On Fri, Jan 05, 2018 at 05:45:06PM +0100, Borislav Petkov wrote: > On Fri, Jan 05, 2018 at 04:41:46PM +0000, Woodhouse, David wrote: > > Nope, alternatives are broken. Only a jmp as the *first* opcode of > > altinstr gets handled by recompute_jump(), while any subsequent insn is > > just copied untouched. > > Not broken - simply no one needed it until now. I'm looking into it. > Looks like the insn decoder might come in handy finally. > > :-)
I seem to recall that we also discussed the need for this for converting pvops to use alternatives, though the "why" is eluding me at the moment. -- Josh
