Wow, this is such a cool idea. Translating regular instructions to SIMD instructions in order to run 16 copies of the same program at once, for fuzzing!https://gamozolabs.github.io/fuzzing/2018/10/14/vectorized_emulation.html …
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I'll take OSes offering sane and performant page table and page fault handling APIs first, thanks :/
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meh, that’s what kvm/Hypervisor.framework/the new Windows equivalent are for :p
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Byte-by-byte access permissions? Please enjoy the sheer size of those page tables

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Only needs to be used for some pages :p
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FYI, hardware access checks with 128-byte granularity are probably going to be a thing soon: Xen: https://www.slideshare.net/xen_com_mgr/xpdds18-eptbased-subpage-write-protection-on-xenc-yi-zhang-intel … KVM: https://lwn.net/Articles/736322/ … intel docs: https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf … (chapter 3)
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