Re: [Xen-devel] [OSSTEST PATCH RFC 01/14] ts-xen-build: always compile in FEP support

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 04/08/16 12:46, Ian Jackson wrote:
> Wei Liu writes ("[OSSTEST PATCH RFC 01/14] ts-xen-build: always compile in 
> FEP support"):
>> By default FEP depends on debug flag. When we are near release the debug
>> flag will be turned off. In order to test a release build, we explicitly
>> enable FEP in build configuration.
>>
>> Since we target Xen versions that already have Kconfig support, only a
>> Kconfig option is created for now.
> What do you mean by "we target" ?  osstest needs to support all
> versions of Xen which are still in security support, which goes back
> to 4.4 right now.

Xen 4.8 will have CONFIG_HVM_FEP available, and the hvm_fep command line
option is available irrespective of whether it is a debug build of the
hypervisor.

Xen 4.5-4.7 have hvm_fep available on the command line, strictly for
debug builds of Xen only.

Older versions have no FEP support at all.


XTF tests which require FEP to function will probe and SKIP if support
is not available.  This does mean that some tests can only sensibly work
against newer hypervisors.

~Andrew

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