powerpc: Add tests of the code patching routines
Add tests of the existing code patching routines, as well as the new routines added in the last commit. The self-tests are run late in boot when CONFIG_CODE_PATCHING_SELFTEST=y, which depends on DEBUG_KERNEL=y. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
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411781a2
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