Question to Torvalds

By: Jukka Larja (roskakori2006.delete@this.gmail.com), January 12, 2021 6:05 am
Room: Moderated Discussions
Maynard Handley (name99.delete@this.name99.org) on January 11, 2021 9:33 am wrote:
> Jukka Larja (roskakori2006.delete@this.gmail.com) on January 11, 2021 5:21 am wrote:
> > Maynard Handley (name99.delete@this.name99.org) on January 9, 2021 3:12 pm wrote:
> >
> > > I ask this seriously: what does achieving raw metal linux achieve over VM linux?
> >
> > Let's turn this around: why would someone want to run anything
> > in a VM, if there's no downside to run on bare metal?
>
> This is like asking "why write code for iOS (or Windows, or Linux", I'll write to the bare metal.

Not really. There's rather large quantitative difference. Vast majority of user facing PC OSes are not run in a VM, or are run in a VM only from technical perspective, not in any user-visible way. Compare that with writing code to bare metal, which practicly no-one does (even if assembler counts are bare metal).

> What you get by running your 3rd part OS in a VM is a resource sharing protocol (with other OS's), the
> Apple security guarantees, and a ton of pre-existing code in the form of drivers and suchlike.

You presume that the person likes MacOS or has some reason (like a particular app) to run it. If you want to make such presumption, it's fine by me, but you have to spell it out. My default presumption is that people usually get by with just one OS per computer.

> Apple appears, pretty clearly, to believe that going forward providing VM
> support for alternative OS's is a good enough solution for most needs.

I agree with them, but don't really see how it's relevant to what you asked. You didn't specify any particular needs.

> So far all I've learned is that they're massively wrong on theological grounds (for some
> particular theologies) but not on anything that I would call a technical ground.

I don't particularly like MacOS, but I don't particularly like Linux desktop managers either. Main reason for that is that I don't want to waste my time learning to fluently use several OSes, if I can get by with one. Both MacOS and all flavors of Linux have limitations that make them less than optimal for my personal use and pretty much impossible for professional use.

So now that I've explained that one OS is enough, do you still think I should run it in VM under some other OS?

-JLarja
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        He asked disingenuously (NT)JS2021/01/09 08:33 PM
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          Question to TorvaldsMaynard Handley2021/01/11 10:33 AM
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                                      Question to TorvaldsJukka Larja2021/01/17 10:52 AM
            Question to TorvaldsDoug S2021/01/14 10:37 AM
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