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From: Paolo Bonzini <pbonzini@redhat.com>
To: Vitaly Kuznetsov <vkuznets@redhat.com>, qemu-devel@nongnu.org
Cc: Richard Henderson <richard.henderson@linaro.org>,
	Eduardo Habkost <ehabkost@redhat.com>,
	"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH 0/2] i386: Fix interrupt based Async PF enablement
Date: Thu, 8 Apr 2021 14:46:08 +0200	[thread overview]
Message-ID: <091dec53-cc0c-04ca-154a-3cfab6475705@redhat.com> (raw)
In-Reply-To: <87sg43d4gk.fsf@vitty.brq.redhat.com>

On 06/04/21 13:42, Vitaly Kuznetsov wrote:
> older machine types are still available (I disable it for <= 5.1 but we
> can consider disabling it for 5.2 too). The feature is upstream since
> Linux 5.8, I know that QEMU supports much older kernels but this doesn't
> probably mean that we can't enable new KVM PV features unless all
> supported kernels have it, we'd have to wait many years otherwise.

Yes, this is a known problem in fact. :(  In 6.0 we even support RHEL 7, 
though that will go away in 6.1.

We should take the occasion of dropping RHEL7 to be clearer about which 
kernels are supported.


  reply	other threads:[~2021-04-08 12:47 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-01 15:19 [PATCH 0/2] i386: Fix interrupt based Async PF enablement Vitaly Kuznetsov
2021-04-01 15:19 ` [PATCH 1/2] i386: Add 'kvm-asyncpf-int' to kvm_default_props array Vitaly Kuznetsov
2021-04-01 15:19 ` [PATCH 2/2] i386: Disable 'kvm-asyncpf-int' feature for machine types <= 5.1 Vitaly Kuznetsov
2021-04-01 15:57 ` [PATCH 0/2] i386: Fix interrupt based Async PF enablement Paolo Bonzini
2021-04-06 11:42   ` Vitaly Kuznetsov
2021-04-08 12:46     ` Paolo Bonzini [this message]
2021-04-15 19:14       ` Dr. David Alan Gilbert
2021-04-20 17:35         ` Eduardo Habkost
2021-04-21  8:38           ` Vitaly Kuznetsov
2021-04-21  8:50             ` Daniel P. Berrangé
2021-04-21  9:23               ` Dr. David Alan Gilbert
2021-04-21  9:29               ` Vitaly Kuznetsov
2021-04-21  9:34                 ` Dr. David Alan Gilbert
2021-04-21  9:37                 ` Daniel P. Berrangé
2021-04-21  9:48                   ` Vitaly Kuznetsov

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