diff options
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 7c4af56f2b7..2de229c1b46 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1053,6 +1053,22 @@ static inline void __ptep_ipte_local(unsigned long address, pte_t *ptep) : "=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; + +#ifndef CONFIG_64BIT + /* pto in ESA mode must point to the start of the segment table */ + pto &= 0x7ffffc00; +#endif + /* Invalidate a range of ptes + global TLB flush of the ptes */ + do { + asm volatile( + " .insn rrf,0xb2210000,%2,%0,%1,0" + : "+a" (address), "+a" (nr) : "a" (pto) : "memory"); + } while (nr != 255); +} + static inline void ptep_flush_direct(struct mm_struct *mm, unsigned long address, pte_t *ptep) { |