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xen: make a pile of mmu pvop functions static

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Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2010-12-01 22:57:39 -08:00
parent ef691947d8
commit 4c13629f81
2 changed files with 23 additions and 60 deletions
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46
arch/x86/xen/mmu.c
View file

@ -283,7 +283,7 @@ static void xen_extend_mmu_update(const struct mmu_update *update)
*u = *update;
}
void xen_set_pmd_hyper(pmd_t *ptr, pmd_t val)
static void xen_set_pmd_hyper(pmd_t *ptr, pmd_t val)
{
struct mmu_update u;
@ -303,7 +303,7 @@ void xen_set_pmd_hyper(pmd_t *ptr, pmd_t val)
preempt_enable();
}
void xen_set_pmd(pmd_t *ptr, pmd_t val)
static void xen_set_pmd(pmd_t *ptr, pmd_t val)
{
ADD_STATS(pmd_update, 1);
@ -346,7 +346,7 @@ static bool xen_batched_set_pte(pte_t *ptep, pte_t pteval)
return true;
}
void xen_set_pte(pte_t *ptep, pte_t pteval)
static void xen_set_pte(pte_t *ptep, pte_t pteval)
{
ADD_STATS(pte_update, 1);
// ADD_STATS(pte_update_pinned, xen_page_pinned(ptep));
@ -355,7 +355,7 @@ void xen_set_pte(pte_t *ptep, pte_t pteval)
native_set_pte(ptep, pteval);
}
void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
static void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval)
{
xen_set_pte(ptep, pteval);
@ -449,7 +449,7 @@ static pteval_t iomap_pte(pteval_t val)
return val;
}
pteval_t xen_pte_val(pte_t pte)
static pteval_t xen_pte_val(pte_t pte)
{
pteval_t pteval = pte.pte;
@ -466,7 +466,7 @@ pteval_t xen_pte_val(pte_t pte)
}
PV_CALLEE_SAVE_REGS_THUNK(xen_pte_val);
pgdval_t xen_pgd_val(pgd_t pgd)
static pgdval_t xen_pgd_val(pgd_t pgd)
{
return pte_mfn_to_pfn(pgd.pgd);
}
@ -497,7 +497,7 @@ void xen_set_pat(u64 pat)
WARN_ON(pat != 0x0007010600070106ull);
}
pte_t xen_make_pte(pteval_t pte)
static pte_t xen_make_pte(pteval_t pte)
{
phys_addr_t addr = (pte & PTE_PFN_MASK);
@ -567,20 +567,20 @@ pte_t xen_make_pte_debug(pteval_t pte)
PV_CALLEE_SAVE_REGS_THUNK(xen_make_pte_debug);
#endif
pgd_t xen_make_pgd(pgdval_t pgd)
static pgd_t xen_make_pgd(pgdval_t pgd)
{
pgd = pte_pfn_to_mfn(pgd);
return native_make_pgd(pgd);
}
PV_CALLEE_SAVE_REGS_THUNK(xen_make_pgd);
pmdval_t xen_pmd_val(pmd_t pmd)
static pmdval_t xen_pmd_val(pmd_t pmd)
{
return pte_mfn_to_pfn(pmd.pmd);
}
PV_CALLEE_SAVE_REGS_THUNK(xen_pmd_val);
void xen_set_pud_hyper(pud_t *ptr, pud_t val)
static void xen_set_pud_hyper(pud_t *ptr, pud_t val)
{
struct mmu_update u;
@ -600,7 +600,7 @@ void xen_set_pud_hyper(pud_t *ptr, pud_t val)
preempt_enable();
}
void xen_set_pud(pud_t *ptr, pud_t val)
static void xen_set_pud(pud_t *ptr, pud_t val)
{
ADD_STATS(pud_update, 1);
@ -617,24 +617,24 @@ void xen_set_pud(pud_t *ptr, pud_t val)
}
#ifdef CONFIG_X86_PAE
void xen_set_pte_atomic(pte_t *ptep, pte_t pte)
static void xen_set_pte_atomic(pte_t *ptep, pte_t pte)
{
set_64bit((u64 *)ptep, native_pte_val(pte));
}
void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
static void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
if (!xen_batched_set_pte(ptep, native_make_pte(0)))
native_pte_clear(mm, addr, ptep);
}
void xen_pmd_clear(pmd_t *pmdp)
static void xen_pmd_clear(pmd_t *pmdp)
{
set_pmd(pmdp, __pmd(0));
}
#endif /* CONFIG_X86_PAE */
pmd_t xen_make_pmd(pmdval_t pmd)
static pmd_t xen_make_pmd(pmdval_t pmd)
{
pmd = pte_pfn_to_mfn(pmd);
return native_make_pmd(pmd);
@ -642,13 +642,13 @@ pmd_t xen_make_pmd(pmdval_t pmd)
PV_CALLEE_SAVE_REGS_THUNK(xen_make_pmd);
#if PAGETABLE_LEVELS == 4
pudval_t xen_pud_val(pud_t pud)
static pudval_t xen_pud_val(pud_t pud)
{
return pte_mfn_to_pfn(pud.pud);
}
PV_CALLEE_SAVE_REGS_THUNK(xen_pud_val);
pud_t xen_make_pud(pudval_t pud)
static pud_t xen_make_pud(pudval_t pud)
{
pud = pte_pfn_to_mfn(pud);
@ -656,7 +656,7 @@ pud_t xen_make_pud(pudval_t pud)
}
PV_CALLEE_SAVE_REGS_THUNK(xen_make_pud);
pgd_t *xen_get_user_pgd(pgd_t *pgd)
static pgd_t *xen_get_user_pgd(pgd_t *pgd)
{
pgd_t *pgd_page = (pgd_t *)(((unsigned long)pgd) & PAGE_MASK);
unsigned offset = pgd - pgd_page;
@ -688,7 +688,7 @@ static void __xen_set_pgd_hyper(pgd_t *ptr, pgd_t val)
* 2. It is always pinned
* 3. It has no user pagetable attached to it
*/
void __init xen_set_pgd_hyper(pgd_t *ptr, pgd_t val)
static void __init xen_set_pgd_hyper(pgd_t *ptr, pgd_t val)
{
preempt_disable();
@ -701,7 +701,7 @@ void __init xen_set_pgd_hyper(pgd_t *ptr, pgd_t val)
preempt_enable();
}
void xen_set_pgd(pgd_t *ptr, pgd_t val)
static void xen_set_pgd(pgd_t *ptr, pgd_t val)
{
pgd_t *user_ptr = xen_get_user_pgd(ptr);
@ -1122,14 +1122,14 @@ void xen_mm_unpin_all(void)
spin_unlock(&pgd_lock);
}
void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next)
static void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next)
{
spin_lock(&next->page_table_lock);
xen_pgd_pin(next);
spin_unlock(&next->page_table_lock);
}
void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm)
static void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm)
{
spin_lock(&mm->page_table_lock);
xen_pgd_pin(mm);
@ -1216,7 +1216,7 @@ static void xen_drop_mm_ref(struct mm_struct *mm)
* pagetable because of lazy tlb flushing. This means we need need to
* switch all CPUs off this pagetable before we can unpin it.
*/
void xen_exit_mmap(struct mm_struct *mm)
static void xen_exit_mmap(struct mm_struct *mm)
{
get_cpu(); /* make sure we don't move around */
xen_drop_mm_ref(mm);

