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Author SHA1 Message Date
Jarkko Sakkinen 6a7171b8a0 selftests/sgx: Rename 'eenter' and 'sgx_call_vdso' 
Rename symbols for better clarity:

* 'eenter' might be confused for directly calling ENCLU[EENTER].  It does
  not.  It calls into the VDSO, which actually has the EENTER instruction.
* 'sgx_call_vdso' is *only* used for entering the enclave.  It's not some
  generic SGX call into the VDSO.

Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
 2021-06-15 16:21:23 -06:00
Jarkko Sakkinen 2adcba79e6 selftests/x86: Add a selftest for SGX 
Add a selftest for SGX. It is a trivial test where a simple enclave
copies one 64-bit word of memory between two memory locations,
but ensures that all SGX hardware and software infrastructure is
functioning.

Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Jethro Beekman <jethro@fortanix.com>
Cc: linux-kselftest@vger.kernel.org
Link: https://lkml.kernel.org/r/20201112220135.165028-21-jarkko@kernel.org
 2020-11-18 18:04:05 +01:00