From: awilliam@xenbuild.aw <awilliam@xenbuild.aw>
Date: Tue, 13 Jun 2006 15:35:43 +0000 (-0600)
Subject: [IA64] define virt_to_mfn and mfn_to_virt
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~15972^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=dcdd40d2e660607165db01de7c1d68351b3eeeb8;p=xen.git

[IA64] define virt_to_mfn and mfn_to_virt

These are necessary to build w/ current xen-unstable

Signed-off-by: Alex Williamson <alex.williamson@hp.com>
---

diff --git a/xen/include/asm-ia64/xenpage.h b/xen/include/asm-ia64/xenpage.h
index f1684306ed..aef0dc1a03 100644
--- a/xen/include/asm-ia64/xenpage.h
+++ b/xen/include/asm-ia64/xenpage.h
@@ -28,6 +28,10 @@ extern int ia64_mfn_valid (unsigned long pfn);
 #define page_to_virt(_page)	maddr_to_virt(page_to_maddr(_page))
 #define maddr_to_page(kaddr)	mfn_to_page(((kaddr) >> PAGE_SHIFT))
 
+/* Convert between Xen-heap virtual addresses and machine frame numbers. */
+#define virt_to_mfn(va)		(virt_to_maddr(va) >> PAGE_SHIFT)
+#define mfn_to_virt(mfn)	maddr_to_virt(mfn << PAGE_SHIFT)
+
 #ifndef __ASSEMBLY__
 typedef union xen_va {
 	struct {