On 2/11/25 13:18, Huang, Kai wrote: >>> This requires low-level SGX implementation knowledge to fully >>> understand. Both what "ETRACK, EBLOCK and EWB" are in the first place, >>> how they are involved in reclaim and also why EREMOVE doesn't lead to >>> the same fate. >> >> Does it? [I'll dig up Intel SDM to check this] >> > I just did. 🙂 > > It seems EREMOVE only reads and updates the EPCM entry for the target > EPC page but won't actually access that EPC page.
Actually, now that I think about it even more, why would ETRACK or EBLOCK access the page itself? They seem superficially like they'd be metadata-only too.