Merge branch 'x86/urgent' into x86/setup

Resolved conflicts:
	arch/x86/boot/memory.c

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 363 deletions

diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h
deleted file mode 100644
index e6359c566b5..00000000000
--- a/include/asm-m32r/pgtable.h
+++ /dev/null
@@ -1,363 +0,0 @@
-#ifndef _ASM_M32R_PGTABLE_H
-#define _ASM_M32R_PGTABLE_H
-
-#include <asm-generic/4level-fixup.h>
-
-#ifdef __KERNEL__
-/*
- * The Linux memory management assumes a three-level page table setup. On
- * the M32R, we use that, but "fold" the mid level into the top-level page
- * table, so that we physically have the same two-level page table as the
- * M32R mmu expects.
- *
- * This file contains the functions and defines necessary to modify and use
- * the M32R page table tree.
- */
-
-/* CAUTION!: If you change macro definitions in this file, you might have to
- * change arch/m32r/mmu.S manually.
- */
-
-#ifndef __ASSEMBLY__
-
-#include <linux/threads.h>
-#include <linux/bitops.h>
-#include <asm/processor.h>
-#include <asm/addrspace.h>
-#include <asm/page.h>
-
-struct mm_struct;
-struct vm_area_struct;
-
-extern pgd_t swapper_pg_dir[1024];
-extern void paging_init(void);
-
-/*
- * ZERO_PAGE is a global shared page that is always zero: used
- * for zero-mapped memory areas etc..
- */
-extern unsigned long empty_zero_page[1024];
-#define ZERO_PAGE(vaddr)	(virt_to_page(empty_zero_page))
-
-#endif /* !__ASSEMBLY__ */
-
-#ifndef __ASSEMBLY__
-#include <asm/pgtable-2level.h>
-#endif
-
-#define pgtable_cache_init()	do { } while (0)
-
-#define PMD_SIZE	(1UL << PMD_SHIFT)
-#define PMD_MASK	(~(PMD_SIZE - 1))
-#define PGDIR_SIZE	(1UL << PGDIR_SHIFT)
-#define PGDIR_MASK	(~(PGDIR_SIZE - 1))
-
-#define USER_PTRS_PER_PGD	(TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_ADDRESS	0
-
-#ifndef __ASSEMBLY__
-/* Just any arbitrary offset to the start of the vmalloc VM area: the
- * current 8MB value just means that there will be a 8MB "hole" after the
- * physical memory until the kernel virtual memory starts.  That means that
- * any out-of-bounds memory accesses will hopefully be caught.
- * The vmalloc() routines leaves a hole of 4kB between each vmalloced
- * area for the same reason. ;)
- */
-#define VMALLOC_START		KSEG2
-#define VMALLOC_END		KSEG3
-
-/*
- *     M32R TLB format
- *
- *     [0]    [1:19]           [20:23]       [24:31]
- *     +-----------------------+----+-------------+
- *     |          VPN          |0000|    ASID     |
- *     +-----------------------+----+-------------+
- *     +-+---------------------+----+-+---+-+-+-+-+
- *     |0         PPN          |0000|N|AC |L|G|V| |
- *     +-+---------------------+----+-+---+-+-+-+-+
- *                                     RWX
- */
-
-#define _PAGE_BIT_DIRTY		0	/* software: page changed */
-#define _PAGE_BIT_FILE		0	/* when !present: nonlinear file
-					   mapping */
-#define _PAGE_BIT_PRESENT	1	/* Valid: page is valid */
-#define _PAGE_BIT_GLOBAL	2	/* Global */
-#define _PAGE_BIT_LARGE		3	/* Large */
-#define _PAGE_BIT_EXEC		4	/* Execute */
-#define _PAGE_BIT_WRITE		5	/* Write */
-#define _PAGE_BIT_READ		6	/* Read */
-#define _PAGE_BIT_NONCACHABLE	7	/* Non cachable */
-#define _PAGE_BIT_ACCESSED	8	/* software: page referenced */
-#define _PAGE_BIT_PROTNONE	9	/* software: if not present */
-
-#define _PAGE_DIRTY		(1UL << _PAGE_BIT_DIRTY)
-#define _PAGE_FILE		(1UL << _PAGE_BIT_FILE)
