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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
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32
arch/s390/include/asm/pgtable.h
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@@ -874,35 +874,31 @@ static inline pte_t pte_mkhuge(pte_t pte)
}
#endif
static inline void __ptep_ipte(unsigned long address, pte_t *ptep)
#define IPTE_GLOBAL 0
#define IPTE_LOCAL 1
static inline void __ptep_ipte(unsigned long address, pte_t *ptep, int local)
{
unsigned long pto = (unsigned long) ptep;
/* Invalidation + global TLB flush for the pte */
/* Invalidation + TLB flush for the pte */
asm volatile(
" ipte %2,%3"
: "=m" (*ptep) : "m" (*ptep), "a" (pto), "a" (address));
" .insn rrf,0xb2210000,%[r1],%[r2],0,%[m4]"
: "+m" (*ptep) : [r1] "a" (pto), [r2] "a" (address),
[m4] "i" (local));
}
static inline void __ptep_ipte_local(unsigned long address, pte_t *ptep)
static inline void __ptep_ipte_range(unsigned long address, int nr,
pte_t *ptep, int local)
{
unsigned long pto = (unsigned long) ptep;
/* Invalidation + local TLB flush for the pte */
asm volatile(
" .insn rrf,0xb2210000,%2,%3,0,1"
: "=m" (*ptep) : "m" (*ptep), "a" (pto), "a" (address));
}
static inline void __ptep_ipte_range(unsigned long address, int nr, pte_t *ptep)
{
unsigned long pto = (unsigned long) ptep;
/* Invalidate a range of ptes + global TLB flush of the ptes */
/* Invalidate a range of ptes + TLB flush of the ptes */
do {
asm volatile(
" .insn rrf,0xb2210000,%2,%0,%1,0"
: "+a" (address), "+a" (nr) : "a" (pto) : "memory");
" .insn rrf,0xb2210000,%[r1],%[r2],%[r3],%[m4]"
: [r2] "+a" (address), [r3] "+a" (nr)
: [r1] "a" (pto), [m4] "i" (local) : "memory");
} while (nr != 255);
}