[PATCH v2] arm/arm64: xen: Move shared architecture headers to include/xen/arm

Marc Zyngier marc.zyngier at arm.com
Fri Dec 2 06:19:35 PST 2016


ARM and arm64 Xen ports share a number of headers, leading to
packaging issues when these headers needs to be exported, as it
breaks the reasonable requirement that an architecture port
has self-contained headers.

Fix the issue by moving the 5 header files to include/xen/arm,
and keep local placeholders to include the relevant files.

Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
* From v1:
  - Move offending include files to include/xen/arm

 arch/arm/include/asm/xen/hypercall.h               |  88 +--------------
 arch/arm/include/asm/xen/hypervisor.h              |  40 +------
 arch/arm/include/asm/xen/interface.h               |  86 +-------------
 arch/arm/include/asm/xen/page-coherent.h           |  99 +----------------
 arch/arm/include/asm/xen/page.h                    | 123 +--------------------
 arch/arm64/include/asm/xen/hypercall.h             |   2 +-
 arch/arm64/include/asm/xen/hypervisor.h            |   2 +-
 arch/arm64/include/asm/xen/interface.h             |   2 +-
 arch/arm64/include/asm/xen/page-coherent.h         |   2 +-
 arch/arm64/include/asm/xen/page.h                  |   2 +-
 .../asm/xen => include/xen/arm}/hypercall.h        |   0
 .../asm/xen => include/xen/arm}/hypervisor.h       |   0
 .../asm/xen => include/xen/arm}/interface.h        |   0
 .../asm/xen => include/xen/arm}/page-coherent.h    |   0
 .../arm/include/asm/xen => include/xen/arm}/page.h |   0
 15 files changed, 10 insertions(+), 436 deletions(-)
 copy {arch/arm/include/asm/xen => include/xen/arm}/hypercall.h (100%)
 copy {arch/arm/include/asm/xen => include/xen/arm}/hypervisor.h (100%)
 copy {arch/arm/include/asm/xen => include/xen/arm}/interface.h (100%)
 copy {arch/arm/include/asm/xen => include/xen/arm}/page-coherent.h (100%)
 copy {arch/arm/include/asm/xen => include/xen/arm}/page.h (100%)

diff --git a/arch/arm/include/asm/xen/hypercall.h b/arch/arm/include/asm/xen/hypercall.h
index 9d874db..3522cba 100644
--- a/arch/arm/include/asm/xen/hypercall.h
+++ b/arch/arm/include/asm/xen/hypercall.h
@@ -1,87 +1 @@
-/******************************************************************************
- * hypercall.h
- *
- * Linux-specific hypervisor handling.
- *
- * Stefano Stabellini <stefano.stabellini at eu.citrix.com>, Citrix, 2012
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation; or, when distributed
- * separately from the Linux kernel or incorporated into other
- * software packages, subject to the following license:
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this source file (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use, copy, modify,
- * merge, publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#ifndef _ASM_ARM_XEN_HYPERCALL_H
-#define _ASM_ARM_XEN_HYPERCALL_H
-
-#include <linux/bug.h>
-
-#include <xen/interface/xen.h>
-#include <xen/interface/sched.h>
-#include <xen/interface/platform.h>
-
-long privcmd_call(unsigned call, unsigned long a1,
-		unsigned long a2, unsigned long a3,
-		unsigned long a4, unsigned long a5);
-int HYPERVISOR_xen_version(int cmd, void *arg);
-int HYPERVISOR_console_io(int cmd, int count, char *str);
-int HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count);
-int HYPERVISOR_sched_op(int cmd, void *arg);
-int HYPERVISOR_event_channel_op(int cmd, void *arg);
-unsigned long HYPERVISOR_hvm_op(int op, void *arg);
-int HYPERVISOR_memory_op(unsigned int cmd, void *arg);
