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Document to not rely on virConnectGetMaxVcpus API

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The API virConnectGetMaxVcpus doesn't really reflect the actual usable number
of cpus as the maximum limits can be different for kvm and/or qemu. So update
the documentation to use virConnectGetDomainCapabilities() instead.

Signed-off-by: Shivaprasad G Bhat <sbhat@linux.vnet.ibm.com>
This commit is contained in:
Shivaprasad G Bhat 2016-06-24 20:34:34 +05:30 committed by Andrea Bolognani
parent 8dbb347816
commit e6806d7938
1 changed files with 4 additions and 1 deletions
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5
src/libvirt-host.c
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@ -313,7 +313,10 @@ virConnectGetSysinfo(virConnectPtr conn, unsigned int flags)
*
* Provides the maximum number of virtual CPUs supported for a guest VM of a
* specific type. The 'type' parameter here corresponds to the 'type'
* attribute in the <domain> element of the XML.
* attribute in the <domain> element of the XML. This API doesn't take emulator
* limits into consideration, hence the returned value is not guaranteed to be
* usable. It is recommended to use virConnectGetDomainCapabilities() and look
* for "<vcpu max='...'>" in its output instead.
*
* Returns the maximum of virtual CPU or -1 in case of error.
*/