On 2021-04-02 17:53, Dave Hansen wrote: > On 4/2/21 1:38 AM, Jethro Beekman wrote: >>> So, we're talking here about pages that have been EEADDED, but for >>> which we do not want to include the entire contents of the page? >>> Do these contents always include the beginning of the page, or can >>> the holes be anywhere? >> Holes can be anywhere, and EEXTEND calls need not be sequential in >> memory address or even relate to the most recently EADDed page. > > I think you're referring to the SGX architecture itself here. The > architecture permits this, right? Yes. > But, why would an enclave loader application ever do this? e.g. to save space > Is this something we want to support in Linux? Why not? Is there a good reason to not fully support this part of the CPU architecture? -- Jethro Beekman | Fortanix
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