selftests/sgx: Ensure test enclave buffer is entirely preserved

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Attach the "used" attribute to instruct the compiler to preserve the static
encl_buffer, even if it appears it is not entirely referenced in the enclave
code, as expected by the external tests manipulating page permissions.

Signed-off-by: Jo Van Bulck <jo.vanbulck@cs.kuleuven.be>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Acked-by: Kai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/all/a2732938-f3db-a0af-3d68-a18060f66e79@cs.kuleuven.be/
Link: https://lore.kernel.org/all/20231005153854.25566-11-jo.vanbulck%40cs.kuleuven.be

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Jo Van Bulck 2023-10-05 17:38:51 +02:00 • committed by Dave Hansen

parent 9fd552ee32

commit a4c39ef4ed

2 changed files with 6 additions and 4 deletions

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1

tools/testing/selftests/sgx/defines.h

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9

tools/testing/selftests/sgx/test_encl.c

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