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-rw-r--r--include/asm-x86/paravirt.h21
-rw-r--r--include/asm-x86/pgtable-2level.h30
-rw-r--r--include/asm-x86/pgtable-3level.h15
-rw-r--r--include/asm-x86/pgtable.h63
-rw-r--r--include/asm-x86/pgtable_64.h64
5 files changed, 121 insertions, 72 deletions
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index 24385decbd4..4aa06b929e4 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -1039,6 +1039,27 @@ static inline void set_pmd(pmd_t *pmdp, pmd_t pmdval)
{
PVOP_VCALL2(pv_mmu_ops.set_pmd, pmdp, pmdval.pud.pgd.pgd);
}
+
+static inline void pmd_clear(pmd_t *pmdp)
+{
+ set_pmd(pmdp, __pmd(0));
+}
+
+static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+{
+ set_pte_at(mm, addr, ptep, __pte(0));
+}
+
+static inline void set_pte_atomic(pte_t *ptep, pte_t pte)
+{
+ set_pte(ptep, pte);
+}
+
+static inline void set_pte_present(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte)
+{
+ set_pte(ptep, pte);
+}
#endif /* CONFIG_X86_PAE */
/* Lazy mode for batching updates / context switch */
diff --git a/include/asm-x86/pgtable-2level.h b/include/asm-x86/pgtable-2level.h
index 65cdc8f9e3b..ce486bdbbbb 100644
--- a/include/asm-x86/pgtable-2level.h
+++ b/include/asm-x86/pgtable-2level.h
@@ -15,29 +15,31 @@ static inline void native_set_pte(pte_t *ptep , pte_t pte)
{
*ptep = pte;
}
-static inline void native_set_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep , pte_t pte)
-{
- native_set_pte(ptep, pte);
-}
+
static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
{
*pmdp = pmd;
}
-#ifndef CONFIG_PARAVIRT
-#define set_pte(pteptr, pteval) native_set_pte(pteptr, pteval)
-#define set_pte_at(mm,addr,ptep,pteval) native_set_pte_at(mm, addr, ptep, pteval)
-#define set_pmd(pmdptr, pmdval) native_set_pmd(pmdptr, pmdval)
-#endif
-#define set_pte_atomic(pteptr, pteval) set_pte(pteptr,pteval)
-#define set_pte_present(mm,addr,ptep,pteval) set_pte_at(mm,addr,ptep,pteval)
+static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
+{
+ native_set_pte(ptep, pte);
+}
+
+static inline void native_set_pte_present(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte)
+{
+ native_set_pte(ptep, pte);
+}
-#define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0)
+static inline void native_pmd_clear(pmd_t *pmdp)
+{
+ native_set_pmd(pmdp, __pmd(0));
+}
static inline void native_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *xp)
{
- *xp = __pte(0);
+ *xp = native_make_pte(0);
}
#ifdef CONFIG_SMP
diff --git a/include/asm-x86/pgtable-3level.h b/include/asm-x86/pgtable-3level.h
index a123e687112..5af7a44ed90 100644
--- a/include/asm-x86/pgtable-3level.h
+++ b/include/asm-x86/pgtable-3level.h
@@ -39,11 +39,6 @@ static inline void native_set_pte(pte_t *ptep, pte_t pte)
smp_wmb();
ptep->pte_low = pte.pte_low;
}
-static inline void native_set_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep , pte_t pte)
-{
- native_set_pte(ptep, pte);
-}
/*
* Since this is only called on user PTEs, and the page fault handler
@@ -94,16 +89,6 @@ static inline void native_pmd_clear(pmd_t *pmd)
*(tmp + 1) = 0;
}
-#ifndef CONFIG_PARAVIRT
-#define set_pte(ptep, pte) native_set_pte(ptep, pte)
-#define set_pte_at(mm, addr, ptep, pte) native_set_pte_at(mm, addr, ptep, pte)
-#define set_pte_present(mm, addr, ptep, pte) native_set_pte_present(mm, addr, ptep, pte)
-#define set_pte_atomic(ptep, pte) native_set_pte_atomic(ptep, pte)
-#define set_pmd(pmdp, pmd) native_set_pmd(pmdp, pmd)
-#define set_pud(pudp, pud) native_set_pud(pudp, pud)
-#define pmd_clear(pmd) native_pmd_clear(pmd)
-#endif
-
/*
* Pentium-II erratum A13: in PAE mode we explicitly have to flush
* the TLB via cr3 if the top-level pgd is changed...
