Re: [PATCH] drivers: soc: qcom: smem: Switch partitions to xarray

[Shawn Guo]

On Fri, Apr 10, 2026 at 11:02:30AM +0530, Pranav Mahesh Phansalkar wrote:
> From: Tony Truong <tony.truong@xxxxxxxxxxxxxxxx>
> 
> The partitions array is currently statically sized and uses the remote
> host ID as an index.
> 
> Future protocol improvements to allow for more than two hosts in a
> partition will require hostIDs to be bitwise significant integers.
> This will result in large, sparse host IDs that generally exceed the
> current static limit.
> 
> Switch to using xarray to efficiently handle these sparse indices and
> allow for dynamic growth.
> 
> Signed-off-by: Tony Truong <tony.truong@xxxxxxxxxxxxxxxx>
> Signed-off-by: Pranav Mahesh Phansalkar <pranav.phansalkar@xxxxxxxxxxxxxxxx>

Nit: drop "drivers: " from subject prefix to match the existing style.

Tested-by: Shawn Guo <shengchao.guo@xxxxxxxxxxxxxxxx> # On Nord