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Re: [libvirt] [PATCH 5/7] Add auditing of start/stop events to the QEMU driver



On Wed, Oct 27, 2010 at 04:33:03PM +0200, Daniel Veillard wrote:
> On Wed, Oct 27, 2010 at 12:36:15PM +0100, Daniel P. Berrange wrote:
> > Add audit hooks to report all start and stop events on QEMU
> > guest domains.
> > 
> > * src/qemu/qemu_driver.c: Audit start/stop events
> > ---
> >  src/qemu/qemu_driver.c |   59 ++++++++++++++++++++++++++++++++++++++++++++++-
> >  1 files changed, 57 insertions(+), 2 deletions(-)
> 
>   patch 1-4 trivial ACKs
> 
> One of the differences if we lock down in the driver (beside the
> redundancy that will be needed) is that we end up writing to the
> audit system deep in the driver with all the locks needed for operation.
> Is there a risk of being blocked while writing to the audit system ?
> This could potentially be a problem because all operations on the
> domain would be stopped during that time.

Quite possibly, but I believe audit people would describe this scenario
as a feature, rather than a bug :-)

Daniel
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