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The meory > that sched_ext needs to access is super different from, say, what a > socket-filtering eBPF program would need. > > So this doesn't seem to be likely to be true "eBPF isolation" as much as > sched_ext+eBPP isolation. Our current isolation model focuses on restricting writes and execution. Therefore, if we allocate only the memory that eBPF programs must write directly with a separate pkey (e.g., packet data or sock), it seems to me that socket-filtering programs could also benefit from the same isolation. Is there anything I might be overlooking? -- Sincerely, Yeoreum Yun IMPORTANT NOTICE: The contents of this email and any attachments are confid= ential and may also be privileged. If you are not the intended recipient, p= lease notify the sender immediately and do not disclose the contents to any= other person, use it for any purpose, or store or copy the information in = any medium. Thank you.