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Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm a
From: |
Cornelia Huck |
Subject: |
Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore |
Date: |
Tue, 26 Jun 2018 09:50:04 +0200 |
On Tue, 26 Jun 2018 06:40:56 +0200
Thomas Huth <address@hidden> wrote:
> On 25.06.2018 20:26, Paolo Bonzini wrote:
> > On 25/06/2018 19:30, Eduardo Habkost wrote:
> >>>> Attentive distros could even replace the wrapper script by a link.
> >>> If they are okay with replacing the "KVM only" semantics with "KVM or
> >>> TCG", which I think is generally worse.
> >>
> >> If we can't get agreement on what's the right default for each
> >> QEMU binary, I think that's yet another reason to document that
> >> upstream QEMU won't guarantee ABI compatibility if -accel is
> >> omitted.
> >
> > Before that we should ask what the benefit is in changing the default
> > for qemu-system-*. Nobody is using it in practice to start QEMU with
> > KVM enabled...
>
> That's certainly not true. I've seen a couple of times already that
> people ask on IRC why their guests are running so slow, and if you ask
> them about their command line, it's obvious that they simply were not
> aware of "-accel" / "-enable-kvm" yet.
>
> <semi-sarcastic>
> Maybe we simply should add a "--verbose" command line option that people
> can use to diagnose their problems:
>
> $ qemu-system-x86_64 --verbose
> QEMU emulator version 2.12.50
> Using 'tcg' accelerator. Use '-accel kvm' to speed things up.
> Machine type is 'pc-i440fx-3.0'. Use 'q35' for a more modern machine.
> ....
> </semi-sarcastic>
Not sure how serious you meant that, but I actually quite like the
idea :)
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, (continued)
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Eduardo Habkost, 2018/06/25
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Paolo Bonzini, 2018/06/25
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Eduardo Habkost, 2018/06/25
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Paolo Bonzini, 2018/06/26
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Eduardo Habkost, 2018/06/26
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Paolo Bonzini, 2018/06/26
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Eduardo Habkost, 2018/06/26
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Daniel P . Berrangé, 2018/06/26
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Paolo Bonzini, 2018/06/27
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Thomas Huth, 2018/06/26
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore,
Cornelia Huck <=
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Eduardo Habkost, 2018/06/26
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Markus Armbruster, 2018/06/26
- Re: [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore, Paolo Bonzini, 2018/06/27
Re: [Qemu-devel] [PATCH 0/4] Clean up accelerator options, Stefan Hajnoczi, 2018/06/13