Re: Interface to enable in-kernel hcall handling

2013-11-19 Thread Alexander Graf
On 19.11.2013, at 02:02, Paul Mackerras wrote: > On Mon, Nov 18, 2013 at 04:31:39PM -0500, Alexander Graf wrote: >> >> On 16.11.2013, at 03:59, Paul Mackerras wrote: >> >>> I have been thinking about adding an interface to PPC KVM's PAPR >>> emulation to allow userspace to control whether or

Re: Interface to enable in-kernel hcall handling

2013-11-18 Thread Paul Mackerras
On Mon, Nov 18, 2013 at 04:31:39PM -0500, Alexander Graf wrote: > > On 16.11.2013, at 03:59, Paul Mackerras wrote: > > > I have been thinking about adding an interface to PPC KVM's PAPR > > emulation to allow userspace to control whether or not individual > > hypercalls or groups of hypercalls g

Re: Interface to enable in-kernel hcall handling

2013-11-18 Thread Alexander Graf
On 16.11.2013, at 03:59, Paul Mackerras wrote: > I have been thinking about adding an interface to PPC KVM's PAPR > emulation to allow userspace to control whether or not individual > hypercalls or groups of hypercalls get handled in the kernel > (vs. being passed up to userspace to be handled t

Interface to enable in-kernel hcall handling

2013-11-16 Thread Paul Mackerras
I have been thinking about adding an interface to PPC KVM's PAPR emulation to allow userspace to control whether or not individual hypercalls or groups of hypercalls get handled in the kernel (vs. being passed up to userspace to be handled there). I can think of a couple of possible interfaces, di