On 07/12/17 14:18, Jan Beulich wrote:
> @@ -1778,6 +1781,42 @@ void *sh_emulate_map_dest(struct vcpu *v
> return map;
> }
>
> +/**/
> +/* Optimization: If we see two emulated writes of zeros to the same
> + * page-table
By adding guest PTE size to shadow emulation context, the work begun by
commit 2c80710a78 ("x86/shadow: compile most write emulation code just
once") can be completed, paving the road for further movement into
common code.
Signed-off-by: Jan Beulich
---
v3: New.
--- a/xen/arch/x86/mm/shadow/comm
