From: Markus Armbruster <armbru@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Kevin Wolf" <kwolf@redhat.com>, "Thomas Huth" <thuth@redhat.com>,
"Daniel Berrange" <berrange@redhat.com>,
qemu-block@nongnu.org, qemu-devel@nongnu.org,
"Wainer dos Santos Moschetta" <wainersm@redhat.com>,
"Max Reitz" <mreitz@redhat.com>,
"Christophe de Dinechin" <dinechin@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: Re: Priority of -accel
Date: Tue, 14 Jan 2020 09:59:10 +0100 [thread overview]
Message-ID: <87lfqajtwh.fsf@dusky.pond.sub.org> (raw)
In-Reply-To: <ff78d961-9432-c84d-4bba-6df14b1a5a79@redhat.com> (Paolo Bonzini's message of "Mon, 13 Jan 2020 17:25:04 +0100")
Paolo Bonzini <pbonzini@redhat.com> writes:
> On 13/01/20 17:17, Markus Armbruster wrote:
>> Perfect opportunity to change the default to something more useful.
>
> I am not sure acutally if it's that more useful, now that we have
> sanctioned qemu-kvm as the fast alternative.
If there is a fast alternative, why ship the slow one?
> Particularly it would be confusing for qemu-system-x86_64 to use
> hardware virtualization on Linux, but not on other operating systems
> where the accelerators are not stable enough.
Hardly more confusing than qemu-kvm not using hardware virtualization
when /dev/kvm is unavailable.
No matter what we do, somebody is going to be confused. How to resolve
such a conundrum? Utilitarian philosophy teaches us to pursue the
greatest confusion of the greatest numbers. I think not using x86
hardware virtualization by default has been admirably successful there.
;-P
next prev parent reply other threads:[~2020-01-14 9:00 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-06 13:09 [PATCH] tests/qemu-iotests: Update tests to recent desugarized -accel option Philippe Mathieu-Daudé
2020-01-06 13:16 ` Max Reitz
2020-01-07 10:03 ` Priority of -accel (was: [PATCH] tests/qemu-iotests: Update tests to recent desugarized -accel option) Thomas Huth
2020-01-07 10:14 ` Paolo Bonzini
2020-01-07 12:18 ` Thomas Huth
2020-01-07 12:23 ` Paolo Bonzini
2020-01-07 12:54 ` Daniel P. Berrangé
2020-01-07 14:14 ` Thomas Huth
2020-01-07 14:20 ` Priority of -accel Philippe Mathieu-Daudé
2020-01-07 14:27 ` Daniel P. Berrangé
2020-01-07 14:35 ` Thomas Huth
2020-01-13 14:39 ` Markus Armbruster
2020-01-13 16:14 ` Christophe de Dinechin
2020-01-13 16:23 ` Paolo Bonzini
2020-01-07 14:26 ` Priority of -accel (was: [PATCH] tests/qemu-iotests: Update tests to recent desugarized -accel option) Daniel P. Berrangé
2020-01-08 10:39 ` Alex Bennée
2020-01-08 10:58 ` Thomas Huth
2020-01-08 12:41 ` Paolo Bonzini
2020-01-08 13:10 ` Daniel P. Berrangé
2020-01-08 13:24 ` Paolo Bonzini
2020-01-08 14:00 ` Priority of -accel Thomas Huth
2020-01-08 11:00 ` Priority of -accel (was: [PATCH] tests/qemu-iotests: Update tests to recent desugarized -accel option) Peter Maydell
2020-01-10 10:43 ` Peter Maydell
2020-01-07 12:29 ` Kevin Wolf
2020-01-07 12:34 ` Priority of -accel Philippe Mathieu-Daudé
2020-01-07 12:37 ` Philippe Mathieu-Daudé
2020-01-07 13:55 ` Priority of -accel (was: [PATCH] tests/qemu-iotests: Update tests to recent desugarized -accel option) Christophe de Dinechin
2020-01-07 14:37 ` Paolo Bonzini
2020-01-07 14:42 ` Thomas Huth
2020-01-07 17:43 ` Christophe de Dinechin
2020-01-07 17:53 ` Peter Maydell
2020-01-08 9:47 ` Kevin Wolf
2020-01-13 16:17 ` Priority of -accel Markus Armbruster
2020-01-13 16:25 ` Paolo Bonzini
2020-01-14 8:59 ` Markus Armbruster [this message]
2020-01-14 10:44 ` Paolo Bonzini
2020-01-14 17:49 ` Christophe de Dinechin
2020-01-14 17:59 ` Daniel P. Berrangé
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