Re: [PATCH v8] arm64: dts: qcom: kodiak: Add EL2 overlay

From: Konrad Dybcio

Date: Mon Jun 29 2026 - 07:39:54 EST


On 6/25/26 3:14 AM, Miaoqing Pan wrote:
>
>
> On 6/24/2026 2:39 PM, Mukesh Ojha wrote:
>> All the existing variants Kodiak boards are using Gunyah hypervisor
>> which means that, so far, Linux-based OS could only boot in EL1 on those
>> devices.  However, it is possible for us to boot Linux at EL2 on these
>> devices [1].

[...]

> Is it necessary to redefine |wlan_ce_mem|? Can we consider updating |qcs6490-rb3gen2.dts|?
> I have verified that with the following changes, *NON-KVM works fine*, and |wlan_ce_mem| is only used by the WCN6750 firmware.

Is there a good reason non-chrome devices never defined that region in
the first place?

My guess-understanding is that UEFI allocates a region for it on
Qualcomm platforms already, and if unspecified, we reserve memory
again, wherever the allocator decides to

is that roughly right?

Konrad