37
arch/x86/xen/mmu.h
View file

@ -15,43 +15,6 @@ bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next);
void xen_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm);
void xen_exit_mmap(struct mm_struct *mm);
pteval_t xen_pte_val(pte_t);
pmdval_t xen_pmd_val(pmd_t);
pgdval_t xen_pgd_val(pgd_t);
pte_t xen_make_pte(pteval_t);
pmd_t xen_make_pmd(pmdval_t);
pgd_t xen_make_pgd(pgdval_t);
void xen_set_pte(pte_t *ptep, pte_t pteval);
void xen_set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval);
#ifdef CONFIG_X86_PAE
void xen_set_pte_atomic(pte_t *ptep, pte_t pte);
void xen_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
void xen_pmd_clear(pmd_t *pmdp);
#endif /* CONFIG_X86_PAE */
void xen_set_pmd(pmd_t *pmdp, pmd_t pmdval);
void xen_set_pud(pud_t *ptr, pud_t val);
void xen_set_pmd_hyper(pmd_t *pmdp, pmd_t pmdval);
void xen_set_pud_hyper(pud_t *ptr, pud_t val);
#if PAGETABLE_LEVELS == 4
pudval_t xen_pud_val(pud_t pud);
pud_t xen_make_pud(pudval_t pudval);
void xen_set_pgd(pgd_t *pgdp, pgd_t pgd);
void xen_set_pgd_hyper(pgd_t *pgdp, pgd_t pgd);
#endif
pgd_t *xen_get_user_pgd(pgd_t *pgd);
pte_t xen_ptep_modify_prot_start(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);