@marcan42 looks to me like S/360 memory keys...
Heh, the new Intel "Memory Protection Keys" seems identical to the Domain Access bits that ARM has had for ages.http://lwn.net/Articles/643797/ …
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@pawel_lasek Yup, ARM certainly didn't invent it. Though it's fun seeing behemoth Intel x86_64 taking an idea that old ARM already had :-)
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@marcan42 interestingly, ARM removed it with LPAE/AArch64... -
@oshepherd Hah! I wonder if that was a case of "well, x86_64 doesn't have it and nobody seems to care".
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@grsecurity Yeah, DACR would require a kernel layer, but should allow similar usage. The instr. fetch tidbit stuff is interesting though.Thanks. Twitter will use this to make your timeline better. UndoUndo
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