-int HYPERVISOR_physdev_op(int cmd, void *arg);
-int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args);
-int HYPERVISOR_tmem_op(void *arg);
-int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type);
-int HYPERVISOR_platform_op_raw(void *arg);
-static inline int HYPERVISOR_platform_op(struct xen_platform_op *op)
-{
-	op->interface_version = XENPF_INTERFACE_VERSION;
-	return HYPERVISOR_platform_op_raw(op);
-}
-int HYPERVISOR_multicall(struct multicall_entry *calls, uint32_t nr);
-
-static inline int
-HYPERVISOR_suspend(unsigned long start_info_mfn)
-{
-	struct sched_shutdown r = { .reason = SHUTDOWN_suspend };
-
-	/* start_info_mfn is unused on ARM */
-	return HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
-}
-
-static inline void
-MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va,
-			unsigned int new_val, unsigned long flags)
-{
-	BUG();
-}
-
-static inline void
-MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req,
-		 int count, int *success_count, domid_t domid)
-{
-	BUG();
-}
-
-#endif /* _ASM_ARM_XEN_HYPERCALL_H */
+#include <xen/arm/hypercall.h>
diff --git a/arch/arm/include/asm/xen/hypervisor.h b/arch/arm/include/asm/xen/hypervisor.h
index 9525151..d6e7709 100644
--- a/arch/arm/include/asm/xen/hypervisor.h
+++ b/arch/arm/include/asm/xen/hypervisor.h
@@ -1,39 +1 @@
-#ifndef _ASM_ARM_XEN_HYPERVISOR_H
-#define _ASM_ARM_XEN_HYPERVISOR_H
-
-#include <linux/init.h>
-
-extern struct shared_info *HYPERVISOR_shared_info;
-extern struct start_info *xen_start_info;
-
-/* Lazy mode for batching updates / context switch */
-enum paravirt_lazy_mode {
-	PARAVIRT_LAZY_NONE,
-	PARAVIRT_LAZY_MMU,
-	PARAVIRT_LAZY_CPU,
-};
-
-static inline enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
-{
-	return PARAVIRT_LAZY_NONE;
-}
-
-extern struct dma_map_ops *xen_dma_ops;
-
-#ifdef CONFIG_XEN
-void __init xen_early_init(void);
-#else
-static inline void xen_early_init(void) { return; }
-#endif
-
-#ifdef CONFIG_HOTPLUG_CPU
-static inline void xen_arch_register_cpu(int num)
-{
-}
-
-static inline void xen_arch_unregister_cpu(int num)
-{
-}
-#endif
-
-#endif /* _ASM_ARM_XEN_HYPERVISOR_H */
+#include <xen/arm/hypervisor.h>
diff --git a/arch/arm/include/asm/xen/interface.h b/arch/arm/include/asm/xen/interface.h
index 75d5968..88c0d75 100644
--- a/arch/arm/include/asm/xen/interface.h
+++ b/arch/arm/include/asm/xen/interface.h
@@ -1,85 +1 @@
-/******************************************************************************
- * Guest OS interface to ARM Xen.
- *
- * Stefano Stabellini <stefano.stabellini at eu.citrix.com>, Citrix, 2012
- */
-
-#ifndef _ASM_ARM_XEN_INTERFACE_H
-#define _ASM_ARM_XEN_INTERFACE_H
-
-#include <linux/types.h>
-
-#define uint64_aligned_t uint64_t __attribute__((aligned(8)))
-
-#define __DEFINE_GUEST_HANDLE(name, type) \
-	typedef struct { union { type *p; uint64_aligned_t q; }; }  \
-        __guest_handle_ ## name
-
-#define DEFINE_GUEST_HANDLE_STRUCT(name) \
-	__DEFINE_GUEST_HANDLE(name, struct name)
-#define DEFINE_GUEST_HANDLE(name) __DEFINE_GUEST_HANDLE(name, name)
-#define GUEST_HANDLE(name)        __guest_handle_ ## name
-
-#define set_xen_guest_handle(hnd, val)			\
-	do {						\
-		if (sizeof(hnd) == 8)			\
-			*(uint64_t *)&(hnd) = 0;	\
-		(hnd).p = val;				\
-	} while (0)
-
-#define __HYPERVISOR_platform_op_raw __HYPERVISOR_platform_op
-
-#ifndef __ASSEMBLY__
-/* Explicitly size integers that represent pfns in the interface with
- * Xen so that we can have one ABI that works for 32 and 64 bit guests.
