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SubjectRe: [RFC PATCH 0/9] kvm: implement atomic memslot updates
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On 19/9/2022 12:13 am, Emanuele Giuseppe Esposito wrote:
>
> Am 09/09/2022 um 16:30 schrieb Sean Christopherson:
>> On Fri, Sep 09, 2022, Emanuele Giuseppe Esposito wrote:
>>> KVM is currently capable of receiving a single memslot update through
>>> the KVM_SET_USER_MEMORY_REGION ioctl.
>>> The problem arises when we want to atomically perform multiple updates,
>>> so that readers of memslot active list avoid seeing incomplete states.
>>>
>>> For example, in RHBZhttps://bugzilla.redhat.com/show_bug.cgi?id=1979276

Oh, thanks for stepping up to try to address it.

As it turns out, this issue was discovered "long" before
https://bugzilla.kernel.org/show_bug.cgi?id=213781

As a comment, relevant selftests are necessary and required.

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