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Let's register AUTOPTR_CLEANUP_FUNC for virDomainControllerDefPtr
and modernize this function, removing the 'error' label using
g_autoptr().
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The 'error' label is just doing a 'return -1'.
There's also a couple of 'VIR_FREE(nodes)' calls that are happening
right before exiting on error, but 'nodes' is already set for
autocleanup. These calls can also be removed.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Register a AUTOPTR_CLEANUP_FUNC for virDomainSmartcardDef and use
g_autoptr() to eliminate the 'error' label.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Register an AUTOPTR_CLEANUP_FUNC for virDomainDiskDefPtr, then
use g_autoptr() in virDomainDiskDef and virStorageEncryption
pointers to get rid of the 'cleanup' and 'error' labels.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This will open an opportunity to modernize virDomainDiskDefParseXML()
in the next patch.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This will modernize virDomainVideoDefParseXML() and
virDomainDefAddImplicitVideo() by removing unneeded
cleanup labels.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The 'video' pointer is only being freed on error path, meaning
that we're leaking it after each loop restart.
There are more opportunities for auto cleanups of virDomainVideoDef
pointers, so let's register AUTOPTR_CLEANUP_FUNC for it to use
g_autoptr() later on.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Use g_autoptr() with the hash and remove the 'cleanup' label.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This spares us of 2 explicit VIR_FREE() calls.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
While for virQEMUCapsNew this should not be needed
(the possible failures in VIR_CLASS_NEW are only hit
on bad API usage which we don't do here),
virQEMUCapsNewCopy calls into many other functions,
some of which actually fail.
Check the return value of both.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Do not look up the index of the passed FD in places where
we already have it.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
An alternative to qemuVirCommandGetFDSet that takes the index
into the passed FD set as an argument and does not try to look it up.
Use it as well ass virCommandPassFDIndex in qemuBuildChrChardevFileStr
and qemuBuildInterfaceCommandLine.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Just like virCommandPassFD, but it also returns an index of
the passed FD in the FD set.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
We only jump to cleanup before allocating any lists.
Drop the dead code.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Currently, ret is only used in the 'cleanup' section
and initialized right before the jump.
Switch to the customary initialization to -1 and only
leave in the 'ret = 0' statement on an empty list.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In a few commit back (v6.10.0-5-gb3dad96972) a new helper for
obtaining string arrays from a virJSONObject was introduced:
virJSONValueObjectGetStringArray(). I've identified three places
where it can be used instead of open coding it:
qemuAgentSSHGetAuthorizedKeys(),
qemuMonitorJSONGetStringListProperty() and
qemuMonitorJSONGetCPUDefinitions().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The virJSONValueObjectGetStringArray() function is given a @key
which is supposed to be an array inside given @object. Well, if
it's not then an error state is returned (NULL), but no error
message is set.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We should highlight the language bindings that are actively
maintained, keep up with the core library's development pace,
have good API coverage and are relevant to people looking to
integrate libvirt into their projects today: based on these
criteria, it makes sense to highlight the Go binding instead
of the Java one.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
cfg->firmwares still points to the original memory address after being
freed by virFirmwareFreeList(). As cfg get freed, it will be freed again
even if cfg->nfirmwares=0 which eventually lead to crash.
The patch fix it by setting cfg->firmwares to NULL explicitly after
virFirmwareFreeList() returns
Signed-off-by: Guoyi Tu<tu.guoyi@h3c.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The original logic is incorrect. We would delete the device entry
from eBPF map only if the newval would be same as current val in the
map. In case that the device was allowed only as read-only but later
we remove all permissions for that device it would remain in the table
with empty values.
The old code would still deny the device but it's not working as
intended. Instead we will update the value in advance. If the updated
value is 0 it means that we are removing all permissions so it should
be removed from the map, otherwise we will update the value in map.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1810356
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Kernel commit <d505b8af58912ae1e1a211fabc9995b19bd40828> added proper
check for cpu quota maximum limit to prevent internal overflow.
