>>> On 24.08.16 at 04:22, <konrad.w...@oracle.com> wrote: > The NOP functionality will NOP any of the code at > the 'old_addr' or at 'name' if the 'new_addr' is zero. > The purpose of this is to NOP out calls, such as: > > e8 <4-bytes-offset> > > (5 byte insn), or on ARM a 4 byte insn for branching. > But on x86 we could NOP instructions that are much > shorter or longer (up to 15 bytes).
And we could NOP multiple instructions in one go, i.e. the new boundary you introduce is still arbitrary. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel