1 files changed, 1 insertions, 65 deletions

diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index e7cbbdcdee13..dedb6218544b 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -19,7 +19,6 @@
 #define _CIF_ASCE               (1<<CIF_ASCE)
 #define _CIF_NOHZ_DELAY         (1<<CIF_NOHZ_DELAY)
 
-
 #ifndef __ASSEMBLY__
 
 #include <linux/linkage.h>
@@ -66,13 +65,6 @@ extern void execve_tail(void);
 /*
  * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
  */
-#ifndef CONFIG_64BIT
-
-#define TASK_SIZE               (1UL << 31)
-#define TASK_MAX_SIZE           (1UL << 31)
-#define TASK_UNMAPPED_BASE      (1UL << 30)
-
-#else /* CONFIG_64BIT */
 
 #define TASK_SIZE_OF(tsk)       ((tsk)->mm->context.asce_limit)
 #define TASK_UNMAPPED_BASE      (test_thread_flag(TIF_31BIT) ? \
@@ -80,15 +72,8 @@ extern void execve_tail(void);
 #define TASK_SIZE               TASK_SIZE_OF(current)
 #define TASK_MAX_SIZE           (1UL << 53)
 
-#endif /* CONFIG_64BIT */
-
-#ifndef CONFIG_64BIT
-#define STACK_TOP               (1UL << 31)
-#define STACK_TOP_MAX           (1UL << 31)
-#else /* CONFIG_64BIT */
 #define STACK_TOP               (1UL << (test_thread_flag(TIF_31BIT) ? 31:42))
 #define STACK_TOP_MAX           (1UL << 42)
-#endif /* CONFIG_64BIT */
 
 #define HAVE_ARCH_PICK_MMAP_LAYOUT
 
@@ -115,10 +100,8 @@ struct thread_struct {
         /* cpu runtime instrumentation */
         struct runtime_instr_cb *ri_cb;
         int ri_signum;
-#ifdef CONFIG_64BIT
         unsigned char trap_tdb[256];    /* Transaction abort diagnose block */
         __vector128 *vxrs;              /* Vector register save area */
-#endif
 };
 
 /* Flag to disable transactions. */
@@ -181,11 +164,7 @@ struct task_struct;
 struct mm_struct;
 struct seq_file;
 
-#ifdef CONFIG_64BIT
-extern void show_cacheinfo(struct seq_file *m);
-#else
-static inline void show_cacheinfo(struct seq_file *m) { }
-#endif
+void show_cacheinfo(struct seq_file *m);
 
 /* Free all resources held by a thread. */
 extern void release_thread(struct task_struct *);
@@ -229,11 +208,7 @@ static inline void psw_set_key(unsigned int key)
  */
 static inline void __load_psw(psw_t psw)
 {
-#ifndef CONFIG_64BIT
-        asm volatile("lpsw  %0" : : "Q" (psw) : "cc");
-#else
         asm volatile("lpswe %0" : : "Q" (psw) : "cc");
-#endif
 }
 
 /*
@@ -247,22 +222,12 @@ static inline void __load_psw_mask (unsigned long mask)
 
         psw.mask = mask;
 
-#ifndef CONFIG_64BIT
-        asm volatile(
-                "       basr    %0,0\n"
-                "0:     ahi     %0,1f-0b\n"
-                "       st      %0,%O1+4(%R1)\n"
-                "       lpsw    %1\n"
-                "1:"
-                : "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc");
-#else /* CONFIG_64BIT */
         asm volatile(
                 "       larl    %0,1f\n"
                 "       stg     %0,%O1+8(%R1)\n"
                 "       lpswe   %1\n"
                 "1:"
                 : "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc");
-#endif /* CONFIG_64BIT */
 }
 
 /*
@@ -270,20 +235,12 @@ static inline void __load_psw_mask (unsigned long mask)
  */
 static inline unsigned long __rewind_psw(psw_t psw, unsigned long ilc)
 {
-#ifndef CONFIG_64BIT
-        if (psw.addr & PSW_ADDR_AMODE)
-                /* 31 bit mode */
-                return (psw.addr - ilc) | PSW_ADDR_AMODE;
-        /* 24 bit mode */
-        return (psw.addr - ilc) & ((1UL << 24) - 1);
-#else
         unsigned long mask;
 
         mask = (psw.mask & PSW_MASK_EA) ? -1UL :
                (psw.mask & PSW_MASK_BA) ? (1UL << 31) - 1 :
                                           (1UL << 24) - 1;
         return (psw.addr - ilc) & mask;
-#endif
 }
 
 /*
@@ -305,26 +262,6 @@ static inline void __noreturn disabled_wait(unsigned long code)
          * Store status and then load disabled wait psw,
          * the processor is dead afterwards
          */
-#ifndef CONFIG_64BIT
-        asm volatile(
-                "       stctl   0,0,0(%2)\n"
-                "       ni      0(%2),0xef\n"   /* switch off protection */
-                "       lctl    0,0,0(%2)\n"
-                "       stpt    0xd8\n"         /* store timer */
-                "       stckc   0xe0\n"         /* store clock comparator */
-                "       stpx    0x108\n"        /* store prefix register */
-                "       stam    0,15,0x120\n"   /* store access registers */
-                "       std     0,0x160\n"      /* store f0 */
-                "       std     2,0x168\n"      /* store f2 */
-                "       std     4,0x170\n"      /* store f4 */
-                "       std     6,0x178\n"      /* store f6 */
-                "       stm     0,15,0x180\n"   /* store general registers */
-                "       stctl   0,15,0x1c0\n"   /* store control registers */
-                "       oi      0x1c0,0x10\n"   /* fake protection bit */
-                "       lpsw    0(%1)"
-                : "=m" (ctl_buf)
-                : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc");
-#else /* CONFIG_64BIT */
         asm volatile(
                 "       stctg   0,0,0(%2)\n"
                 "       ni      4(%2),0xef\n"   /* switch off protection */
@@ -357,7 +294,6 @@ static inline void __noreturn disabled_wait(unsigned long code)
                 "       lpswe   0(%1)"
                 : "=m" (ctl_buf)
                 : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc", "0", "1");
-#endif /* CONFIG_64BIT */
         while (1);
 }