Even though this change is not present in all kernels it makes sense
to enforce the same limit in libvirt.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1750315
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
guest-get-disks is available since QEMU 5.2:
https://wiki.qemu.org/ChangeLog/5.2#Guest_agent
Note that the test response was manually edited based on a reply on my
bare-metal computer. It shows partial results due to pcieport driver not
being currently supported by QGA.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
There might be more potential users around, I haven't looked thoroughly.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
To match the QGA schema name (we are introducing a qemuAgentDiskInfo
struct again for different purpose).
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
qemucapsprobemock can't find real versions of qemuMonitorSend() and
qemuMonitorJSONIOProcessLine() on macOS. That breaks qemucapsprobe.
The failure can be explained by documented behaviour of dlsym(3) on
macOS:
If dlsym() is called with the special handle RTLD_NEXT, then dyld
searches for the symbol in the dylibs the calling image linked against
when built.
[...] For flat linked images, the search starts in the load ordered
list of all images, in the image right after the caller's image.
That means qemucapsprobemock must be linked against qemu test driver to
find symbols there with RTLD_NEXT.
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There might be mocks that need to reference qemu test driver and link
with it. It's not possible now because qemu test driver is defined after
mocks.
While at it, add 'link_with' parameter to mock definition that allows to
specify a set of libraries the mock has to be linked with.
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There's no need to have different CI process between macOS and FreeBSD
as test suite has been fixed on macOS.
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The test takes 40+ seconds on MBP 2012, MBA 2015. Cirrus completes the
test within default timeout, just above 29 seconds but the error margin
is narrow, under a second.
It'd be good to provide reasonable default timeout to avoid test suite
failure if "meson test" is invoked without arguments.
Closes https://gitlab.com/libvirt/libvirt/-/issues/58
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Some tests in qemuxml2argvtest need opendir() from virpcimock, others
need opendir() from virfilewrapper.
But as of now, only opendir() from virpcimock has an effect.
real_opendir in virpcimock has a pointer to opendir$INODE64 in
libsystem_kernel.dylib instead of pointing to opendir$INODE64 in
qemuxml2argvtest (from virfilewrapper). And because the second one is
never used, tests that rely on prefixes added by virFileWrapperAddPrefix
fail.
That can be fixed if dlsym(3) is asked explicitly to search symbols in
main executable with RTLD_MAIN_ONLY before going to other dylibs.
Existing RTLD_NEXT handle results into libsystem_kernel.dylib being
searched before main executable.
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
opendir() mocks need to search for decorated function with $INODE64
suffix, like stat mocks.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Updated by "Update PO files to match POT (msgmerge)" hook in Weblate.
Translation: libvirt/libvirt
Translate-URL: https://translate.fedoraproject.org/projects/libvirt/libvirt/
Co-authored-by: Weblate <noreply@weblate.org>
Signed-off-by: Fedora Weblate Translation <i18n@lists.fedoraproject.org>
Add meson required bits to the ci logic in the repo to be able to run
a meson build in a container.
This patch also drops several environment variables we don't need with
meson anymore.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
I previously did a workaround for a glib event loop race
that causes crashes:
commit 0db4743645
Author: Daniel P. Berrangé <berrange@redhat.com>
Date: Tue Jul 28 16:52:47 2020 +0100
util: avoid crash due to race in glib event loop code
it turns out that the workaround has a significant performance
penalty on I/O intensive workloads. We thus need to avoid the
workaround if we know we have a new enough glib to avoid the
race condition.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Tested-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
It was reported that the performance of tunnelled migration and
volume upload/download regressed in 6.9.0, when the virt-ssh-helper
is used for remote SSH tunnelling instead of netcat.
When seeing data available to read from stdin, or the socket,
the current code will allocate at most 1k of extra space in
the buffer it has.
After writing data to the socket, or stdout, if more than 1k
of extra space is in the buffer, it will reallocate to free
up that space.
This results in a huge number of mallocs when doing I/O, as
well as a huge number of syscalls since at most 1k of data
will be read/written at a time.
Also if writing blocks for some reason, it will continue to
read data with no memory bound which is bad.
This changes the code to use a 1 MB fixed size buffer in each
direction. If that buffer becomes full, it will update the
watches to stop reading more data. It will never reallocate
the buffer at runtime.
This increases the performance by orders of magnitude.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Tested-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