- * Note that this means that the xen_pfn_t type may be capable of
- * representing pfn's which the guest cannot represent in its own pfn
- * type. However since pfn space is controlled by the guest this is
- * fine since it simply wouldn't be able to create any sure pfns in
- * the first place.
- */
-typedef uint64_t xen_pfn_t;
-#define PRI_xen_pfn "llx"
-typedef uint64_t xen_ulong_t;
-#define PRI_xen_ulong "llx"
-typedef int64_t xen_long_t;
-#define PRI_xen_long "llx"
-/* Guest handles for primitive C types. */
-__DEFINE_GUEST_HANDLE(uchar, unsigned char);
-__DEFINE_GUEST_HANDLE(uint,  unsigned int);
-DEFINE_GUEST_HANDLE(char);
-DEFINE_GUEST_HANDLE(int);
-DEFINE_GUEST_HANDLE(void);
-DEFINE_GUEST_HANDLE(uint64_t);
-DEFINE_GUEST_HANDLE(uint32_t);
-DEFINE_GUEST_HANDLE(xen_pfn_t);
-DEFINE_GUEST_HANDLE(xen_ulong_t);
-
-/* Maximum number of virtual CPUs in multi-processor guests. */
-#define MAX_VIRT_CPUS 1
-
-struct arch_vcpu_info { };
-struct arch_shared_info { };
-
-/* TODO: Move pvclock definitions some place arch independent */
-struct pvclock_vcpu_time_info {
-	u32   version;
-	u32   pad0;
-	u64   tsc_timestamp;
-	u64   system_time;
-	u32   tsc_to_system_mul;
-	s8    tsc_shift;
-	u8    flags;
-	u8    pad[2];
-} __attribute__((__packed__)); /* 32 bytes */
-
-/* It is OK to have a 12 bytes struct with no padding because it is packed */
-struct pvclock_wall_clock {
-	u32   version;
-	u32   sec;
-	u32   nsec;
-	u32   sec_hi;
-} __attribute__((__packed__));
-#endif
-
-#endif /* _ASM_ARM_XEN_INTERFACE_H */
+#include <xen/arm/interface.h>
diff --git a/arch/arm/include/asm/xen/page-coherent.h b/arch/arm/include/asm/xen/page-coherent.h
index 95ce6ac..b3ef061 100644
--- a/arch/arm/include/asm/xen/page-coherent.h
+++ b/arch/arm/include/asm/xen/page-coherent.h
@@ -1,98 +1 @@
-#ifndef _ASM_ARM_XEN_PAGE_COHERENT_H
-#define _ASM_ARM_XEN_PAGE_COHERENT_H
-
-#include <asm/page.h>
-#include <linux/dma-mapping.h>
-
-void __xen_dma_map_page(struct device *hwdev, struct page *page,
-	     dma_addr_t dev_addr, unsigned long offset, size_t size,
-	     enum dma_data_direction dir, unsigned long attrs);
-void __xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
-		size_t size, enum dma_data_direction dir,
-		unsigned long attrs);
-void __xen_dma_sync_single_for_cpu(struct device *hwdev,
-		dma_addr_t handle, size_t size, enum dma_data_direction dir);
-
-void __xen_dma_sync_single_for_device(struct device *hwdev,
-		dma_addr_t handle, size_t size, enum dma_data_direction dir);
-
-static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size,
-		dma_addr_t *dma_handle, gfp_t flags, unsigned long attrs)
-{
-	return __generic_dma_ops(hwdev)->alloc(hwdev, size, dma_handle, flags, attrs);
