[Xen-changelog] [xen-unstable] [IA64] Remove PG_foreign hack

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User awilliam@xxxxxxxxxxxx
# Date 1170027422 25200
# Node ID e5cfd902d7e426702adf446cf01d5a3c36a9c3e5
# Parent  d14da87feed69e45853d575de73d54d945a3c5a3
[IA64] Remove PG_foreign hack

Signed-off-by: Alex Williamson <alex.williamson@xxxxxx>
---
 linux-2.6-xen-sparse/arch/ia64/xen/hypervisor.c |    6 ---
 linux-2.6-xen-sparse/include/asm-ia64/maddr.h   |    3 -
 linux-2.6-xen-sparse/include/asm-ia64/page.h    |   38 ------------------------
 3 files changed, 47 deletions(-)

diff -r d14da87feed6 -r e5cfd902d7e4 
linux-2.6-xen-sparse/arch/ia64/xen/hypervisor.c
--- a/linux-2.6-xen-sparse/arch/ia64/xen/hypervisor.c   Sun Jan 28 16:33:18 
2007 -0700
+++ b/linux-2.6-xen-sparse/arch/ia64/xen/hypervisor.c   Sun Jan 28 16:37:02 
2007 -0700
@@ -417,12 +417,6 @@ EXPORT_SYMBOL(HYPERVISOR_grant_table_op)
 EXPORT_SYMBOL(HYPERVISOR_grant_table_op);
 
 ///////////////////////////////////////////////////////////////////////////
-// PageForeign(), SetPageForeign(), ClearPageForeign()
-
-struct address_space xen_ia64_foreign_dummy_mapping;
-EXPORT_SYMBOL(xen_ia64_foreign_dummy_mapping);
-
-///////////////////////////////////////////////////////////////////////////
 // foreign mapping
 #include <linux/efi.h>
 #include <asm/meminit.h> // for IA64_GRANULE_SIZE, GRANULEROUND{UP,DOWN}()
diff -r d14da87feed6 -r e5cfd902d7e4 
linux-2.6-xen-sparse/include/asm-ia64/maddr.h
--- a/linux-2.6-xen-sparse/include/asm-ia64/maddr.h     Sun Jan 28 16:33:18 
2007 -0700
+++ b/linux-2.6-xen-sparse/include/asm-ia64/maddr.h     Sun Jan 28 16:37:02 
2007 -0700
@@ -84,9 +84,6 @@ mfn_to_local_pfn(unsigned long mfn)
 
 #endif /* !CONFIG_XEN */
 
-/* XXX to compile set_phys_to_machine(vaddr, FOREIGN_FRAME(m)) */
-#define FOREIGN_FRAME(m)        (INVALID_P2M_ENTRY)
-
 #define mfn_to_pfn(mfn) (mfn)
 #define pfn_to_mfn(pfn) (pfn)
 
diff -r d14da87feed6 -r e5cfd902d7e4 
linux-2.6-xen-sparse/include/asm-ia64/page.h
--- a/linux-2.6-xen-sparse/include/asm-ia64/page.h      Sun Jan 28 16:33:18 
2007 -0700
+++ b/linux-2.6-xen-sparse/include/asm-ia64/page.h      Sun Jan 28 16:37:02 
2007 -0700
@@ -236,44 +236,6 @@ get_order (unsigned long size)
 #include <linux/kernel.h>
 #include <asm/hypervisor.h>
 #include <xen/features.h>      // to compile netback, netfront
-
-/*
- * XXX hack!
- * Linux/IA64 uses PG_arch_1.
- * This hack will be removed once PG_foreign bit is taken.
- * #include <xen/foreign_page.h>
- */
-#ifdef __ASM_XEN_FOREIGN_PAGE_H__
-# error "don't include include/xen/foreign_page.h!"
-#endif
-
-extern struct address_space xen_ia64_foreign_dummy_mapping;
-#define PageForeign(page)      \
-       ((page)->mapping == &xen_ia64_foreign_dummy_mapping)
-
-#define SetPageForeign(page, dtor) do {                                \
-       set_page_private((page), (unsigned long)(dtor));        \
-       (page)->mapping = &xen_ia64_foreign_dummy_mapping;      \
-       smp_rmb();                                              \
-} while (0)
-
-#define ClearPageForeign(page) do {    \
-       (page)->mapping = NULL;         \
-       smp_rmb();                      \
-       set_page_private((page), 0);    \
-} while (0)
-
-#define PageForeignDestructor(page)    \
-       ( (void (*) (struct page *)) page_private(page) )
-
-#define arch_free_page(_page,_order)                   \
-({      int foreign = PageForeign(_page);               \
-       if (foreign)                                    \
-               (PageForeignDestructor(_page))(_page);  \
-       foreign;                                        \
-})
-#define HAVE_ARCH_FREE_PAGE
-
 #include <asm/maddr.h>
 
 #endif /* CONFIG_XEN */

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