rough sketch of revised patching infrastructure

[Ian.Campbell at xensource.com (Ian Campbell)]

On Thu, 2007-02-22 at 10:13 -0800, Jeremy Fitzhardinge wrote:
> unsigned paravirt_patch_default(u8 type, u16 clobbers, void *site,
> unsigned len)
> +{
> +       void *opfunc = *((void **)&paravirt_ops + type);
> +       unsigned ret;
> +
> +       if (opfunc == (void *)native_nop || opfunc == NULL)
> +               ret = paravirt_patch_nop(type, clobbers, site, len);
> +       else if (type == PARAVIRT_PATCH(iret) ||
> +                type == PARAVIRT_PATCH(irq_enable_sysexit))
> +               ret = paravirt_patch_jmp(type, clobbers, site, len);
> +       else
> +               ret = paravirt_patch_jmp(type, clobbers, site, len);

Should be a paravirt_patch_call?

Ian.