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2023-08-16selftests/powerpc/ptrace: Update ptrace-perf watchpoint selftestBenjamin Gray
Now that ptrace and perf are no longer exclusive, update the test to exercise interesting interactions. An assembly file is used for the children to allow precise instruction choice and addresses, while avoiding any compiler quirks. Signed-off-by: Benjamin Gray <bgray@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230801011744.153973-7-bgray@linux.ibm.com