4 files changed, 3 insertions, 27 deletions

diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h
index 1e5b27edc0c..2ee66a65f2d 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 8eef9b5b3cf..78e3041919d 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 6bdee21c077..a3e4ebb3209 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 c687a2c8346..775a5eea8f9 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
 }