Re: [Qemu-devel] [PATCH 00/16] QEMU vhost-scsi support

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On Fri, 2012-04-20 at 17:50 +1000, ronnie sahlberg wrote:
> On Fri, Apr 20, 2012 at 5:00 PM, Nicholas A. Bellinger
> <nab@xxxxxxxxxxxxxxx> wrote:
> > On Thu, 2012-04-19 at 19:20 -0500, Anthony Liguori wrote:
> >> Hi Nicholas,
> >>


> > The argument that a SCSI target for virtual machines is so complex that
> > it can't possibly be implemented properly in the kernel is a bunch of
> > non-sense.
> There are also other benefits to NOT implement scsi emulation in the
> kernel, aside from the security aspect of running large amounts of
> code inside kernel context vs within restricted userspace context.
> I am very happy to be able to add emulation of new opcodes or new
> features to tgtd WITHOUT having to recompile my kernel.

We can certainly add new emulation to an in-kernel target w/o having to
actually rebuild vmlinuz..  You just have to ensure that target_core_mod
is being built as a loadable module.



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