On Wed, 24 Nov 2021 22:53:43 +0200, Oleksandr Tyshchenko wrote: > From: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx> > > Xen on Arm has gained new support recently to calculate and report > extended regions (unused address space) safe to use for external > mappings. These regions are reported via "reg" property under > "hypervisor" node in the guest device-tree. As region 0 is reserved > for grant table space (always present), the indexes for extended > regions are 1...N. > > No device-tree bindings update is needed (except clarifying the text) > as guest infers the presence of extended regions from the number > of regions in "reg" property. > > Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx> > --- > According to the recent update to Xen's guest.txt: > https://xenbits.xen.org/gitweb/?p=xen.git;a=blob_plain;f=docs/misc/arm/device-tree/guest.txt;hb=refs/heads/master > > Changes V2 -> V3: > - new patch > --- > Documentation/devicetree/bindings/arm/xen.txt | 12 ++++++++---- > 1 file changed, 8 insertions(+), 4 deletions(-) > Acked-by: Rob Herring <robh@xxxxxxxxxx>
