Hi Andrew,

Thanks for taking a look at these.

@@ -1,4 +1,4 @@
-TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug
+TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug efivarfs

bah.  This sort of Makefile construct is a wonderful source of patch
rejects and fixups.  I'll covert this to

--- a/tools/testing/selftests/Makefile~a
+++ a/tools/testing/selftests/Makefile
@@ -1,4 +1,11 @@
-TARGETS = breakpoints epoll kcmp mqueue vm cpu-hotplug memory-hotplug efivarfs
+TARGETS = breakpoints
+TARGETS += epoll
+TARGETS += kcmp
+TARGETS += mqueue
+TARGETS += vm
+TARGETS += cpu-hotplug
+TARGETS += memory-hotplug
+TARGETS += efivarfs

Much better, thanks. I'd already had a collision with the epoll tests...

I'll do this for now:

--- 
a/tools/testing/selftests/efivarfs/Makefile~selftests-add-tests-for-efivarfs-fix
+++ a/tools/testing/selftests/efivarfs/Makefile
@@ -6,7 +6,7 @@ test_objs = open-unlink
  all: $(test_objs)

  run_tests: all
-       @./efivarfs.sh || echo "efivarfs selftests: [FAIL]"
+       @/bin/sh ./efivarfs.sh || echo "efivarfs selftests: [FAIL]"

  clean:
        rm -f $(test_objs)

but I'm not sure I did it right :(

efivarfs.sh requires bash currently, so we'll need to call this explicitly:

+       @/bin/bash ./efivarfs.sh || echo "efivarfs selftests: [FAIL]"

Is this okay?

The general ruleset for selftests is: do as much as you can if you're not
root and don't take too long and don't break the build on any
architecture and don't cause the top-level "make run_tests" to fail if
your feature is unconfigured.

Ah, good stuff to know. I'll send a patch adding this info to Documentation/ too.

Does this code pass all that?

It should, yes:

 * all test requires root at present, as all efivarfs files are only
   writable by root

 * the built binaries doesn't use anything more than basic C, so should
   build fine wherever we have gcc.

 * efivarfs.sh will skip all tests if efivarfs is not mounted

However, the tests expose a bug at the moment, so run_tests will fail. Matt will have that fixed soon though :)

Cheers,


Jeremy


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