep to use g_memdup2)
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2161
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-14-alex.bennee@linaro.org>
With the conversion to meson and removing the old QEMU Makefile
baggage we became very silent when building the plugins. Bring in a
copy of the quiet-command logic (and some magic COMMAs) so we can at
least assure developers we are building them.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2457
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-13-alex.bennee@linaro.org>
In append_stats_line(), we have an expression
l2_access ? l2_miss_rate : 0.0
But this is inside an if (l2_access && l2_misses) { ... } block,
so Coverity points out that the false part of the ?: is dead code.
Remove the unnecessary test.
Resolves: Coverity CID 1522458
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240725164851.1930964-1-peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-12-alex.bennee@linaro.org>
The devel section is getting quite messy with the breakdown of the
example plugins which should be usable by users. As we mention plugins
in the emulation section along with semihosting move the overview
there leaving the development section about the details of writing
plugins.
While we are at make the headings nicer and convert the option lists
into nicely formatted tables.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-11-alex.bennee@linaro.org>
You cannot use plugins without TCG enabled so it doesn't make sense to
have them separated off in the test directory structure. While we are
at it rename the directory to plugins to reflect the plural nature of
the directory and match up with contrib/plugins.
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-10-alex.bennee@linaro.org>
Since 4f8d886085 (tests/plugin/mem: migrate to new per_vcpu API) this
test was skipping due to not being able to run callback and inline
memory instrumentation at the same time.
However b480f7a621 (tests/plugin: add test plugin for inline
operations) tests for all this matching up so we don't need the
additional complexity in avocado.
Remove the test.
Fixes: 4f8d886085
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-9-alex.bennee@linaro.org>
Since 6f6ca067d2 (tests/tcg: add some help output for running
individual tests) we made it easier to run individual tests for a
given architecture. Lets reference that in the developer
documentation.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-8-alex.bennee@linaro.org>
Move the mention of "check-help" up to the intro text and also mention
the meson test integration.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-7-alex.bennee@linaro.org>
Update the document with details about the layout of tests. Remove the
out of date cris comments. Refer to the developer guide for details
about how to run the tests.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-6-alex.bennee@linaro.org>
Recent debian cross-linker for loongarch issues
ld: warning: hello has a LOAD segment with RWX permissions
This is partially related to tests/tcg/loongarch64/system/kernel.ld,
but is not fixed by explicitly adding a single LOAD PHDR.
Disable the warning, since it does not apply to kernel images.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240724010733.22129-3-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-5-alex.bennee@linaro.org>
Add the --noexecstack assembler command-line option to avoid:
/usr/bin/ld: warning: boot.o: missing .note.GNU-stack section implies executable stack
/usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
which is enabled by default with current debian cross toolchains.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240724010733.22129-2-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-4-alex.bennee@linaro.org>
The lcitool created containers save the full distro package list
details into /packages.txt. The idea is that build jobs will 'cat'
this file, so that the build log has a record of what packages
were used. This is important info, because when it comes to debug
failures, the original container is often lost.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20240724095505.33544-3-berrange@redhat.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-3-alex.bennee@linaro.org>
The lcitool created containers save the full distro package list
details into /packages.txt. The idea is that build jobs will 'cat'
this file, so that the build log has a record of what packages
were used. This is important info, because when it comes to debug
failures, the original container is often lost.
This extends the manually written dockerfiles to also create the
/packages.txt file.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20240724095505.33544-2-berrange@redhat.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-2-alex.bennee@linaro.org>
util/getauxval: Use elf_aux_info on OpenBSD
linux-user: open_self_stat: Implement num_threads
target/rx: Use target_ulong for address in LI
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Merge tag 'pull-misc-20240730' of https://gitlab.com/rth7680/qemu into staging
util/getauxval: Ensure setting errno if not found
util/getauxval: Use elf_aux_info on OpenBSD
linux-user: open_self_stat: Implement num_threads
target/rx: Use target_ulong for address in LI
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# gpg: Signature made Tue 30 Jul 2024 11:10:29 AM AEST
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]
* tag 'pull-misc-20240730' of https://gitlab.com/rth7680/qemu:
linux-user: open_self_stat: Implement num_threads
util/cpuinfo: Make use of elf_aux_info(3) on OpenBSD
linux-user/main: Check errno when getting AT_EXECFD
util/getauxval: Ensure setting errno if not found
target/rx: Use target_ulong for address in LI
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The num_threads field reports the total number of threads in the
process. In QEMU, this is equal to the number of CPU instances.