-}
-
-static inline void xen_free_coherent_pages(struct device *hwdev, size_t size,
-		void *cpu_addr, dma_addr_t dma_handle, unsigned long attrs)
-{
-	__generic_dma_ops(hwdev)->free(hwdev, size, cpu_addr, dma_handle, attrs);
-}
-
-static inline void xen_dma_map_page(struct device *hwdev, struct page *page,
-	     dma_addr_t dev_addr, unsigned long offset, size_t size,
-	     enum dma_data_direction dir, unsigned long attrs)
-{
-	unsigned long page_pfn = page_to_xen_pfn(page);
-	unsigned long dev_pfn = XEN_PFN_DOWN(dev_addr);
-	unsigned long compound_pages =
-		(1<<compound_order(page)) * XEN_PFN_PER_PAGE;
-	bool local = (page_pfn <= dev_pfn) &&
-		(dev_pfn - page_pfn < compound_pages);
-
-	/*
-	 * Dom0 is mapped 1:1, while the Linux page can span across
-	 * multiple Xen pages, it's not possible for it to contain a
-	 * mix of local and foreign Xen pages. So if the first xen_pfn
-	 * == mfn the page is local otherwise it's a foreign page
-	 * grant-mapped in dom0. If the page is local we can safely
-	 * call the native dma_ops function, otherwise we call the xen
-	 * specific function.
-	 */
-	if (local)
-		__generic_dma_ops(hwdev)->map_page(hwdev, page, offset, size, dir, attrs);
-	else
-		__xen_dma_map_page(hwdev, page, dev_addr, offset, size, dir, attrs);
-}
-
-static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
-		size_t size, enum dma_data_direction dir, unsigned long attrs)
-{
-	unsigned long pfn = PFN_DOWN(handle);
-	/*
-	 * Dom0 is mapped 1:1, while the Linux page can be spanned accross
-	 * multiple Xen page, it's not possible to have a mix of local and
-	 * foreign Xen page. Dom0 is mapped 1:1, so calling pfn_valid on a
-	 * foreign mfn will always return false. If the page is local we can
-	 * safely call the native dma_ops function, otherwise we call the xen
-	 * specific function.
-	 */
-	if (pfn_valid(pfn)) {
-		if (__generic_dma_ops(hwdev)->unmap_page)
-			__generic_dma_ops(hwdev)->unmap_page(hwdev, handle, size, dir, attrs);
-	} else
-		__xen_dma_unmap_page(hwdev, handle, size, dir, attrs);
-}
-
-static inline void xen_dma_sync_single_for_cpu(struct device *hwdev,
-		dma_addr_t handle, size_t size, enum dma_data_direction dir)
-{
-	unsigned long pfn = PFN_DOWN(handle);
-	if (pfn_valid(pfn)) {
-		if (__generic_dma_ops(hwdev)->sync_single_for_cpu)
-			__generic_dma_ops(hwdev)->sync_single_for_cpu(hwdev, handle, size, dir);
-	} else
-		__xen_dma_sync_single_for_cpu(hwdev, handle, size, dir);
-}
-
-static inline void xen_dma_sync_single_for_device(struct device *hwdev,
-		dma_addr_t handle, size_t size, enum dma_data_direction dir)
-{
-	unsigned long pfn = PFN_DOWN(handle);
