[PATCH 2/3] Xen pad paravirt interface

[Liu , Jinsong]

Redirect paravirt template to Xen pv ops, preparing for Xen core parking.

Signed-off-by: Liu, Jinsong <jinsong.liu@xxxxxxxxx>
---
 arch/x86/xen/enlighten.c   |    6 ++++++
 drivers/xen/Makefile       |    1 +
 drivers/xen/xen_acpi_pad.c |    8 ++++++++
 include/xen/xen-ops.h      |    3 +++
 4 files changed, 18 insertions(+), 0 deletions(-)
 create mode 100644 drivers/xen/xen_acpi_pad.c

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 12eb07b..5b4f209 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1023,6 +1023,11 @@ static const struct pv_cpu_ops xen_cpu_ops __initcon=
st =3D {
 	.end_context_switch =3D xen_end_context_switch,
 };
=20
+static const struct pv_pad_ops xen_pad_ops __initconst =3D {
+	.acpi_pad_init =3D xen_acpi_pad_init,
+	.acpi_pad_exit =3D xen_acpi_pad_exit,
+};
+
 static const struct pv_apic_ops xen_apic_ops __initconst =3D {
 #ifdef CONFIG_X86_LOCAL_APIC
 	.startup_ipi_hook =3D paravirt_nop,
@@ -1126,6 +1131,7 @@ asmlinkage void __init xen_start_kernel(void)
 	pv_init_ops =3D xen_init_ops;
 	pv_cpu_ops =3D xen_cpu_ops;
 	pv_apic_ops =3D xen_apic_ops;
+	pv_pad_ops =3D xen_pad_ops;
=20
 	x86_init.resources.memory_setup =3D xen_memory_setup;
 	x86_init.oem.arch_setup =3D xen_arch_setup;
diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
index aa31337..c0268c9 100644
--- a/drivers/xen/Makefile
+++ b/drivers/xen/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_SWIOTLB_XEN)		+=3D swiotlb-xen.o
 obj-$(CONFIG_XEN_DOM0)			+=3D pci.o
 obj-$(CONFIG_XEN_PCIDEV_BACKEND)	+=3D xen-pciback/
 obj-$(CONFIG_XEN_PRIVCMD)		+=3D xen-privcmd.o
+obj-$(CONFIG_XEN_DOM0)			+=3D xen_acpi_pad.o
=20
 xen-evtchn-y				:=3D evtchn.o
 xen-gntdev-y				:=3D gntdev.o
diff --git a/drivers/xen/xen_acpi_pad.c b/drivers/xen/xen_acpi_pad.c
new file mode 100644
index 0000000..63ab2fb
--- /dev/null
+++ b/drivers/xen/xen_acpi_pad.c
@@ -0,0 +1,8 @@
+int xen_acpi_pad_init(void)
+{
+	return 0;
+}
+
+void xen_acpi_pad_exit(void)
+{
+}
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index 03c85d7..eeb0d38 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -28,4 +28,7 @@ int xen_remap_domain_mfn_range(struct vm_area_struct *vma=
,
 			       unsigned long mfn, int nr,
 			       pgprot_t prot, unsigned domid);
=20
+int xen_acpi_pad_init(void);
+void xen_acpi_pad_exit(void);
+
 #endif /* INCLUDE_XEN_OPS_H */
--=20
1.7.1

--_002_DE8DF0795D48FD4CA783C40EC829233509D85ESHSMSX101ccrcorpi_
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Content-Description: 0002-Xen-pad-paravirt-interface.patch
Content-Disposition: attachment;
	filename="0002-Xen-pad-paravirt-interface.patch"; size=2549;
	creation-date="Fri, 17 Feb 2012 08:52:46 GMT";
	modification-date="Fri, 17 Feb 2012 16:49:16 GMT"
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--_002_DE8DF0795D48FD4CA783C40EC829233509D85ESHSMSX101ccrcorpi_--
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