On Mon, Jun 04, 2012 at 10:38:17AM +0530, Nikunj A. Dadhania wrote:
> In place of looping continuously introduce a halt if we do not succeed
> after some time.
> 
> For vcpus that were running an IPI is sent.  In case, it went to sleep
> between this, we will be doing flush_on_enter(harmless). But as a
> flush IPI was already sent, that will be processed in ipi handler,
> this might result into something undesireable, i.e. It might clear the
> flush_mask of a new request.
> 
> So after sending an IPI and waiting for a while, do a halt and wait
> for a kick from the last vcpu.
> 
> Signed-off-by: Srivatsa Vaddagiri <va...@linux.vnet.ibm.com>
> Signed-off-by: Nikunj A. Dadhania <nik...@linux.vnet.ibm.com>

Again, was it determined that this is necessary from data of 
benchmarking on the in-guest-mode/out-guest-mode patch?

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