Messages in this thread | | | Date | Thu, 4 May 2017 08:47:17 -0700 | From | Christoph Hellwig <> | Subject | Re: [RFC, PATCH] x86_64: KAISER - do not map kernel in user mode |
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On Thu, May 04, 2017 at 12:02:47PM +0200, Daniel Gruss wrote: > After several recent works [1,2,3] KASLR on x86_64 was basically considered > dead by many researchers. We have been working on an efficient but effective > fix for this problem and found that not mapping the kernel space when > running in user mode is the solution to this problem [4] (the corresponding > paper [5] will be presented at ESSoS17).
I'll try to read the paper. In the meantime: how different is your approach from then one here?
https://lwn.net/Articles/39283/
and how different is the performance impact?
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