ARM64: Domain Equivalent support in ARMv8

[Ganapat Rao P Kulkarni]

Hi Will/Catalin,

The requirement what i posted is doable on ARMv8?
If yes, can you please suggest the way to do it!

regards
Ganapat

On Tue, Dec 10, 2013 at 1:17 PM, Ganapat Rao P Kulkarni
<gpkulkarni at gmail.com> wrote:
> Hi,
>
> I want to make kernel code ( all sections/blocks mapped to kernel
> code) as RO and change to R/W,  when ever hot-patch of kernel code is
> required.
> Also, R/W access changes should be available/visible to the core which
> sets R/W and all other cores continue to have RO access.
>
> This was easily done using Domain feature(by making Kernel Domain as
> Manager, using DACR) on ARMv7.
> However, on ARMv8, i see there is no domain support(in AARCH64) and
> not able to find the alternative optimal way.
>
> please suggest/share, if you have any ideas to do so.
>
> regards,
> Ganapat



-- 
regards,
Ganapat