Merge branch 'linus' into core/rodata

[pandora-kernel.git] / include / asm-s390 / system.h

diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index 92098df..819e7d9 100644 (file)
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -16,6 +16,7 @@
 #include <asm/ptrace.h>
 #include <asm/setup.h>
 #include <asm/processor.h>
+#include <asm/lowcore.h>
 
 #ifdef __KERNEL__
 
@@ -115,6 +116,12 @@ extern void pfault_fini(void);
 #define pfault_fini()          do { } while (0)
 #endif /* CONFIG_PFAULT */
 
+#ifdef CONFIG_PAGE_STATES
+extern void cmma_init(void);
+#else
+static inline void cmma_init(void) { }
+#endif
+
 #define finish_arch_switch(prev) do {                                       \
        set_fs(current->thread.mm_segment);                                  \
        account_vtime(prev);                                                 \
@@ -308,14 +315,14 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
        asm volatile(                                           \
                "       lctlg   %1,%2,0(%0)\n"                  \
                : : "a" (&array), "i" (low), "i" (high),        \
-                   "m" (*(addrtype *)(array)));                \
+                   "m" (*(addrtype *)(&array)));               \
        })
 
 #define __ctl_store(array, low, high) ({                       \
        typedef struct { char _[sizeof(array)]; } addrtype;     \
        asm volatile(                                           \
                "       stctg   %2,%3,0(%1)\n"                  \
-               : "=m" (*(addrtype *)(array))                   \
+               : "=m" (*(addrtype *)(&array))                  \
                : "a" (&array), "i" (low), "i" (high));         \
        })
 
@@ -326,14 +333,14 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
        asm volatile(                                           \
                "       lctl    %1,%2,0(%0)\n"                  \
                : : "a" (&array), "i" (low), "i" (high),        \
-                   "m" (*(addrtype *)(array)));                \
+                   "m" (*(addrtype *)(&array)));               \
 })
 
 #define __ctl_store(array, low, high) ({                       \
        typedef struct { char _[sizeof(array)]; } addrtype;     \
        asm volatile(                                           \
                "       stctl   %2,%3,0(%1)\n"                  \
-               : "=m" (*(addrtype *)(array))                   \
+               : "=m" (*(addrtype *)(&array))                  \
                : "a" (&array), "i" (low), "i" (high));         \
        })
 
@@ -422,6 +429,23 @@ extern void smp_ctl_clear_bit(int cr, int bit);
 
 #endif /* CONFIG_SMP */
 
+static inline unsigned int stfl(void)
+{
+       asm volatile(
+               "       .insn   s,0xb2b10000,0(0)\n" /* stfl */
+               "0:\n"
+               EX_TABLE(0b,0b));
+       return S390_lowcore.stfl_fac_list;
+}
+
+static inline unsigned short stap(void)
+{
+       unsigned short cpu_address;
+
+       asm volatile("stap %0" : "=m" (cpu_address));
+       return cpu_address;
+}
+
 extern void (*_machine_restart)(char *command);
 extern void (*_machine_halt)(void);
 extern void (*_machine_power_off)(void);