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Re: [PATCH v4 1/2] arm/kvm: add support for MTE
From: |
Cornelia Huck |
Subject: |
Re: [PATCH v4 1/2] arm/kvm: add support for MTE |
Date: |
Thu, 26 Jan 2023 13:15:46 +0100 |
User-agent: |
Notmuch/0.37 (https://notmuchmail.org) |
On Thu, Jan 26 2023, Cornelia Huck <cohuck@redhat.com> wrote:
> On Mon, Jan 23 2023, Eric Auger <eauger@redhat.com> wrote:
>
>> Hi Connie,
>> On 1/11/23 17:13, Cornelia Huck wrote:
>>> if (vms->mte && (kvm_enabled() || hvf_enabled())) {
>>> error_report("mach-virt: %s does not support providing "
>>> - "MTE to the guest CPU",
>>> + "emulated MTE to the guest CPU",
>> each time I read this message I feel difficult to understand it. Why not
>> replacing by
>> "mach-virt does not support tag memory with %s acceleration" or
>> something alike?
>
> Hmm... well, it does not support tag memory with kvm/hvf, and the
> consequence of this is that kvm/hvf cannot provide support for emulated
> mte... what about
>
> "mach-virt: tag memory not supported with %s, emulated MTE cannot be
> provided to the guest CPU"
>
> Might be a bit long, though.
"mach-virt: %s does not support providing emulated MTE to the guest CPU
(tag memory not supported)" seems to align better with the other error
messages in that function.
>
>>> kvm_enabled() ? "KVM" : "HVF");
>>> exit(1);
>>> }
Re: [PATCH v4 1/2] arm/kvm: add support for MTE, Richard Henderson, 2023/01/17
Re: [PATCH v4 1/2] arm/kvm: add support for MTE, Eric Auger, 2023/01/23
[PATCH v4 2/2] qtests/arm: add some mte tests, Cornelia Huck, 2023/01/11