Reading privileged memory with a side-channel

Re:Reading privileged memory with a side-channel by rasz on Wednesday January 03, 2018 @10:29PM (#16067818)

Keep a small pool of cache lines exclusive to speculative execution, discard when non taken, rename affected cache lines (like register renaming so no copy) when taken.

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Re:Reading privileged memory with a side-channel by ant6n on Thursday January 04, 2018 @12:40PM (#16072250)

Also, separate BTB for each process and privilege level.

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Re:Reading privileged memory with a side-channel by rasz on Thursday January 04, 2018 @03:58PM (#16074007)

Yes, this would have a bonus effect of actually gaining IPC in multi process loads.

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