linux-kernel - Re: [GIT PULL] KVM fixes for 4.10 merge window

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Date:   Sat, 17 Dec 2016 03:22:37 -0500 (EST)
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Radim Krčmář <rkrcmar@...hat.com>,
        KVM list <kvm@...r.kernel.org>
Subject: Re: [GIT PULL] KVM fixes for 4.10 merge window


> On Fri, Dec 16, 2016 at 8:57 AM, Paolo Bonzini <pbonzini@...hat.com> wrote:
> >
> >   git://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus
> 
> This piece-of-shit branch has obviously never been even compile-tested:
> 
>   arch/x86/kernel/kvm.c: In function ‘__kvm_vcpu_is_preempted’:
>   arch/x86/kernel/kvm.c:596:14: error: ‘struct kvm_steal_time’ has no
> member named ‘preempted’
> 
> where commit b94c3698b4b0 ("Revert "x86/kvm: Support the vCPU
> preemption check"") removed the "preempted" field from struct
> kvm_steal_time, but you left this in place:
> 
>   __visible bool __kvm_vcpu_is_preempted(int cpu)
>   {
>           struct kvm_steal_time *src = &per_cpu(steal_time, cpu);
> 
>           return !!src->preempted;
>   }
> 
> And no, that is not a merge artifact in my tree (although that
> function did come in from Ingo). That compile failure comes from your
> very own branch.

Yes, it does.  Well, to be honest I did test this (not just compile-test
it) but I didn't have KVM guest support turned on, only KVM host support.

Sorry, I'll resend it and make sure I do a "make allmodconfig" in the
future (and not send pull requests at 6 PM on Friday).

Paolo