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SubjectRe: [PATCH] KVM: s390: Do not leak kernel stack data in the KVM_S390_INTERRUPT ioctl
On 13.09.19 09:34, Thomas Huth wrote:
> On 13/09/2019 09.20, Cornelia Huck wrote:
>> On Thu, 12 Sep 2019 13:23:38 +0200
>> Thomas Huth <> wrote:
>>> Hmm, we already talked about deprecating support for pre-3.15 kernel
>>> stuff in the past (see
>>> for
>>> example),
>> Btw: did we ever do that? I don't quite recall what code we were
>> talking about...
> We never really did - but we also never fixed the issue: If you run the
> current QEMU on a kernel before 3.15, it refuses to work due to the
> missing in-kernel FLIC device:
> Initialization of device s390-flic-kvm failed: KVM is missing capability
> Since nobody really complained so far that running QEMU with KVM is
> still required on a kernel < 3.15, I think we could make this also
> "official" now and improve the error message a little bit, pointing the
> user to a kernel >= 3.15.

Didn't we discuss back then to clean up *QEMU* and not the *kernel*?
Especially, to wait with cleanups until somebody requests to fix
instead. I mean you could have any user space in the wild that still
makes use of these interfaces ...



David / dhildenb

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