Re: [Xen-devel] [PATCH v4 5/6] arm64/xen: introduce CONFIG_XEN on ARM64

2013-06-06 Thread Ian Campbell
On Thu, 2013-06-06 at 10:27 +0100, Catalin Marinas wrote: > On Thu, Jun 06, 2013 at 10:03:39AM +0100, Ian Campbell wrote: > > On Wed, 2013-06-05 at 18:02 +0100, Stefano Stabellini wrote: > > > + * the second in r1/x1, the third in r2/x2 and the fourth in r3/x3. > > > + * Considering that Xen

Re: [Xen-devel] [PATCH v4 5/6] arm64/xen: introduce CONFIG_XEN on ARM64

2013-06-06 Thread Catalin Marinas
On Thu, Jun 06, 2013 at 10:03:39AM +0100, Ian Campbell wrote: > On Wed, 2013-06-05 at 18:02 +0100, Stefano Stabellini wrote: > > + * the second in r1/x1, the third in r2/x2 and the fourth in r3/x3. > > + * Considering that Xen hypercalls have 5 arguments at most, the fifth > > + * paramter is

Re: [Xen-devel] [PATCH v4 5/6] arm64/xen: introduce CONFIG_XEN on ARM64

2013-06-06 Thread Ian Campbell
On Wed, 2013-06-05 at 18:02 +0100, Stefano Stabellini wrote: > Changes in v4: > - build the entire arch/arm/xen directory under arch/arm64, ifdef > hypercall.S appropriately. This is probably the best (or equal first) of a bunch of bad options :-/ > + * The Xen hypercall calling convention is

Re: [Xen-devel] [PATCH v4 5/6] arm64/xen: introduce CONFIG_XEN on ARM64

2013-06-06 Thread Ian Campbell
On Wed, 2013-06-05 at 18:02 +0100, Stefano Stabellini wrote: Changes in v4: - build the entire arch/arm/xen directory under arch/arm64, ifdef hypercall.S appropriately. This is probably the best (or equal first) of a bunch of bad options :-/ + * The Xen hypercall calling convention is very

Re: [Xen-devel] [PATCH v4 5/6] arm64/xen: introduce CONFIG_XEN on ARM64

2013-06-06 Thread Catalin Marinas
On Thu, Jun 06, 2013 at 10:03:39AM +0100, Ian Campbell wrote: On Wed, 2013-06-05 at 18:02 +0100, Stefano Stabellini wrote: + * the second in r1/x1, the third in r2/x2 and the fourth in r3/x3. + * Considering that Xen hypercalls have 5 arguments at most, the fifth + * paramter is always

Re: [Xen-devel] [PATCH v4 5/6] arm64/xen: introduce CONFIG_XEN on ARM64

2013-06-06 Thread Ian Campbell
On Thu, 2013-06-06 at 10:27 +0100, Catalin Marinas wrote: On Thu, Jun 06, 2013 at 10:03:39AM +0100, Ian Campbell wrote: On Wed, 2013-06-05 at 18:02 +0100, Stefano Stabellini wrote: + * the second in r1/x1, the third in r2/x2 and the fourth in r3/x3. + * Considering that Xen hypercalls