Sparkler
Dev tools
virtual machine manager
SHOW HN2019
108points
8comments
#447of 2,195 in 2019
Top 21%of 2019 by points
How HN took it
QuietFewer than 5 comments about the project
1 positive, 2 neutral or asking, 0 mixed, 0 critical, out of 3 comments about the project.
Idea: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Fun idea of making up virtual hardware devices via KVM
From 1 comment
Nice writeup! > The VMM emulates some interesting hardware: a device that can read the latest tweet from Command Line Magic’s Twitter handle, a device that can get the weather…
mjb on HN
Questions
Why KVM's API uses ioctls on file descriptors rather than normal function calls
From 3 comments
> You can program KVM using the well known UNIX file paradigm. Does anyone know why the API was designed this way? Sending a bunch of ioctls to modify the KVM state seems no…
saagarjha on HNWhat would "normal function calls" mean? This is happening on the Linux syscall boundary.
rwmj on HNRight; why isn’t there a sys_kvm syscall that you can just call from a C program?
saagarjha on HN