On Mon, Nov 08, 2021 at 11:02:25PM -0800, Vikram Garhwal wrote: > xc_dt_overlay() sends the device tree binary overlay, size of .dtbo and > overlay > operation type i.e. add or remove to xen. > > Signed-off-by: Vikram Garhwal <fnu.vik...@xilinx.com> > --- > tools/include/xenctrl.h | 5 +++++ > tools/libs/ctrl/Makefile | 1 + > tools/libs/ctrl/xc_overlay.c | 51 > ++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 57 insertions(+) > create mode 100644 tools/libs/ctrl/xc_overlay.c > > diff --git a/tools/include/xenctrl.h b/tools/include/xenctrl.h > index 07b96e6..cfd7c5c 100644 > --- a/tools/include/xenctrl.h > +++ b/tools/include/xenctrl.h > @@ -2684,6 +2684,11 @@ int xc_livepatch_replace(xc_interface *xch, char > *name, uint32_t timeout, uint32 > int xc_domain_cacheflush(xc_interface *xch, uint32_t domid, > xen_pfn_t start_pfn, xen_pfn_t nr_pfns); > > +#if defined (CONFIG_OVERLAY_DTB) > +int xc_dt_overlay(xc_interface *xch, void *overlay_fdt, int overlay_fdt_size, > + uint8_t overlayop); > +#endif > + > /* Compat shims */ > #include "xenctrl_compat.h" > > diff --git a/tools/libs/ctrl/Makefile b/tools/libs/ctrl/Makefile > index 519246b..a21a949 100644 > --- a/tools/libs/ctrl/Makefile > +++ b/tools/libs/ctrl/Makefile > @@ -3,6 +3,7 @@ include $(XEN_ROOT)/tools/Rules.mk > > SRCS-y += xc_altp2m.c > SRCS-y += xc_cpupool.c > +SRCS-$(CONFIG_OVERLAY_DTB) += xc_overlay.c
So, this patch seems to introduce the use of CONFIG_OVERLAY_DTB, is there a reason why the new functionality can't be always builtin? Thanks, -- Anthony PERARD
