Public bug reported:

[Impact] 
When compiling and building the Ubuntu kernels, the kernel selftests located 
under 'tools/testing/selftests/' do not get compiled. Some of these testcases 
are used by our test infrastructure, which downloads the kernel source, 
compiles and run them. The problem with this approach is that patches applied 
to the testcases can break the compilation and this is detected only after the 
kernels are already released to -proposed.

I am proposing that we add some simple debian/rules targets that will
keep a list of the selftests that Ubuntu cares about, compile and run
them. This could be plugged into our test build infrastructure in order
to be able to detect such breaks.

[Test Case]
With these changes, one would be able to run the following to compile/run the 
selftests:

# fakeroot debian/rules clean
# fakeroot debian/rules compileselftests
# fakeroot debian/rules runselftests

[Regression Potential] 
None. This only adds a new rules target that will not break any existing target.

** Affects: linux (Ubuntu)
     Importance: Medium
     Assignee: Kleber Sacilotto de Souza (kleber-souza)
         Status: In Progress

** Affects: linux (Ubuntu Precise)
     Importance: Medium
     Assignee: Kleber Sacilotto de Souza (kleber-souza)
         Status: In Progress

** Affects: linux (Ubuntu Trusty)
     Importance: Medium
     Assignee: Kleber Sacilotto de Souza (kleber-souza)
         Status: In Progress

** Affects: linux (Ubuntu Xenial)
     Importance: Medium
     Assignee: Kleber Sacilotto de Souza (kleber-souza)
         Status: In Progress

** Affects: linux (Ubuntu Bionic)
     Importance: Medium
     Assignee: Kleber Sacilotto de Souza (kleber-souza)
         Status: In Progress

** Affects: linux (Ubuntu Eoan)
     Importance: Medium
     Assignee: Kleber Sacilotto de Souza (kleber-souza)
         Status: In Progress

** Affects: linux (Ubuntu Focal)
     Importance: Medium
     Assignee: Kleber Sacilotto de Souza (kleber-souza)
         Status: In Progress

** Also affects: linux (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Trusty)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1874286

Title:
  Add a debian/rules target to compile/run kernel selftests

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