Signed-off-by: Fabio D'Urso <fdurso@google.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-ID: <20240619194109.248066-1-fdurso@google.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Brad Smith <brad@comstyle.com>
Message-ID: <ZqXB_zz0fR1CpA7k@humpty.home.comstyle.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
It's possible for AT_EXECFD to end up with a valid value of 0. Check
errno when using qemu_getauxval instead of return value to handle this
case.
Not handling this case leads to a confusing condition where the
executable ends up as fd 0, i.e. stdin.
Signed-off-by: Vivian Wang <uwu@dram.page>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Fixes: 0b959cf5e4 ("linux-user: Use qemu_getauxval for AT_EXECFD")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2448
Message-ID: <20240723100545.405476-3-uwu@dram.page>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Sometimes zero is a valid value for getauxval (e.g. AT_EXECFD). Make
sure that we can distinguish between a valid zero value and a not found
entry by setting errno.
Assumes that getauxval from sys/auxv.h sets errno correctly.
Signed-off-by: Vivian Wang <uwu@dram.page>
Message-ID: <20240723100545.405476-2-uwu@dram.page>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
CpuModelInfo is used both as command argument and in command
returns.
Its @deprecated-props array does not make any sense in arguments,
and is silently ignored. We actually want it only as return value
of query-cpu-model-expansion.
Move it from CpuModelInfo to CpuModelExpansionType, and document
its dependence on expansion type property.
This was identified late during review [1] and we have to fix it up
while it's not part of an official QEMU release yet.
[1] https://lore.kernel.org/qemu-devel/20240719181741.35146-1-walling@linux.ibm.com/
Message-ID: <20240726203646.20279-1-walling@linux.ibm.com>
Fixes: eed0e8ffa3 ("target/s390x: filter deprecated properties based on model expansion type")
Signed-off-by: Collin Walling <walling@linux.ibm.com>
[ david: - add "Fixes", adjust description, reference v3 instead
- make property s390x-only and non-optional
- fixup "populate" vs. "populated" ]
Signed-off-by: David Hildenbrand <david@redhat.com>
In the functions invalidate_and_set_dirty() and
cpu_physical_memory_snapshot_and_clear_dirty(), we assume that we
are dealing with RAM memory regions. In this case we know that
memory_region_get_ram_addr() will succeed. Assert this before we
use the returned ram_addr_t in arithmetic.
This makes Coverity happier about these functions: it otherwise
complains that we might have an arithmetic overflow that stems
from the possible -1 return from memory_region_get_ram_addr().
Resolves: Coverity CID 1547629, 1547715
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-id: 20240723170513.1676453-1-peter.maydell@linaro.org
In update_itlb_use() the variables or_mask and and_mask are uint8_t,
which means that in expressions like "and_mask << 24" the usual C
arithmetic conversions will result in the shift being done as a
signed int type, and so we will shift into the sign bit. For QEMU
this isn't undefined behaviour because we use -fwrapv; but we can
avoid it anyway by using uint32_t types for or_mask and and_mask.
Resolves: Coverity CID 1547628
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-id: 20240723172431.1757296-1-peter.maydell@linaro.org
Coverity points out that in do_interrupt64() in the "to inner
privilege" codepath we set "ss = 0", but because we also set
"new_stack = 1" there, later in the function we will always override
that value of ss with "ss = 0 | dpl".
Remove the unnecessary initialization of ss, which allows us to
reduce the scope of the variable to only where it is used. Borrow a
comment from helper_lcall_protected() that explains what "0 | dpl"
means here.
Resolves: Coverity CID 1527395
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240723162525.1585743-1-peter.maydell@linaro.org
