Pull ibm into release branch

[sfrench/cifs-2.6.git] / include / asm-s390 / processor.h

diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index cbbedc63ba25bac653aba4363ea5e1c6c2822fbb..33b80ced4bc1767546af9afe44f75abfe2d61dec 100644 (file)
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -36,6 +36,11 @@ typedef struct
         unsigned int unused  : 16;
 } __attribute__ ((packed)) cpuid_t;
 
+static inline void get_cpu_id(cpuid_t *ptr)
+{
+       asm volatile("stidp 0(%1)" : "=m" (*ptr) : "a" (ptr));
+}
+
 struct cpuinfo_S390
 {
         cpuid_t  cpu_id;
@@ -50,6 +55,7 @@ struct cpuinfo_S390
         unsigned long pgtable_cache_sz;
 };
 
+extern void s390_adjust_jiffies(void);
 extern void print_cpu_info(struct cpuinfo_S390 *);
 
 /* Lazy FPU handling on uni-processor */
@@ -144,7 +150,8 @@ struct stack_frame {
 #ifndef __s390x__
 
 #define start_thread(regs, new_psw, new_stackp) do {            \
-        regs->psw.mask  = PSW_USER_BITS;                        \
+       set_fs(USER_DS);                                        \
+       regs->psw.mask  = psw_user_bits;                        \
         regs->psw.addr  = new_psw | PSW_ADDR_AMODE;             \
         regs->gprs[15]  = new_stackp ;                          \
 } while (0)
@@ -152,13 +159,15 @@ struct stack_frame {
 #else /* __s390x__ */
 
 #define start_thread(regs, new_psw, new_stackp) do {            \
-        regs->psw.mask  = PSW_USER_BITS;                        \
+       set_fs(USER_DS);                                        \
+       regs->psw.mask  = psw_user_bits;                        \
         regs->psw.addr  = new_psw;                              \
         regs->gprs[15]  = new_stackp;                           \
 } while (0)
 
 #define start_thread31(regs, new_psw, new_stackp) do {          \
-       regs->psw.mask  = PSW_USER32_BITS;                      \
+       set_fs(USER_DS);                                        \
+       regs->psw.mask  = psw_user32_bits;                      \
         regs->psw.addr  = new_psw;                              \
         regs->gprs[15]  = new_stackp;                           \
 } while (0)
@@ -201,9 +210,8 @@ unsigned long get_wchan(struct task_struct *p);
 static inline void cpu_relax(void)
 {
        if (MACHINE_HAS_DIAG44)
-               asm volatile("diag 0,0,68" : : : "memory");
-       else
-               barrier();
+               asm volatile("diag 0,0,68");
+       barrier();
 }
 
 /*
@@ -327,6 +335,18 @@ static inline void disabled_wait(unsigned long code)
 #endif /* __s390x__ */
 }
 
+/*
+ * Basic Machine Check/Program Check Handler.
+ */
+
+extern void s390_base_mcck_handler(void);
+extern void s390_base_pgm_handler(void);
+extern void s390_base_ext_handler(void);
+
+extern void (*s390_base_mcck_handler_fn)(void);
+extern void (*s390_base_pgm_handler_fn)(void);
+extern void (*s390_base_ext_handler_fn)(void);
+
 /*
  * CPU idle notifier chain.
  */