diff options
Diffstat (limited to 'arch/s390/include')
-rw-r--r-- | arch/s390/include/asm/facility.h | 3 | ||||
-rw-r--r-- | arch/s390/include/asm/pgalloc.h | 3 | ||||
-rw-r--r-- | arch/s390/include/asm/swab.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/tlb.h | 22 |
4 files changed, 3 insertions, 27 deletions
diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h index 1e5b27e..2ee66a6 100644 --- a/arch/s390/include/asm/facility.h +++ b/arch/s390/include/asm/facility.h @@ -38,12 +38,11 @@ static inline void stfle(u64 *stfle_fac_list, int size) unsigned long nr; preempt_disable(); - S390_lowcore.stfl_fac_list = 0; asm volatile( " .insn s,0xb2b10000,0(0)\n" /* stfl */ "0:\n" EX_TABLE(0b, 0b) - : "=m" (S390_lowcore.stfl_fac_list)); + : "+m" (S390_lowcore.stfl_fac_list)); nr = 4; /* bytes stored by stfl */ memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4); if (S390_lowcore.stfl_fac_list & 0x01000000) { diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h index 8eef9b5..78e3041 100644 --- a/arch/s390/include/asm/pgalloc.h +++ b/arch/s390/include/asm/pgalloc.h @@ -22,10 +22,7 @@ void crst_table_free(struct mm_struct *, unsigned long *); unsigned long *page_table_alloc(struct mm_struct *, unsigned long); void page_table_free(struct mm_struct *, unsigned long *); -#ifdef CONFIG_HAVE_RCU_TABLE_FREE void page_table_free_rcu(struct mmu_gather *, unsigned long *); -void __tlb_remove_table(void *_table); -#endif static inline void clear_table(unsigned long *s, unsigned long val, size_t n) { diff --git a/arch/s390/include/asm/swab.h b/arch/s390/include/asm/swab.h index 6bdee21..a3e4ebb 100644 --- a/arch/s390/include/asm/swab.h +++ b/arch/s390/include/asm/swab.h @@ -77,7 +77,7 @@ static inline __u16 __arch_swab16p(const __u16 *x) asm volatile( #ifndef __s390x__ - " icm %0,2,%O+1(%R1)\n" + " icm %0,2,%O1+1(%R1)\n" " ic %0,%1\n" : "=&d" (result) : "Q" (*x) : "cc"); #else /* __s390x__ */ diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index c687a2c..775a5ee 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -30,14 +30,10 @@ struct mmu_gather { struct mm_struct *mm; -#ifdef CONFIG_HAVE_RCU_TABLE_FREE struct mmu_table_batch *batch; -#endif unsigned int fullmm; - unsigned int need_flush; }; -#ifdef CONFIG_HAVE_RCU_TABLE_FREE struct mmu_table_batch { struct rcu_head rcu; unsigned int nr; @@ -49,7 +45,6 @@ struct mmu_table_batch { extern void tlb_table_flush(struct mmu_gather *tlb); extern void tlb_remove_table(struct mmu_gather *tlb, void *table); -#endif static inline void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, @@ -57,29 +52,20 @@ static inline void tlb_gather_mmu(struct mmu_gather *tlb, { tlb->mm = mm; tlb->fullmm = full_mm_flush; - tlb->need_flush = 0; -#ifdef CONFIG_HAVE_RCU_TABLE_FREE tlb->batch = NULL; -#endif if (tlb->fullmm) __tlb_flush_mm(mm); } static inline void tlb_flush_mmu(struct mmu_gather *tlb) { - if (!tlb->need_flush) - return; - tlb->need_flush = 0; - __tlb_flush_mm(tlb->mm); -#ifdef CONFIG_HAVE_RCU_TABLE_FREE tlb_table_flush(tlb); -#endif } static inline void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) { - tlb_flush_mmu(tlb); + tlb_table_flush(tlb); } /* @@ -105,10 +91,8 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long address) { -#ifdef CONFIG_HAVE_RCU_TABLE_FREE if (!tlb->fullmm) return page_table_free_rcu(tlb, (unsigned long *) pte); -#endif page_table_free(tlb->mm, (unsigned long *) pte); } @@ -125,10 +109,8 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, #ifdef __s390x__ if (tlb->mm->context.asce_limit <= (1UL << 31)) return; -#ifdef CONFIG_HAVE_RCU_TABLE_FREE if (!tlb->fullmm) return tlb_remove_table(tlb, pmd); -#endif crst_table_free(tlb->mm, (unsigned long *) pmd); #endif } @@ -146,10 +128,8 @@ static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, #ifdef __s390x__ if (tlb->mm->context.asce_limit <= (1UL << 42)) return; -#ifdef CONFIG_HAVE_RCU_TABLE_FREE if (!tlb->fullmm) return tlb_remove_table(tlb, pud); -#endif crst_table_free(tlb->mm, (unsigned long *) pud); #endif } |