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https://bugzilla.redhat.com/show_bug.cgi?id=1226234#c3 Prior to this patch, after successfully hot plugging memory the audit log indicated that the update failed, e.g.: type=VIRT_RESOURCE ... old-mem=1024000 new-mem=1548288 \ exe="/usr/sbin/libvirtd" hostname=? addr=? terminal=pts/2 res=failed This patch will adjust where virDomainAuditMemory is called to ensure the proper 'ret' value is used based on success or failure. Additionally, the audit message should include the size of the memory we were attempting to change to rather than the current actual size. On failure to add, the message showed the same value for old-mem and new-mem. In order to do this, introduce a 'newmem' local which will compute the new size based on the oldmem size plus the size of memory we are about to add. NB: This would be the same as calling the virDomainDefGetMemoryActual again on success, but avoids the overhead of recalculating. Plus cur_balloon is already adjusted by the same value, so this follows that. Signed-off-by: Luyao Huang <lhuang@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>