-	if (pfn_valid(pfn)) {
-		if (__generic_dma_ops(hwdev)->sync_single_for_device)
-			__generic_dma_ops(hwdev)->sync_single_for_device(hwdev, handle, size, dir);
-	} else
-		__xen_dma_sync_single_for_device(hwdev, handle, size, dir);
-}
-
-#endif /* _ASM_ARM_XEN_PAGE_COHERENT_H */
+#include <xen/arm/page-coherent.h>
diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index 415dbc6..31bbc80 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -1,122 +1 @@
-#ifndef _ASM_ARM_XEN_PAGE_H
-#define _ASM_ARM_XEN_PAGE_H
-
-#include <asm/page.h>
-#include <asm/pgtable.h>
-
-#include <linux/pfn.h>
-#include <linux/types.h>
-#include <linux/dma-mapping.h>
-
-#include <xen/xen.h>
-#include <xen/interface/grant_table.h>
-
-#define phys_to_machine_mapping_valid(pfn) (1)
-
-/* Xen machine address */
-typedef struct xmaddr {
-	phys_addr_t maddr;
-} xmaddr_t;
-
-/* Xen pseudo-physical address */
-typedef struct xpaddr {
-	phys_addr_t paddr;
-} xpaddr_t;
-
-#define XMADDR(x)	((xmaddr_t) { .maddr = (x) })
-#define XPADDR(x)	((xpaddr_t) { .paddr = (x) })
-
-#define INVALID_P2M_ENTRY      (~0UL)
-
-/*
- * The pseudo-physical frame (pfn) used in all the helpers is always based
- * on Xen page granularity (i.e 4KB).
- *
- * A Linux page may be split across multiple non-contiguous Xen page so we
- * have to keep track with frame based on 4KB page granularity.
- *
- * PV drivers should never make a direct usage of those helpers (particularly
- * pfn_to_gfn and gfn_to_pfn).
- */
-
-unsigned long __pfn_to_mfn(unsigned long pfn);
-extern struct rb_root phys_to_mach;
-
-/* Pseudo-physical <-> Guest conversion */
-static inline unsigned long pfn_to_gfn(unsigned long pfn)
-{
-	return pfn;
-}
-
-static inline unsigned long gfn_to_pfn(unsigned long gfn)
-{
-	return gfn;
-}
-
-/* Pseudo-physical <-> BUS conversion */
-static inline unsigned long pfn_to_bfn(unsigned long pfn)
-{
-	unsigned long mfn;
-
-	if (phys_to_mach.rb_node != NULL) {
-		mfn = __pfn_to_mfn(pfn);
-		if (mfn != INVALID_P2M_ENTRY)
-			return mfn;
-	}
-
-	return pfn;
-}
-
-static inline unsigned long bfn_to_pfn(unsigned long bfn)
-{
-	return bfn;
-}
-
-#define bfn_to_local_pfn(bfn)	bfn_to_pfn(bfn)
-
-/* VIRT <-> GUEST conversion */
-#define virt_to_gfn(v)		(pfn_to_gfn(virt_to_phys(v) >> XEN_PAGE_SHIFT))
-#define gfn_to_virt(m)		(__va(gfn_to_pfn(m) << XEN_PAGE_SHIFT))
-
-/* Only used in PV code. But ARM guests are always HVM. */
-static inline xmaddr_t arbitrary_virt_to_machine(void *vaddr)
-{
-	BUG();
-}
-
-/* TODO: this shouldn't be here but it is because the frontend drivers
- * are using it (its rolled in headers) even though we won't hit the code path.
- * So for right now just punt with this.