-#define _PAGE_PRESENT		(1UL << _PAGE_BIT_PRESENT)
-#define _PAGE_GLOBAL		(1UL << _PAGE_BIT_GLOBAL)
-#define _PAGE_LARGE		(1UL << _PAGE_BIT_LARGE)
-#define _PAGE_EXEC		(1UL << _PAGE_BIT_EXEC)
-#define _PAGE_WRITE		(1UL << _PAGE_BIT_WRITE)
-#define _PAGE_READ		(1UL << _PAGE_BIT_READ)
-#define _PAGE_NONCACHABLE	(1UL << _PAGE_BIT_NONCACHABLE)
-#define _PAGE_ACCESSED		(1UL << _PAGE_BIT_ACCESSED)
-#define _PAGE_PROTNONE		(1UL << _PAGE_BIT_PROTNONE)
-
-#define _PAGE_TABLE	\
-	( _PAGE_PRESENT | _PAGE_WRITE | _PAGE_READ | _PAGE_ACCESSED \
-	| _PAGE_DIRTY )
-#define _KERNPG_TABLE	\
-	( _PAGE_PRESENT | _PAGE_WRITE | _PAGE_READ | _PAGE_ACCESSED \
-	| _PAGE_DIRTY )
-#define _PAGE_CHG_MASK	\
-	( PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY )
-
-#ifdef CONFIG_MMU
-#define PAGE_NONE	\
-	__pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED)
-#define PAGE_SHARED	\
-	__pgprot(_PAGE_PRESENT | _PAGE_WRITE | _PAGE_READ | _PAGE_ACCESSED)
-#define PAGE_SHARED_EXEC \
-	__pgprot(_PAGE_PRESENT | _PAGE_EXEC | _PAGE_WRITE | _PAGE_READ \
-		| _PAGE_ACCESSED)
-#define PAGE_COPY	\
-	__pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_ACCESSED)
-#define PAGE_COPY_EXEC	\
-	__pgprot(_PAGE_PRESENT | _PAGE_EXEC | _PAGE_READ | _PAGE_ACCESSED)
-#define PAGE_READONLY	\
-	__pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_ACCESSED)
-#define PAGE_READONLY_EXEC \
-	__pgprot(_PAGE_PRESENT | _PAGE_EXEC | _PAGE_READ | _PAGE_ACCESSED)
-
-#define __PAGE_KERNEL	\
-	( _PAGE_PRESENT | _PAGE_EXEC | _PAGE_WRITE | _PAGE_READ | _PAGE_DIRTY \
-	| _PAGE_ACCESSED )
-#define __PAGE_KERNEL_RO	( __PAGE_KERNEL & ~_PAGE_WRITE )
-#define __PAGE_KERNEL_NOCACHE	( __PAGE_KERNEL | _PAGE_NONCACHABLE)
-
-#define MAKE_GLOBAL(x)	__pgprot((x) | _PAGE_GLOBAL)
-
-#define PAGE_KERNEL		MAKE_GLOBAL(__PAGE_KERNEL)
-#define PAGE_KERNEL_RO		MAKE_GLOBAL(__PAGE_KERNEL_RO)
-#define PAGE_KERNEL_NOCACHE	MAKE_GLOBAL(__PAGE_KERNEL_NOCACHE)
-
-#else
-#define PAGE_NONE		__pgprot(0)
-#define PAGE_SHARED		__pgprot(0)
-#define PAGE_SHARED_EXEC	__pgprot(0)
-#define PAGE_COPY		__pgprot(0)
-#define PAGE_COPY_EXEC		__pgprot(0)
-#define PAGE_READONLY		__pgprot(0)
-#define PAGE_READONLY_EXEC	__pgprot(0)
-
-#define PAGE_KERNEL		__pgprot(0)
-#define PAGE_KERNEL_RO		__pgprot(0)
-#define PAGE_KERNEL_NOCACHE	__pgprot(0)
-#endif /* CONFIG_MMU */
-
-	/* xwr */
-#define __P000	PAGE_NONE
-#define __P001	PAGE_READONLY
-#define __P010	PAGE_COPY
-#define __P011	PAGE_COPY
-#define __P100	PAGE_READONLY_EXEC
-#define __P101	PAGE_READONLY_EXEC
-#define __P110	PAGE_COPY_EXEC
-#define __P111	PAGE_COPY_EXEC
-
-#define __S000	PAGE_NONE
-#define __S001	PAGE_READONLY
-#define __S010	PAGE_SHARED
-#define __S011	PAGE_SHARED
-#define __S100	PAGE_READONLY_EXEC
-#define __S101	PAGE_READONLY_EXEC
-#define __S110	PAGE_SHARED_EXEC
-#define __S111	PAGE_SHARED_EXEC
-
-/* page table for 0-4MB for everybody */
-
-#define pte_present(x)	(pte_val(x) & (_PAGE_PRESENT | _PAGE_PROTNONE))
-#define pte_clear(mm,addr,xp)	do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
-
-#define pmd_none(x)	(!pmd_val(x))
-#define pmd_present(x)	(pmd_val(x) & _PAGE_PRESENT)
-#define pmd_clear(xp)	do { set_pmd(xp, __pmd(0)); } while (0)
-#define	pmd_bad(x)	((pmd_val(x) & ~PAGE_MASK) != _KERNPG_TABLE)
-
-#define pages_to_mb(x)	((x) >> (20 - PAGE_SHIFT))
-
-/*
- * The following only work if pte_present() is true.
- * Undefined behaviour if not..
