On 09/06/2017 11:29 AM, Juergen Gross wrote:
> With the boot parameter "xen_nopvspin" specified a Xen guest should not
> make use of paravirt spinlocks, but behave as if running on bare
> metal. This is not true, however, as the qspinlock code will fall back
> to a test-and-set scheme when it is
With the boot parameter "xen_nopvspin" specified a Xen guest should not
make use of paravirt spinlocks, but behave as if running on bare
metal. This is not true, however, as the qspinlock code will fall back
to a test-and-set scheme when it is detecting a hypervisor.
In order to avoid this
