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

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Merge the __p[m|u]xdp_idte and __p[m|u]dp_idte_local functions into a
single __p[m|u]dp_idte function with an additional parameter.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2016-06-14 12:41:35 +02:00
parent 34eeaf376d
commit 47e4d851c5
2 changed files with 18 additions and 38 deletions
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46
arch/s390/include/asm/pgtable.h
View File

@ -1235,53 +1235,33 @@ static inline void __pmdp_csp(pmd_t *pmdp)
pmd_val(*pmdp) | _SEGMENT_ENTRY_INVALID);
}
static inline void __pmdp_idte(unsigned long address, pmd_t *pmdp)
#define IDTE_GLOBAL 0
#define IDTE_LOCAL 1
static inline void __pmdp_idte(unsigned long address, pmd_t *pmdp, int local)
{
unsigned long sto;
sto = (unsigned long) pmdp - pmd_index(address) * sizeof(pmd_t);
asm volatile(
" .insn rrf,0xb98e0000,%2,%3,0,0"
: "=m" (*pmdp)
: "m" (*pmdp), "a" (sto), "a" ((address & HPAGE_MASK))
" .insn rrf,0xb98e0000,%[r1],%[r2],0,%[m4]"
: "+m" (*pmdp)
: [r1] "a" (sto), [r2] "a" ((address & HPAGE_MASK)),
[m4] "i" (local)
: "cc" );
}
static inline void __pudp_idte(unsigned long address, pud_t *pudp)
static inline void __pudp_idte(unsigned long address, pud_t *pudp, int local)
{
unsigned long r3o;
r3o = (unsigned long) pudp - pud_index(address) * sizeof(pud_t);
r3o |= _ASCE_TYPE_REGION3;
asm volatile(
" .insn rrf,0xb98e0000,%2,%3,0,0"
: "=m" (*pudp)
: "m" (*pudp), "a" (r3o), "a" ((address & PUD_MASK))
: "cc");
}
static inline void __pmdp_idte_local(unsigned long address, pmd_t *pmdp)
{
unsigned long sto;
sto = (unsigned long) pmdp - pmd_index(address) * sizeof(pmd_t);
asm volatile(
" .insn rrf,0xb98e0000,%2,%3,0,1"
: "=m" (*pmdp)
: "m" (*pmdp), "a" (sto), "a" ((address & HPAGE_MASK))
: "cc" );
}
static inline void __pudp_idte_local(unsigned long address, pud_t *pudp)
{
unsigned long r3o;
r3o = (unsigned long) pudp - pud_index(address) * sizeof(pud_t);
r3o |= _ASCE_TYPE_REGION3;
asm volatile(
" .insn rrf,0xb98e0000,%2,%3,0,1"
: "=m" (*pudp)
: "m" (*pudp), "a" (r3o), "a" ((address & PUD_MASK))
" .insn rrf,0xb98e0000,%[r1],%[r2],0,%[m4]"
: "+m" (*pudp)
: [r1] "a" (r3o), [r2] "a" ((address & PUD_MASK)),
[m4] "i" (local)
: "cc");
}

10
arch/s390/mm/pgtable.c
View File

@ -301,9 +301,9 @@ static inline pmd_t pmdp_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())))
__pmdp_idte_local(addr, pmdp);
__pmdp_idte(addr, pmdp, IDTE_LOCAL);
else
__pmdp_idte(addr, pmdp);
__pmdp_idte(addr, pmdp, IDTE_GLOBAL);
atomic_dec(&mm->context.flush_count);
return old;
}
@ -322,7 +322,7 @@ static inline pmd_t pmdp_flush_lazy(struct mm_struct *mm,
pmd_val(*pmdp) |= _SEGMENT_ENTRY_INVALID;
mm->context.flush_mm = 1;
} else if (MACHINE_HAS_IDTE)
__pmdp_idte(addr, pmdp);
__pmdp_idte(addr, pmdp, IDTE_GLOBAL);
else
__pmdp_csp(pmdp);
atomic_dec(&mm->context.flush_count);
@ -374,9 +374,9 @@ static inline pud_t pudp_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())))
__pudp_idte_local(addr, pudp);
__pudp_idte(addr, pudp, IDTE_LOCAL);
else
__pudp_idte(addr, pudp);
__pudp_idte(addr, pudp, IDTE_GLOBAL);
atomic_dec(&mm->context.flush_count);
return old;
}