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index eb14a70a472..a1eeacdf9d8 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -178,6 +178,39 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
return __pte(val);
}
+#ifdef CONFIG_PARAVIRT
+#include <asm/paravirt.h>
+#else /* !CONFIG_PARAVIRT */
+#define set_pte(ptep, pte) native_set_pte(ptep, pte)
+#define set_pte_at(mm, addr, ptep, pte) native_set_pte_at(mm, addr, ptep, pte)
+
+#define set_pte_present(mm, addr, ptep, pte) \
+ native_set_pte_present(mm, addr, ptep, pte)
+#define set_pte_atomic(ptep, pte) \
+ native_set_pte_atomic(ptep, pte)
+
+#define set_pmd(pmdp, pmd) native_set_pmd(pmdp, pmd)
+
+#ifndef __PAGETABLE_PUD_FOLDED
+#define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd)
+#define pgd_clear(pgd) native_pgd_clear(pgd)
+#endif
+
+#ifndef set_pud
+# define set_pud(pudp, pud) native_set_pud(pudp, pud)
+#endif
+
+#ifndef __PAGETABLE_PMD_FOLDED
+#define pud_clear(pud) native_pud_clear(pud)
+#endif
+
+#define pte_clear(mm, addr, ptep) native_pte_clear(mm, addr, ptep)
+#define pmd_clear(pmd) native_pmd_clear(pmd)
+
+#define pte_update(mm, addr, ptep) do { } while (0)
+#define pte_update_defer(mm, addr, ptep) do { } while (0)
+#endif /* CONFIG_PARAVIRT */
+
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_X86_32
@@ -188,6 +221,22 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#ifndef __ASSEMBLY__
+/* local pte updates need not use xchg for locking */
+static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep)
+{
+ pte_t res = *ptep;
+
+ /* Pure native function needs no input for mm, addr */
+ native_pte_clear(NULL, 0, ptep);
+ return res;
+}
+
+static inline void native_set_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep , pte_t pte)
+{
+ native_set_pte(ptep, pte);
+}
+
#ifndef CONFIG_PARAVIRT
/*
* Rules for using pte_update - it must be called after any PTE update which
@@ -206,16 +255,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#define pte_update_defer(mm, addr, ptep) do { } while (0)
#endif
-/* local pte updates need not use xchg for locking */
-static inline pte_t native_local_ptep_get_and_clear(pte_t *ptep)
-{
- pte_t res = *ptep;
-
- /* Pure native function needs no input for mm, addr */
- native_pte_clear(NULL, 0, ptep);
- return res;
-}
-
/*
* We only update the dirty/accessed state if we set
* the dirty bit by hand in the kernel, since the hardware
@@ -287,10 +326,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
pte_update(mm, addr, ptep);
}
-#ifndef CONFIG_PARAVIRT
-#define pte_clear(mm, addr, ptep) native_pte_clear(mm, addr, ptep)
-#endif /* !CONFIG_PARAVIRT */
-
#include <asm-generic/pgtable.h>
#endif /* __ASSEMBLY__ */
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
index 435e17187eb..29fdeb8111b 100644
--- a/include/asm-x86/pgtable_64.h
+++ b/include/asm-x86/pgtable_64.h
@@ -63,51 +63,59 @@ extern void clear_kernel_mapping(unsigned long addr, unsigned long size);
#define pgd_none(x) (!pgd_val(x))
#define pud_none(x) (!pud_val(x))
-static inline void set_pte(pte_t *dst, pte_t val)
+struct mm_struct;
+
+static inline void native_pte_clear(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep)
{
- *dst = val;
-}
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
+ *ptep = native_make_pte(0);
+}
-static inline void set_pmd(pmd_t *dst, pmd_t val)
+static inline void native_set_pte(pte_t *ptep, pte_t pte)
{
- *dst = val;
-}
+ *ptep = pte;
+}
-static inline void set_pud(pud_t *dst, pud_t val)
+static inline pte_t native_ptep_get_and_clear(pte_t *xp)
{
- *dst = val;
+#ifdef CONFIG_SMP
+ return native_make_pte(xchg(&xp->pte, 0));
+#else
+ /* native_local_ptep_get_and_clear, but duplicated because of cyclic dependency */
+ pte_t ret = *xp;
+ native_pte_clear(NULL, 0, xp);
+ return ret;
+#endif
}
-static inline void pud_clear (pud_t *pud)
+static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
{
- set_pud(pud, __pud(0));
+ *pmdp = pmd;
}
-static inline void set_pgd(pgd_t *dst, pgd_t val)
+static inline void native_pmd_clear(pmd_t *pmd)
{
- *dst = val;
-}
+ native_set_pmd(pmd, native_make_pmd(0));
+}
-static inline void pgd_clear (pgd_t * pgd)
+static inline void native_set_pud(pud_t *pudp, pud_t pud)
{
- set_pgd(pgd, __pgd(0));
+ *pudp = pud;
}
-#define native_ptep_get_and_clear(xp) __pte(xchg(&(xp)->pte, 0))
+static inline void native_pud_clear(pud_t *pud)
+{
+ native_set_pud(pud, native_make_pud(0));
+}
-struct mm_struct;
+static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd)
+{
+ *pgdp = pgd;
+}
-static inline pte_t native_ptep_get_and_clear_full(struct mm_struct *mm, unsigned long addr, pte_t *ptep, int full)
+static inline void native_pgd_clear(pgd_t * pgd)
{
- pte_t pte;
- if (full) {
- pte = *ptep;
- *ptep = __pte(0);
- } else {
- pte = native_ptep_get_and_clear(ptep);
- }
- return pte;
+ native_set_pgd(pgd, native_make_pgd(0));
}
#define pte_same(a, b) ((a).pte == (b).pte)
@@ -151,7 +159,6 @@ static inline unsigned long pmd_bad(pmd_t pmd)
#define pte_none(x) (!pte_val(x))
#define pte_present(x) (pte_val(x) & (_PAGE_PRESENT | _PAGE_PROTNONE))
-#define native_pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this right? */
#define pte_page(x) pfn_to_page(pte_pfn(x))
@@ -196,7 +203,6 @@ static inline unsigned long pmd_bad(pmd_t pmd)
pmd_index(address))
#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 pfn_pmd(nr,prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val(prot)))
#define pmd_pfn(x) ((pmd_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 02:40:51 +0000