On Mon, Sep 28, 2020 at 02:32:24PM +0200, Jan Beulich wrote: > There's no point having every replacement variant to also specify the > INT3 - just have it once in the base macro. When patching, NOPs will get > inserted, which are fine to speculate through (until reaching the INT3). > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Acked-by: Roger Pau Monné <roger....@citrix.com> > --- > I also wonder whether the LFENCE in IND_THUNK_RETPOLINE couldn't be > replaced by INT3 as well. Of course the effect will be marginal, as the > size of the thunk will still be 16 bytes when including tail padding > resulting from alignment. I think Andrew is the best one to have an opinion on this. Thanks, Roger.
