Re: [PATCH v2 1/4] KVM: arm64: Allow userspace to change MIDR_EL1

[罗勇刚(Yonggang Luo)]

On Mon, Feb 17, 2025 at 2:09 AM Marc Zyngier <maz@xxxxxxxxxx> wrote:
>
> On Sat, 15 Feb 2025 19:04:20 +0000,
> "罗勇刚(Yonggang Luo)" <luoyonggang@xxxxxxxxx> wrote:
> >
> > According to this, the MIDR EL1 is updated properly, but the MIDR for
> > aarch32 is not updated, and I don't know how to hook the update for
> > MIDR for aarch32
>
> It is the same thing. The AArch32 view is configured the same way as
> the AArch64 view, and there is nothing to do at all (that's what
> VPIDR_EL2 is all about).
>
> With Oliver's change, I'm correctly getting a different MIDR using a
> hacked up kvmtool, see below. I suspect you're not running with the
> correct patch applied.
>
The applied patch is V2, with writing vpidr_el2 disabled, Is that the cause?
The branch is here
https://github.com/lygstate/linux/tree/main
I am not applying your patch

-- 
         此致
礼
罗勇刚
Yours
    sincerely,
Yonggang Luo