100ms for Linux Kernel + initramfs boot?

On Wednesday, March 26, 2025, Gernot Heiser <ger...@unsw.edu.au> wrote:
> On 27 Mar 2025, at 08:16, Hugo V.C. via Devel <devel@sel4.systems> wrote:
>>
>> "Having to rely on VMs for anything that isn’t written from scratch for
>> seL4 would not be great."
>>
>> A stripped down Linux kernel seL4 VM boots in few seconds. Just tweak
Linux
>> to be fast and have a full flexible environment. As a QubesOS user I
don't
>> see any speed difference from running Xen guests…
>
> That seems long. We used to have this down to the order of 100ms (but I
don’t think anyone looked into VM startup times recently).
>
> Gernot
>
>
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