Re: [PATCH] kvm: add detail error message when fail to add ioeventfd

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On Wed, May 22, 2013 at 12:57:35PM +0800, Amos Kong wrote:
> I try to hotplug 28 * 8 multiple-function devices to guest with
> old host kernel, ioeventfds in host kernel will be exhausted, then
> qemu fails to allocate ioeventfds for blk/nic devices.
> 
> It's better to add detail error here.
> 
> Signed-off-by: Amos Kong <akong@xxxxxxxxxx>
> ---
>  kvm-all.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)

It would be nice to make kvm bus scalable so that the hardcoded
in-kernel I/O device limit can be lifted.

Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
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