Re: [PATCH v4 1/3] x86/sgx: Split SGX_ENCL_PAGE_BEING_RECLAIMED into two flags
From: Jarkko Sakkinen
Date: Wed Jul 17 2024 - 06:36:22 EST
On Fri Jul 5, 2024 at 10:45 AM EEST, Dmitrii Kuvaiskii wrote:
> SGX_ENCL_PAGE_BEING_RECLAIMED flag is set when the enclave page is being
> reclaimed (moved to the backing store). This flag however has two
> logical meanings:
~~~~~~~~
side-effects
Missing the actor.
"The page reclaimer thread sets SGX_ENC_PAGE_BEING_RECLAIMED flag..."
It is not just randomly "set".
>
> 1. Don't attempt to load the enclave page (the page is busy).
Please point out where in the source code.
> 2. Don't attempt to remove the PCMD page corresponding to this enclave
> page (the PCMD page is busy).
Please point out where in the source code.
These would be great reference when looking back.
>
> To reflect these two meanings, split SGX_ENCL_PAGE_BEING_RECLAIMED into
I don't care about meanings. Only who does and what.
BR, Jarkko