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[IA64] Remove PG_foreign hack
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
This commit is contained in:
awilliam@xenbuild2.aw committed
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2be162b951
commit
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3 files changed
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@@ -416,12 +416,6 @@ HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count)
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}
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EXPORT_SYMBOL(HYPERVISOR_grant_table_op);
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///////////////////////////////////////////////////////////////////////////
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// PageForeign(), SetPageForeign(), ClearPageForeign()
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struct address_space xen_ia64_foreign_dummy_mapping;
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EXPORT_SYMBOL(xen_ia64_foreign_dummy_mapping);
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///////////////////////////////////////////////////////////////////////////
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// foreign mapping
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#include <linux/efi.h>
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@@ -84,9 +84,6 @@ mfn_to_local_pfn(unsigned long mfn)
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#endif /* !CONFIG_XEN */
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/* XXX to compile set_phys_to_machine(vaddr, FOREIGN_FRAME(m)) */
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#define FOREIGN_FRAME(m) (INVALID_P2M_ENTRY)
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#define mfn_to_pfn(mfn) (mfn)
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#define pfn_to_mfn(pfn) (pfn)
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@@ -236,44 +236,6 @@ get_order (unsigned long size)
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#include <linux/kernel.h>
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#include <asm/hypervisor.h>
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#include <xen/features.h> // to compile netback, netfront
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/*
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* XXX hack!
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* Linux/IA64 uses PG_arch_1.
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* This hack will be removed once PG_foreign bit is taken.
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* #include <xen/foreign_page.h>
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*/
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#ifdef __ASM_XEN_FOREIGN_PAGE_H__
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# error "don't include include/xen/foreign_page.h!"
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#endif
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extern struct address_space xen_ia64_foreign_dummy_mapping;
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#define PageForeign(page) \
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((page)->mapping == &xen_ia64_foreign_dummy_mapping)
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#define SetPageForeign(page, dtor) do { \
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set_page_private((page), (unsigned long)(dtor)); \
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(page)->mapping = &xen_ia64_foreign_dummy_mapping; \
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smp_rmb(); \
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} while (0)
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#define ClearPageForeign(page) do { \
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(page)->mapping = NULL; \
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smp_rmb(); \
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set_page_private((page), 0); \
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} while (0)
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#define PageForeignDestructor(page) \
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( (void (*) (struct page *)) page_private(page) )
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#define arch_free_page(_page,_order) \
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({ int foreign = PageForeign(_page); \
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if (foreign) \
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(PageForeignDestructor(_page))(_page); \
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foreign; \
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})
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#define HAVE_ARCH_FREE_PAGE
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#include <asm/maddr.h>
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#endif /* CONFIG_XEN */
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