- */
-static inline pte_t *lookup_address(unsigned long address, unsigned int *level)
-{
-	BUG();
-	return NULL;
-}
-
-extern int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops,
-				   struct gnttab_map_grant_ref *kmap_ops,
-				   struct page **pages, unsigned int count);
-
-extern int clear_foreign_p2m_mapping(struct gnttab_unmap_grant_ref *unmap_ops,
-				     struct gnttab_unmap_grant_ref *kunmap_ops,
-				     struct page **pages, unsigned int count);
-
-bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
-bool __set_phys_to_machine_multi(unsigned long pfn, unsigned long mfn,
-		unsigned long nr_pages);
-
-static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn)
-{
-	return __set_phys_to_machine(pfn, mfn);
-}
-
-#define xen_remap(cookie, size) ioremap_cache((cookie), (size))
-#define xen_unmap(cookie) iounmap((cookie))
-
-bool xen_arch_need_swiotlb(struct device *dev,
-			   phys_addr_t phys,
-			   dma_addr_t dev_addr);
-unsigned long xen_get_swiotlb_free_pages(unsigned int order);
-
-#endif /* _ASM_ARM_XEN_PAGE_H */
+#include <xen/arm/page.h>
diff --git a/arch/arm64/include/asm/xen/hypercall.h b/arch/arm64/include/asm/xen/hypercall.h
index 74b0c42..3522cba 100644
--- a/arch/arm64/include/asm/xen/hypercall.h
+++ b/arch/arm64/include/asm/xen/hypercall.h
@@ -1 +1 @@
-#include <../../arm/include/asm/xen/hypercall.h>
+#include <xen/arm/hypercall.h>
diff --git a/arch/arm64/include/asm/xen/hypervisor.h b/arch/arm64/include/asm/xen/hypervisor.h
index f263da8..d6e7709 100644
--- a/arch/arm64/include/asm/xen/hypervisor.h
+++ b/arch/arm64/include/asm/xen/hypervisor.h
@@ -1 +1 @@
-#include <../../arm/include/asm/xen/hypervisor.h>
+#include <xen/arm/hypervisor.h>
diff --git a/arch/arm64/include/asm/xen/interface.h b/arch/arm64/include/asm/xen/interface.h
index 44457ae..88c0d75 100644
--- a/arch/arm64/include/asm/xen/interface.h
+++ b/arch/arm64/include/asm/xen/interface.h
@@ -1 +1 @@
-#include <../../arm/include/asm/xen/interface.h>
+#include <xen/arm/interface.h>
diff --git a/arch/arm64/include/asm/xen/page-coherent.h b/arch/arm64/include/asm/xen/page-coherent.h
index 2052102..b3ef061 100644
--- a/arch/arm64/include/asm/xen/page-coherent.h
+++ b/arch/arm64/include/asm/xen/page-coherent.h
@@ -1 +1 @@
-#include <../../arm/include/asm/xen/page-coherent.h>
+#include <xen/arm/page-coherent.h>
diff --git a/arch/arm64/include/asm/xen/page.h b/arch/arm64/include/asm/xen/page.h
index bed87ec..31bbc80 100644
--- a/arch/arm64/include/asm/xen/page.h
+++ b/arch/arm64/include/asm/xen/page.h
@@ -1 +1 @@
-#include <../../arm/include/asm/xen/page.h>
+#include <xen/arm/page.h>
diff --git a/arch/arm/include/asm/xen/hypercall.h b/include/xen/arm/hypercall.h
similarity index 100%
copy from arch/arm/include/asm/xen/hypercall.h
copy to include/xen/arm/hypercall.h
diff --git a/arch/arm/include/asm/xen/hypervisor.h b/include/xen/arm/hypervisor.h
similarity index 100%
copy from arch/arm/include/asm/xen/hypervisor.h
copy to include/xen/arm/hypervisor.h
diff --git a/arch/arm/include/asm/xen/interface.h b/include/xen/arm/interface.h
similarity index 100%
copy from arch/arm/include/asm/xen/interface.h
copy to include/xen/arm/interface.h
diff --git a/arch/arm/include/asm/xen/page-coherent.h b/include/xen/arm/page-coherent.h
similarity index 100%
copy from arch/arm/include/asm/xen/page-coherent.h
copy to include/xen/arm/page-coherent.h
diff --git a/arch/arm/include/asm/xen/page.h b/include/xen/arm/page.h
similarity index 100%
copy from arch/arm/include/asm/xen/page.h
copy to include/xen/arm/page.h
-- 
2.1.4




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