Re: [PATCH v3] x86/sgx: Free backing memory after faulting the enclave page

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On 1/12/22 22:08, Reinette Chatre wrote:
------------[ cut here ]------------
ELDU returned 9 (0x9)
WARNING: CPU: 6 PID: 2470 at arch/x86/kernel/cpu/sgx/encl.c:77 sgx_encl_eldu+0x37c/0x3f0

Could we flesh out that error message, please?

That "return" is a code from "Information and Error Codes" in the SGX SDM chapter. It's also spelled out in 'enum sgx_return_code'. So, at least, this should probably say:

	ELDU sgx_return_code: 9 (0x9)

*That* is at least greppable.



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