Re: [PATCH 00/11] Kselftest make O=dir work

[Greg KH]

On Tue, Sep 12, 2017 at 05:52:53PM -0600, Shuah Khan wrote:
> During [MAINTAINERS SUMMIT] & [TECH TOPIC] Improve regression tracking
> discussion, it was brought to my attention that kselftest lacks support
> for make O=dir use-case which is used by several developers to relocate
> objects and keep the source tree clean.
> 
> I mentioned in thread that I would take a look at what it takes to support
> it and here is the patch series that does that.
> 
> This 11 patch series consists of fixes to get "make O=dir kselftest"
> use-case working,  extending the existing KBUILD_OUTPUT support.
> Majority of the changes are made to kselftest common infrastructure.
> Some test make files are changed as needed to address the custom build
> and run_tests.
> 
> -- futex has sub-directories which require custom build and run_tests.
> -- sync test needed a few changes to make use of lib.mk as much as possible
>    and still be able to run its custom build sequence.
> 
> With this series the following ways to build and run kselftest is possible:
> 
> -- Build all and Relocate objects to /tmp/kselftest and run tests:
>    make O=/tmp/kselftest kselftest
>    or
>    make KBUILD_OUTPUT=/tmp/kselftest kselftest
> 
> -- Build TARGETS and Relocate objects to /tmp/kselftest and run tests:
>    make O=/tmp/kselftest TARGETS="futex sync size" kselftest
>    or
>    make KBUILD_OUTPUT=/tmp/kselftest TARGETS="futex sync size" kselftest
> 
> -- Clean tests:
>    make O=/tmp/kselftest kselftest-clean
>    or
>    make KBUILD_OUTPUT=/tmp/kselftest kselftest-clean
> 
> All existing use-cases documented in Documentation/dev-tools/kselftest.rst
> are still supported.

Yeah!  Nice work.

greg k-h