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Re: [Qemu-devel] [PATCH] remove pieces of source code
From: |
Glauber Costa |
Subject: |
Re: [Qemu-devel] [PATCH] remove pieces of source code |
Date: |
Fri, 29 May 2009 08:32:30 -0300 |
User-agent: |
Jack Bauer |
On Fri, May 29, 2009 at 12:50:56AM -0500, Anthony Liguori wrote:
> Glauber Costa wrote:
> > Have you ever seen a girl so beautiful that you, geeky,
> > think: "I'll never stand a chance"?
> >
> > But sometimes, you decide to make your move anyway. There's
> > always the chance that in that very day she'll be specially
> > in good mood, and you'll get what you want.
> >
> > With the exception of the fact that qemu is not a girl,
> > that's more or less what I'm trying to do here: Hopefully,
> > nobody will notice what I'm trying to do, and will commmit it.
> > Later, when realizing, it will be too late. Victory will be mine.
> >
> > Or maybe people will even agree. For that, I'll try briefly
> > to arguee my point, without disclosing to much, avoiding
> > jeopardizing the strategy I explained above:
> >
> > This patch removes a piece of code that is unmaintaned,
> > that does not receive an update for years,
> > that get bug reports on the list that nobody fixes, because
> > nobody really understands,
> > that places some artificial constraints on other subsystems
> >
> > Signed-off-by: Glauber Costa <address@hidden
>
> Let's actually build a proper case instead of closing our eyes and
> hitting enter. Here are the downsides of kqemu I know of:
Okay... you do realize I was kidding, and I never really expected this to
happen at first, right? ;-)
>
> o Since it's enabled by default, it forces the default build to support
> < 4GB of guest memory
> o It attempts to use /dev/shm for guest memory which means a special
> option is needed in the default build to use more than 1/2 of host ram size
> o It touches an awful lot of places in QEMU
> o Some of the BIOS changes are particularly nasty and will prevent
> having a unified BIOS between QEMU and Bochs
> o The kernel bits will never go upstream for Linux
> o No one actively supports kqemu in upstream QEMU
>
> That said, here are the arguments for keeping kqemu
>
> o Even though it's unmaintained, it seems to work for people
But traffic in the mailing list indicates that it is less and less the case.
And more importantly: As it bitrots, nobody fixes it. so...
> o There is no alternative for non-Linux users and folks with non-VT/SVM
> hardware
Sure, but I don't think kqemu is such an alternative. ;-)
- [Qemu-devel] Re: [PATCH] remove pieces of source code, (continued)
- [Qemu-devel] Re: [PATCH] remove pieces of source code, Glauber Costa, 2009/05/29
- Re: [Qemu-devel] Re: [PATCH] remove pieces of source code, François Revol, 2009/05/30
- [Qemu-devel] Re: [PATCH] remove pieces of source code, Jan Kiszka, 2009/05/31
- Re: [Qemu-devel] Re: [PATCH] remove pieces of source code, Jamie Lokier, 2009/05/31
- [Qemu-devel] Re: [PATCH] remove pieces of source code, Jan Kiszka, 2009/05/31
Re: [Qemu-devel] [PATCH] remove pieces of source code,
Glauber Costa <=
- Re: [Qemu-devel] [PATCH] remove pieces of source code, Gerd Hoffmann, 2009/05/29
- [Qemu-devel] Re: [PATCH] remove pieces of source code, Consul, 2009/05/29
- Re: [Qemu-devel] Re: [PATCH] remove pieces of source code, Glauber Costa, 2009/05/29
- Re: [Qemu-devel] Re: [PATCH] remove pieces of source code, Andreas Färber, 2009/05/30
- [Qemu-devel] Re: [PATCH] remove pieces of source code, Jan Kiszka, 2009/05/31
- [Qemu-devel] Re: [PATCH] remove pieces of source code, Andreas Färber, 2009/05/31
- Re: [Qemu-devel] Re: [PATCH] remove pieces of source code, Avi Kivity, 2009/05/31
- Re: [Qemu-devel] Re: [PATCH] remove pieces of source code, M. Warner Losh, 2009/05/31
[Qemu-devel] Re: [PATCH] remove pieces of source code, Jan Kiszka, 2009/05/31