Re: [Qemu-devel] In-kernel emulation

[陳韋任]

> guest isa is different from host isa in this case.
> 
> Xin
> 
> On Fri, Oct 7, 2011 at 12:33 PM, 陳韋任 <address@hidden> wrote:
> 
> > > I am wondering that whether there are any attempts (product-oriented or
> > > research-based ) to push QEMU into the Linux kernel to speed up emulation.
> > > If the emulation is running in the kernel, there are some resources it can
> > > manipulate to speed up emulation in comparison to the when it is running 
> > > as
> > > a user process, i.e. MMU. Also, IO emulation may become faster, because 2

  I would like to know how you can leverage linux kernel to speed up
MMU/IO emulation if guest and host are different ISAs. :)

> > > kernel enters and exits are incurred for a network packet if QEMU is 
> > > running
> > > as a user process. If QEMU is running in the kernel, only 1 kernel enter 
> > > and
> > > exit are needed.  Any suggestions or discussions are welcome.
> >
> >   You want to use QEMU to emulate guest ISA different from the host?
> > If the ISA of guest and host is the same, then KVM is enough, I think.


-- 
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667