On Thu, Sep 08, 2022 at 11:30:41AM +0200, Peter Zijlstra wrote: > Once that lands the rules are: > > 0-5 INT3 after RET, !CONFIG_RETHUNK && !CONFIG_SLS: 0 > CONFIG_SLS: 1 > CONFIG_RETHUNK: 4-5 depending on compiler version > > 0-1 INT3 after RET: !CONFIG_SLS: 0 > CONFIG_SLS: 0-1 depending on compiler version > > Now, given we know the compiler version at build time, this could be > determined and used in kprobes, but meh. Oh also, for giggles, we have a number of sites that have ret;int3 independent of CONFIG_SLS because that was easier than figuring out what all should be done.
