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We currently query the host MSRs to determine if TSC scaling is
supported. This works OK when running privileged and can open
the /dev/cpu/0/msr. When unprivileged we fallback to querying
MSRs from /dev/kvm. This is incorrect because /dev/kvm only
reports accurate info for MSRs that are valid to use from inside
a guest. The TSC scaling support MSR is not, thus we always end
up reporting lack of TSC scaling when unprivileged.
The solution to this is easy, because KVM can directly report
whether TSC scaling is available, which matches what QEMU will
do at startup.
Closes: https://gitlab.com/libvirt/libvirt/-/issues/188
Reported-by: Roman Mohr <rmohr@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This reverts commit 05bd8db60b.
It is true that the remote driver client now contains logic for probing
the driver to connect to when using modular daemons. This logic, however,
only runs when the remote driver is NOT running inside a daemon since we
don't want it activated inside libvirtd. Since the same remote driver
build is used in all daemons, we can't rely on it in virtproxyd either.
Thus we need to keep the virtproxyd probing logic
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The function was inconsistently using 'return -1' and 'goto cleanup;'
unify it by removing the cleanup label and 'ret' variable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
It's used only inside the loop filling the extents, move it there and
restructure the code so that 'extent.path' doesn't have to be freed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'list' will always be NULL when reaching 'virObjectListFreeCount' thus
we can remove the call as well as the 'ret' variable which was only ever
equal to 'nclients' at the point when we returned the value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'bootHotplug' can be auto-freed when terminating the function and moving
the declaration of 'vcpuprops' to the loop which uses it along with
automatic freeing allows us to simplify cleanup in certain cases.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use automatic memory freeing for 'tmpvars' and move the allocation of
tmpvars earlier so that we are guaranteed that 'obj' will always be
appended to 'inst->filters' and thus don't need cleanup for it.
By moving the reset of 'inst' to the block when virNWFilterDefToInst
fails we can get rid of the rest of the cleanup section and remove the
'ret' variable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Construct the 'ruleinst->vars' hash table separately in a temporary
variable so that 'ruleinst' can be allocated on success. This allows us
to get rid of the cleanup section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'cb' is always NULL when 'virObjectEventCallbackListAddID' is called.
Remove the call.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'item' is always NULLed-out by VIR_APPEND_ELEMENT and 'ret' variable is
always 0 when used so both can be removed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'hub' doesn't need to be freed any more because it's always consumed and
NULLed-out by VIR_APPEND element. This also makes the 'ret' variable
obsolete.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
'video' will only ever be NULL after the 'cleanup' label thus there's no
need to use 'virDomainVideoDefFree'. In fact we can fully remove the
cleanup section and 'ret' variable by returning directly from failure
points.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
VIR_APPEND_ELEMENT doesn't report any errors now so we can remove
VIR_APPEND_ELEMENT_QUIET and replace all uses by VIR_APPEND_ELEMENT
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use virAppendElement instead of virInsertElementsN to implement
VIR_APPEND_ELEMENT which allows us to remove error handling as the
only relevant errors were removed when switching to aborting memory
allocation functions.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
For now it was an alias to VIR_APPEND_ELEMENT. Use virAppendElement
directly until VIR_APPEND_ELEMENT is refactored too and we'll be able to
get rid of VIR_APPEND_ELEMENT_QUIET completely.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use virAppendElement instead of virInsertElementsN to implement
VIR_APPEND_ELEMENT_COPY which allows us to remove error handling as the
only relevant errors were removed when switching to aborting memory
allocation functions.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
VIR_APPEND_ELEMENT_INPLACE and VIR_APPEND_ELEMENT_COPY_INPLACE already
ignore the return value from 'virInsertElementsN' which allows a trivial
conversion to virAppendElement without the need for 'ignore_value'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The new wrapper calls virInsertElementInternal with the appropriate
arguments without any checks which are unnecessary for appension. This
allows to have no return value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Split out the code doing the movement of the elements and insertion from
the range checks. This will help in adding an error-free version for
appension.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The idea of @add was that the insersion/appension macros would allow
adding more than one element but this feature was never implemented.
'add' is nowadays used as a dummy variable consuming the result of the
VIR_TYPEMATCH compile time check.
Make it obvious that we don't use 'add' by renaming it to
'typematchDummy', marking it as unused and replacing all occurences
where the value was used by literal '1'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There are cpu definitions that are allocated in
qemuTestDriverInit() but are missing corresponding
virCPUDefFree() call in qemuTestDriverFree(). It's safe to call
the free function because the definitions contain a refcounter
and thus even if they were still in use the refcounter would be
just decreased.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Send TERM/KILL to virtiofsd and its child processes too
and do not exit until they are all dead.
https://bugzilla.redhat.com/show_bug.cgi?id=1940276
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Add a version of virPidFileForceCleanupPath that takes
a 'group' bool argument and propagate it all the way
down to virProcessKillPainfullyDelay.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We need to enable or disable the modular daemons with systemd after the
RPM install/uninstall.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The patterns for enabling/disabling daemons post/postun-install has a
bit of duplication across the different part of the spec, due to the
number of socket units involved. This is going to get much worse with
the need to enable/disalbe modular daemons, so benefits from macroization.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The daemons all need restarting to ensure they pick up the newly
installed code.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Currently we restart libvirtd if the nwfilter/network configs have
changed. We need to take account of possibility that the modular
daemons are in use instead though.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The patterns for restarting daemons post-transaction has a bit of
duplication across the different part of the spec. This is going to
get much worse with the need to restart modular daemons, so benefits
from macroization.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Starting with QEMU 6.0, this controller is enabled by default
on aarch64.
https://bugzilla.redhat.com/show_bug.cgi?id=1967187
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
lcitool now uses the term "target" instead of "host" to refer to
the various operating systems it supports, and we need to adapt
our helper script so that it works with the new command line
interface.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
When we try to migrate vm, we check if it contains only devices
that are able to migrate. If a hostdev device is not able to
migrate we raise an error with <hostdev/>, but it can actually be
<interface/>, so we need to check if hostdev device was created
by us from interface and show the right error message.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1942315
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In order to test the virDomainGetMessages for test driver, we need to
check some taints or deprecations, so introduce testDomainObjCheckTaint
for checking taints.
As we introduced testDomainObjCheckTaint for test driver, the `dominfo`
command in virshtest will now print tainting messages, so add them for
test.
Signed-off-by: Luke Yue <lukedyue@gmail.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
The test driver and qemu driver could share the same code in
virDomainGetMessages(), so extract it to a function.
Signed-off-by: Luke Yue <lukedyue@gmail.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
The current docker:dind container has broken default seccomp filter that
results in clone3 being blocked, which in turn breaks Fedora 35 rawhide.
This custom image has a workaround that causes the seccomp filter to
return ENOSYS for clone3 instad of EPERM, thus triggering glibc to
fallback to clone correctly.
Reviewed-by: Erik Skultety <eskultet@redhat>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
It was added by commit c2121602 and later removed by 5a4c2374a
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The package is mistakenly obsoleting itself, when it should be
obsoleting the -static packages we dropped.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
