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s390/mm: merge local / non-local IPTE helper

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Merge the __ptep_ipte and __ptep_ipte_local functions into a single
__ptep_ipte function with an additional parameter. The __pte_ipte_range
function is still extra as the while loops makes it hard to merge.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky
2016-06-14 12:38:40 +02:00
parent 44b6cc8130
commit 34eeaf376d
3 changed files with 20 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/s390/mm/pageattr.c
View File

@@ -309,11 +309,11 @@ static void ipte_range(pte_t *pte, unsigned long address, int nr)
int i;
if (test_facility(13)) {
__ptep_ipte_range(address, nr - 1, pte);
__ptep_ipte_range(address, nr - 1, pte, IPTE_GLOBAL);
return;
}
for (i = 0; i < nr; i++) {
__ptep_ipte(address, pte);
__ptep_ipte(address, pte, IPTE_GLOBAL);
address += PAGE_SIZE;
pte++;
}

8
arch/s390/mm/pgtable.c
View File

@@ -35,9 +35,9 @@ static inline pte_t ptep_flush_direct(struct mm_struct *mm,
atomic_inc(&mm->context.flush_count);
if (MACHINE_HAS_TLB_LC &&
cpumask_equal(mm_cpumask(mm), cpumask_of(smp_processor_id())))
__ptep_ipte_local(addr, ptep);
__ptep_ipte(addr, ptep, IPTE_LOCAL);
else
__ptep_ipte(addr, ptep);
__ptep_ipte(addr, ptep, IPTE_GLOBAL);
atomic_dec(&mm->context.flush_count);
return old;
}
@@ -56,7 +56,7 @@ static inline pte_t ptep_flush_lazy(struct mm_struct *mm,
pte_val(*ptep) |= _PAGE_INVALID;
mm->context.flush_mm = 1;
} else
__ptep_ipte(addr, ptep);
__ptep_ipte(addr, ptep, IPTE_GLOBAL);
atomic_dec(&mm->context.flush_count);
return old;
}
@@ -620,7 +620,7 @@ bool test_and_clear_guest_dirty(struct mm_struct *mm, unsigned long addr)
pte = *ptep;
if (dirty && (pte_val(pte) & _PAGE_PRESENT)) {
pgste = pgste_pte_notify(mm, addr, ptep, pgste);
__ptep_ipte(addr, ptep);
__ptep_ipte(addr, ptep, IPTE_GLOBAL);
if (MACHINE_HAS_ESOP || !(pte_val(pte) & _PAGE_WRITE))
pte_val(pte) |= _PAGE_PROTECT;
else