- */
-static inline int pte_dirty(pte_t pte)
-{
-	return pte_val(pte) & _PAGE_DIRTY;
-}
-
-static inline int pte_young(pte_t pte)
-{
-	return pte_val(pte) & _PAGE_ACCESSED;
-}
-
-static inline int pte_write(pte_t pte)
-{
-	return pte_val(pte) & _PAGE_WRITE;
-}
-
-/*
- * The following only works if pte_present() is not true.
- */
-static inline int pte_file(pte_t pte)
-{
-	return pte_val(pte) & _PAGE_FILE;
-}
-
-static inline int pte_special(pte_t pte)
-{
-	return 0;
-}
-
-static inline pte_t pte_mkclean(pte_t pte)
-{
-	pte_val(pte) &= ~_PAGE_DIRTY;
-	return pte;
-}
-
-static inline pte_t pte_mkold(pte_t pte)
-{
-	pte_val(pte) &= ~_PAGE_ACCESSED;
-	return pte;
-}
-
-static inline pte_t pte_wrprotect(pte_t pte)
-{
-	pte_val(pte) &= ~_PAGE_WRITE;
-	return pte;
-}
-
-static inline pte_t pte_mkdirty(pte_t pte)
-{
-	pte_val(pte) |= _PAGE_DIRTY;
-	return pte;
-}
-
-static inline pte_t pte_mkyoung(pte_t pte)
-{
-	pte_val(pte) |= _PAGE_ACCESSED;
-	return pte;
-}
-
-static inline pte_t pte_mkwrite(pte_t pte)
-{
-	pte_val(pte) |= _PAGE_WRITE;
-	return pte;
-}
-
-static inline pte_t pte_mkspecial(pte_t pte)
-{
-	return pte;
-}
-
-static inline  int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
-{
-	return test_and_clear_bit(_PAGE_BIT_ACCESSED, ptep);
-}
-
-static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
-	clear_bit(_PAGE_BIT_WRITE, ptep);
-}
-
-/*
- * Macro and implementation to make a page protection as uncachable.
- */
-static inline pgprot_t pgprot_noncached(pgprot_t _prot)
-{
-	unsigned long prot = pgprot_val(_prot);
-
-	prot |= _PAGE_NONCACHABLE;
-	return __pgprot(prot);
-}
-
-#define pgprot_writecombine(prot) pgprot_noncached(prot)
-
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
-#define mk_pte(page, pgprot)	pfn_pte(page_to_pfn(page), pgprot)
-
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{
-	set_pte(&pte, __pte((pte_val(pte) & _PAGE_CHG_MASK) \
-		| pgprot_val(newprot)));
-
-	return pte;
-}
-
-/*
- * Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- */
-
-static inline void pmd_set(pmd_t * pmdp, pte_t * ptep)
-{
-	pmd_val(*pmdp) = (((unsigned long) ptep) & PAGE_MASK);
-}
-
-#define pmd_page_vaddr(pmd)	\
-	((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
-
-#ifndef CONFIG_DISCONTIGMEM
-#define pmd_page(pmd)	(mem_map + ((pmd_val(pmd) >> PAGE_SHIFT) - PFN_BASE))
-#endif /* !CONFIG_DISCONTIGMEM */
-
-/* to find an entry in a page-table-directory. */
-#define pgd_index(address)	\
-	(((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1))
-
-#define pgd_offset(mm, address)	((mm)->pgd + pgd_index(address))
-
-/* to find an entry in a kernel page-table-directory */
-#define pgd_offset_k(address)	pgd_offset(&init_mm, address)
-
-#define pmd_index(address)	\
-	(((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))
-
-#define pte_index(address)	\
-	(((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
-#define pte_offset_kernel(dir, address)	\
-	((pte_t *)pmd_page_vaddr(*(dir)) + pte_index(address))
-#define pte_offset_map(dir, address)	\
-	((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))
-#define pte_offset_map_nested(dir, address)	pte_offset_map(dir, address)
-#define pte_unmap(pte)		do { } while (0)
-#define pte_unmap_nested(pte)	do { } while (0)
-
-/* Encode and de-code a swap entry */
-#define __swp_type(x)			(((x).val >> 2) & 0x1f)
-#define __swp_offset(x)			((x).val >> 10)
-#define __swp_entry(type, offset)	\
-	((swp_entry_t) { ((type) << 2) | ((offset) << 10) })
-#define __pte_to_swp_entry(pte)		((swp_entry_t) { pte_val(pte) })
-#define __swp_entry_to_pte(x)		((pte_t) { (x).val })
-
-#endif /* !__ASSEMBLY__ */
-
-/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
-#define kern_addr_valid(addr)	(1)
-
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot)	\
-		remap_pfn_range(vma, vaddr, pfn, size, prot)
-
-#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
-#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
-#define __HAVE_ARCH_PTEP_SET_WRPROTECT
-#define __HAVE_ARCH_PTE_SAME
-#include <asm-generic/pgtable.h>
-
-#endif /* __KERNEL__ */
-
-#endif /* _ASM_M32R_PGTABLE_H */