Subj : [$] Rethinking the Linux cloud stack for confidential VMs
To   : All
From : LWN.net
Date : Sat Jul 26 2025 06:40:07

There is an inherent limit to the privacy of the public
cloud. While Linux can isolate virtual machines (VMs) from each other,
nothing in the system's memory is ultimately out of reach for the host cloud
provider. To accommodate the most privacy-conscious clients, confidential
computing protects the memory of guests, even from
hypervisors. But the Linux cloud stack needs to be rethought in order to host
confidential VMs, juggling two goals that are often at odds: performance
and security.

https://lwn.net/Articles/1030818/
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