lkml.org 
[lkml]   [2021]   [Nov]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH V3 6/6] dt-bindings: xen: Clarify "reg" purpose
On Wed, 24 Nov 2021 22:53:43 +0200, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
>
> 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@epam.com>
> ---
> 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@kernel.org>

\
 
 \ /
  Last update: 2021-11-29 02:03    [W:0.216 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site