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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Claudio Fontana <cfontana@suse.de>, qemu-devel@nongnu.org
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
	"Cornelia Huck" <cohuck@redhat.com>,
	kvm@vger.kernel.org, "David Hildenbrand" <david@redhat.com>,
	"Mark Cave-Ayland" <mark.cave-ayland@ilande.co.uk>,
	"Aleksandar Rikalo" <aleksandar.rikalo@syrmia.com>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	"Huacai Chen" <chenhuacai@kernel.org>,
	"Halil Pasic" <pasic@linux.ibm.com>,
	"Christian Borntraeger" <borntraeger@de.ibm.com>,
	"Hervé Poussineau" <hpoussin@reactos.org>,
	"Leif Lindholm" <leif@nuviainc.com>,
	"Thomas Huth" <thuth@redhat.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	"Alistair Francis" <alistair@alistair23.me>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Greg Kurz" <groug@kaod.org>,
	qemu-s390x@nongnu.org, qemu-arm@nongnu.org,
	"David Gibson" <david@gibson.dropbear.id.au>,
	"Radoslaw Biernacki" <rad@semihalf.com>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
	qemu-ppc@nongnu.org, "Paolo Bonzini" <pbonzini@redhat.com>,
	"Aurelien Jarno" <aurelien@aurel32.net>
Subject: Re: [PATCH 0/7] hw/kvm: Exit gracefully when KVM is not supported
Date: Fri, 19 Feb 2021 18:36:48 +0100	[thread overview]
Message-ID: <e59f2ee6-b438-5dc8-d236-adc9b5e22988@redhat.com> (raw)
In-Reply-To: <89bb6db0-0411-e219-3df8-8300664b54f3@suse.de>

On 2/19/21 1:34 PM, Claudio Fontana wrote:
> On 2/19/21 12:44 PM, Philippe Mathieu-Daudé wrote:
>> Hi,
>>
>> This series aims to improve user experience by providing
>> a better error message when the user tries to enable KVM
>> on machines not supporting it.
>>
>> Regards,
>>
>> Phil.
> 
> Hi Philippe, not sure if it fits in this series,
> 
> but also the experience of a user running on a machine with cortex-a72,
> choosing that very same cpu with -cpu and then getting:
> 
> qemu-system-aarch64: kvm_init_vcpu: kvm_arch_init_vcpu failed (0): Invalid argument
> 
> is not super-friendly. Maybe some suggestion to use -cpu host with KVM could be good?

I agree this should be improved, but it is out of the scope of this
series :)



      reply	other threads:[~2021-02-19 17:38 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-19 11:44 [PATCH 0/7] hw/kvm: Exit gracefully when KVM is not supported Philippe Mathieu-Daudé
2021-02-19 11:44 ` [PATCH 1/7] accel/kvm: Check MachineClass kvm_type() return value Philippe Mathieu-Daudé
2021-02-19 11:44 ` [PATCH 2/7] hw/boards: Introduce 'kvm_supported' field to MachineClass Philippe Mathieu-Daudé
2021-02-19 11:57   ` Daniel P. Berrangé
2021-02-19 12:08     ` Peter Maydell
2021-02-19 12:10       ` Daniel P. Berrangé
2021-02-19 15:52       ` Leif Lindholm
2021-02-19 11:44 ` [PATCH 3/7] hw/arm: Set kvm_supported for KVM-compatible machines Philippe Mathieu-Daudé
2021-02-19 11:44 ` [PATCH 4/7] hw/mips: " Philippe Mathieu-Daudé
2021-02-19 11:44 ` [RFC PATCH 5/7] hw/ppc: " Philippe Mathieu-Daudé
2021-02-19 11:44 ` [PATCH 6/7] hw/s390x: Set kvm_supported to s390-ccw-virtio machines Philippe Mathieu-Daudé
2021-02-19 11:44 ` [PATCH 7/7] accel/kvm: Exit gracefully when KVM is not supported Philippe Mathieu-Daudé
2021-02-19 11:55 ` [PATCH 0/7] hw/kvm: " Peter Maydell
2021-02-19 12:09   ` Philippe Mathieu-Daudé
2021-02-19 12:00 ` Daniel P. Berrangé
2021-02-19 12:15   ` Philippe Mathieu-Daudé
2021-02-19 12:18     ` Daniel P. Berrangé
2021-02-19 13:10       ` Philippe Mathieu-Daudé
2021-02-19 12:34 ` Claudio Fontana
2021-02-19 17:36   ` Philippe Mathieu-Daudé [this message]

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