selftests/powerpc: Add test for execute-disabled pkeys

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Apart from read and write access, memory protection keys can
also be used for restricting execute permission of pages on
powerpc. This adds a test to verify if the feature works as
expected.

Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200604125610.649668-4-sandipan@linux.ibm.com

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Sandipan Das 2020-06-04 18:26:10 +05:30 • committed by Michael Ellerman

parent c405b738da

commit 1addb64447

3 changed files with 391 additions and 1 deletions

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1

tools/testing/selftests/powerpc/mm/.gitignore vendored

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3

tools/testing/selftests/powerpc/mm/Makefile

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388

tools/testing/selftests/powerpc/mm/pkey_exec_prot.c

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