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Re: [Qemu-devel] [PATCH] kvm: add detail error message when fail to add
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [PATCH] kvm: add detail error message when fail to add ioeventfd |
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Date: |
Wed, 22 May 2013 11:32:27 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
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 <address@hidden>
> ---
> 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 <address@hidden>