On Fri, 2007-03-16 at 10:20 +0100, Ingo Molnar wrote: > * Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: > > > Implement the actual patching machinery. paravirt_patch_default() > > contains the logic to automatically patch a callsite based on a few > > simple rules: > > > > - if the paravirt_op function is paravirt_nop, then patch nops > > - if the paravirt_op function is a jmp target, then jmp to it > > - if the paravirt_op function is callable and doesn't clobber too much > > for the callsite, call it directly > > > > paravirt_patch_default is suitable as a default implementation of > > paravirt_ops.patch, will remove most of the expensive indirect calls > > in favour of either a direct call or a pile of nops. > > Acked-by: Ingo Molnar <mingo@xxxxxxx> I like this one too, but note that it needs a twist when we change to use direct calls to wrappers for the Great paravirt_ops Unexporting. Rusty. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
