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Date:   Mon, 18 Sep 2017 16:44:32 +1000
From:   Michael Ellerman <>
To:     Jan H. Schönherr <>,
        Paolo Bonzini <>,
        Radim Krčmář <>
        Jan H. Schönherr 
        Abdul Haleem <>,
Subject: Re: [PATCH] Revert "KVM: Don't accept obviously wrong gsi values via KVM_IRQFD"

"Jan H. Schönherr" <> writes:

> This reverts commit 36ae3c0a36b7456432fedce38ae2f7bd3e01a563.
> The commit broke compilation on !CONFIG_HAVE_KVM_IRQ_ROUTING. Also,
> there may be cases with CONFIG_HAVE_KVM_IRQ_ROUTING, where larger
> gsi values make sense.
> As the commit was meant as an early indicator to user space that
> something is wrong, reverting just restores the previous behavior
> where overly large values are ignored when encountered (without
> any direct feedback).
> Reported-by: Abdul Haleem <>
> Signed-off-by: Jan H. Schönherr <>
> ---
>  virt/kvm/eventfd.c | 2 --
>  1 file changed, 2 deletions(-)

Can someone merge this or preferably just send it straight to Linus, the
original patch has broken the powerpc build in mainline.


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