[libvirt] [PATCH 00/12 v6] Unprivleged SG_IO support
Daniel P. Berrange
berrange at redhat.com
Wed Dec 12 17:18:34 UTC 2012
On Tue, Dec 11, 2012 at 09:37:17PM +0800, Osier Yang wrote:
> As a result of RFC [1], this implements the unprivleged SG_IO
> support.
>
> v4 - v5:
> * Per discussion in [2], this set uses a hash table to
> store the shared disk's info. See 1/12 for more
> details.
>
> Osier Yang (12):
> qemu: Add a hash table for the shared disks
> docs: Add docs and rng schema for new XML cdbfilter
> conf: Parse and format the new XML tag cdbfilter
> util: Prepare helpers for unpriv_sgio setting
> qemu: Manage disk's unpriv_sgio in domain lifecyle
> qemu: Do not restore the sysfs unpriv_sgio if the disk is being
> shared
> qemu: Error out when domain starting if the cdbfilter setting
> conflicts
> qemu: Set unpriv_sgio when attaching disk
> qemu: Restore unpriv_sgio when detaching disk
> qemu: Error out if the shared disk conf conflicts with others when
> attaching
> qemu: Do not restore unpriv_sgio when detaching disk if it's still
> shared
> conf: Save disk's original unpriv_sgio state into status XML
IMHO this series would be a hell of alot simpler if we just
didn't bother restoring the original CBD value. The value only
really matters when VMs are actually running in any case
Daniel
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