Re: [Xen-devel] [PATCH v4 2/7] xen/arm: introduce HYPERVISOR_platform_op on arm and arm64

2015-11-20 Thread Ian Campbell
On Fri, 2015-11-20 at 11:58 +, Stefano Stabellini wrote: > On Mon, 16 Nov 2015, Ian Campbell wrote: > > On Fri, 2015-11-13 at 18:10 +, Stefano Stabellini wrote: > > > > > > I agree with your point (I thought about it myself) but the current > > > assembly scheme for hypercalls doesn't work

Re: [Xen-devel] [PATCH v4 2/7] xen/arm: introduce HYPERVISOR_platform_op on arm and arm64

2015-11-20 Thread Stefano Stabellini
On Mon, 16 Nov 2015, Ian Campbell wrote: > On Fri, 2015-11-13 at 18:10 +, Stefano Stabellini wrote: > > > > I agree with your point (I thought about it myself) but the current > > assembly scheme for hypercalls doesn't work well with that. I would have > > to introduce, and maintain going forw

Re: [Xen-devel] [PATCH v4 2/7] xen/arm: introduce HYPERVISOR_platform_op on arm and arm64

2015-11-16 Thread Ian Campbell
On Fri, 2015-11-13 at 18:10 +, Stefano Stabellini wrote: > > I agree with your point (I thought about it myself) but the current > assembly scheme for hypercalls doesn't work well with that. I would have > to introduce, and maintain going forward, two special hypercall > implementations in ass

Re: [Xen-devel] [PATCH v4 2/7] xen/arm: introduce HYPERVISOR_platform_op on arm and arm64

2015-11-13 Thread Julien Grall
(CC David, Boris and Konrad) On 13/11/15 18:10, Stefano Stabellini wrote: > On Fri, 13 Nov 2015, Julien Grall wrote: >> Hi Stefano, >> >> On 12/11/15 17:30, Stefano Stabellini wrote: >>> Signed-off-by: Stefano Stabellini >>> >>> --- >>> >>> Changes in v2: >>> - rename dom0_op to platform_op >>> -

Re: [Xen-devel] [PATCH v4 2/7] xen/arm: introduce HYPERVISOR_platform_op on arm and arm64

2015-11-13 Thread Stefano Stabellini
On Fri, 13 Nov 2015, Julien Grall wrote: > Hi Stefano, > > On 12/11/15 17:30, Stefano Stabellini wrote: > > Signed-off-by: Stefano Stabellini > > > > --- > > > > Changes in v2: > > - rename dom0_op to platform_op > > --- > > arch/arm/include/asm/xen/hypercall.h |2 ++ > > arch/arm/xen/enli

Re: [Xen-devel] [PATCH v4 2/7] xen/arm: introduce HYPERVISOR_platform_op on arm and arm64

2015-11-13 Thread Julien Grall
Hi Stefano, On 12/11/15 17:30, Stefano Stabellini wrote: > Signed-off-by: Stefano Stabellini > > --- > > Changes in v2: > - rename dom0_op to platform_op > --- > arch/arm/include/asm/xen/hypercall.h |2 ++ > arch/arm/xen/enlighten.c |1 + > arch/arm/xen/hypercall.S