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Subject[PATCH 7 of 8] x86/paravirt: make set_pmd operation common
Date
From
Remove duplicate set_pmd()s.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
---
include/asm-x86/paravirt.h | 43 ++++++++++++++++++++-----------------------
1 file changed, 20 insertions(+), 23 deletions(-)

diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -998,6 +998,16 @@ static inline void set_pte_at(struct mm_
PVOP_VCALL4(pv_mmu_ops.set_pte_at, mm, addr, ptep, pte.pte);
}

+static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
+{
+ pmdval_t val = native_pmd_val(pmd);
+
+ if (sizeof(pmdval_t) > sizeof(long))
+ PVOP_VCALL3(pv_mmu_ops.set_pmd, pmdp, val, (u64)val >> 32);
+ else
+ PVOP_VCALL2(pv_mmu_ops.set_pmd, pmdp, val);
+}
+
#ifdef CONFIG_X86_PAE
/* Special-case pte-setting operations for PAE, which can't update a
64-bit pte atomically */
@@ -1019,6 +1029,11 @@ static inline void pte_clear(struct mm_s
{
PVOP_VCALL3(pv_mmu_ops.pte_clear, mm, addr, ptep);
}
+
+static inline void pmd_clear(pmd_t *pmdp)
+{
+ PVOP_VCALL1(pv_mmu_ops.pmd_clear, pmdp);
+}
#else /* !CONFIG_X86_PAE */
static inline void set_pte_atomic(pte_t *ptep, pte_t pte)
{
@@ -1035,6 +1050,11 @@ static inline void pte_clear(struct mm_s
pte_t *ptep)
{
set_pte_at(mm, addr, ptep, __pte(0));
+}
+
+static inline void pmd_clear(pmd_t *pmdp)
+{
+ set_pmd(pmdp, __pmd(0));
}
#endif /* CONFIG_X86_PAE */

@@ -1070,33 +1090,10 @@ static inline pmdval_t pmd_val(pmd_t pmd

#ifdef CONFIG_X86_PAE

-static inline void set_pmd(pmd_t *pmdp, pmd_t pmdval)
-{
- PVOP_VCALL3(pv_mmu_ops.set_pmd, pmdp,
- pmdval.pmd, pmdval.pmd >> 32);
-}
-
static inline void set_pud(pud_t *pudp, pud_t pudval)
{
PVOP_VCALL3(pv_mmu_ops.set_pud, pudp,
pudval.pgd.pgd, pudval.pgd.pgd >> 32);
-}
-
-static inline void pmd_clear(pmd_t *pmdp)
-{
- PVOP_VCALL1(pv_mmu_ops.pmd_clear, pmdp);
-}
-
-#else /* !CONFIG_X86_PAE */
-
-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));
}

#endif /* CONFIG_X86_PAE */



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