linux-kernel - Re: [PATCH v1 3/3] kernel/configs: don't include PCI

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Message-ID: <b78f8715bbaec8fc728a85d614b00688@kernel.org>
Date:   Tue, 04 Aug 2020 15:59:20 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Alex Bennée <alex.bennee@...aro.org>
Cc:     kvm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, kvmarm@...ts.cs.columbia.edu,
        christoffer.dall@....com
Subject: Re: [PATCH  v1 3/3] kernel/configs: don't include PCI_QUIRKS in KVM
 guest configs

On 2020-08-04 15:44, Alex Bennée wrote:
> Marc Zyngier <maz@...nel.org> writes:
> 
>> On 2020-08-04 13:44, Alex Bennée wrote:
>>> The VIRTIO_PCI support is an idealised PCI bus, we don't need a bunch
>>> of bloat for real world hardware for a VirtIO guest.
>> 
>> Who says this guest will only have virtio devices?
> 
> This is true - although what is the point of kvm_guest.config? We
> certainly turn on a whole bunch of virt optimised pathways with 
> PARAVIRT
> and HYPERVISOR_GUEST along with the rest of VirtIO.

Most of which actually qualifies as bloat itself as far as KVM/arm64
is concerned...

          M.
-- 
Jazz is not dead. It just smells funny...