selftests/powerpc: Add test case for tlbie vs mtpidr ordering issue

commit 93cad5f7 upstream.

Cc: stable@vger.kernel.org # v4.14
Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
[mpe: Some minor fixes to make it build]
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190924035254.24612-4-aneesh.kumar@linux.ibm.com
[sandipan: Backported to v4.14]
Signed-off-by: NSandipan Das <sandipan@linux.ibm.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

tools/testing/selftests/powerpc/mm/Makefile

@@ -3,6 +3,7 @@ noarg:
 	$(MAKE) -C ../
 
 TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao
+TEST_GEN_PROGS_EXTENDED := tlbie_test
 TEST_GEN_FILES := tempfile
 
 include ../../lib.mk
@@ -14,3 +15,4 @@ $(OUTPUT)/prot_sao: ../utils.c
 $(OUTPUT)/tempfile:
 	dd if=/dev/zero of=$@ bs=64k count=1
 
+$(OUTPUT)/tlbie_test: LDLIBS += -lpthread