| Date | Fri, 26 Apr 2019 10:07:50 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: [RFC PATCH 0/7] x86: introduce system calls addess space isolation |
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On Thu, 25 Apr 2019, Andy Lutomirski wrote:
> The benefit seems to come from making sure that the RET instruction > actually goes somewhere that's already been faulted in.
Which doesn't seem to be really compatible with things like retpolines or anyone using FTRACE_WITH_REGS to modify stored instruction pointer.
-- Jiri Kosina SUSE Labs
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