linux-kernel - Re: Build regressions/improvements in v4.7-rc6

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Message-ID: <f2b404d1-5212-8698-c8dd-c94e34160a70@redhat.com>
Date:	Mon, 4 Jul 2016 13:06:54 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Arnd Bergmann <arnd@...db.de>, linux-arm-kernel@...ts.infradead.org
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org
Subject: Re: Build regressions/improvements in v4.7-rc6



On 04/07/2016 11:17, Arnd Bergmann wrote:
> 
> If we want to avoid this one, we could make the inclusion of
> drivers/vhost/Kconfig from arch/arm/kvm/Kconfig depend on CONFIG_AEABI,
> or perhaps go further force-enable CONFIG_AEABI for ARMv6k and higher
> (cmpxchg64() is broken on OABI too), and only include vhost if KVM
> is enabled (KVM in turn requires ARMv7).

I don't think it is correct to include vhost only if KVM is enabled.
vhost is an implementation of virtio; it is usually used together with
KVM but there's no dependency between the two.

Paolo