Re: [PATCH 3/6] remoteproc: qcom: Add helper function to support IOMMU devmem translation

[neil . armstrong]

Hi,

On 07/10/2024 16:37, Mukesh Ojha wrote:
> On Mon, Oct 07, 2024 at 10:08:16AM +0200, neil.armstrong@xxxxxxxxxx wrote:
> > On 04/10/2024 23:23, Mukesh Ojha wrote:
> > > From: Shiraz Hashim <quic_shashim@xxxxxxxxxxx>
> > >
> > > Qualcomm SoCs runnning with Qualcomm EL2 hypervisor(QHEE), IOMMU
> > > translation set up for remote processors is managed by QHEE itself
> > > however, for a case when these remote processors has to run under KVM
> >
> > This is not true, KVM is a Linux hypervisor, remote processors have
> > nothing to do with KVM, please rephrase.
>
> Thanks, perhaps something like this,
>
> "However, when same SoC runs with KVM configuration, remoteproc IOMMU
> translation needs to be set from Linux host running remoteproc PAS
> driver"

Thanks but I still don't see what KVM has to do here, KVM is an an optional
Linux kernel feature, Linux can be configured without KVM and still perfectly
startup those remoteprocs.

Neil

> -Mukesh