Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (24 commits)
  [S390] drivers/s390/char: Use kmemdup
  [S390] drivers/s390/char: Use kstrdup
  [S390] debug: enable exception-trace debug facility
  [S390] s390_hypfs: Add new attributes
  [S390] qdio: remove API wrappers
  [S390] qdio: set correct bit in dsci
  [S390] qdio: dont convert timestamps to microseconds
  [S390] qdio: remove memset hack
  [S390] qdio: prevent starvation on PCI devices
  [S390] qdio: count number of qdio interrupts
  [S390] user space fault: report fault before calling do_exit
  [S390] topology: expose core identifier
  [S390] dasd: remove uid from devmap
  [S390] dasd: add dynamic pav toleration
  [S390] vdso: add missing vdso_install target
  [S390] vdso: remove redundant check for CONFIG_64BIT
  [S390] avoid default_llseek in s390 drivers
  [S390] vmcp: disallow modular build
  [S390] add breaking event address for user space
  [S390] virtualization aware cpu measurement
  ...

9 files changed, 66 insertions, 58 deletions

diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index 258ba88b7b50..8b1a52a137c5 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -188,15 +188,16 @@ struct s390_idle_data {
 
 DECLARE_PER_CPU(struct s390_idle_data, s390_idle);
 
-void vtime_start_cpu(void);
+void vtime_start_cpu(__u64 int_clock, __u64 enter_timer);
 cputime64_t s390_get_idle_time(int cpu);
 
 #define arch_idle_time(cpu) s390_get_idle_time(cpu)
 
-static inline void s390_idle_check(void)
+static inline void s390_idle_check(struct pt_regs *regs, __u64 int_clock,
+                                   __u64 enter_timer)
 {
-        if ((&__get_cpu_var(s390_idle))->idle_enter != 0ULL)
-                vtime_start_cpu();
+        if (regs->psw.mask & PSW_MASK_WAIT)
+                vtime_start_cpu(int_clock, enter_timer);
 }
 
 static inline int s390_nohz_delay(int cpu)
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 05527c040b7a..0f97ef2d92ac 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -104,38 +104,39 @@ struct _lowcore {
         /* CPU time accounting values */
         __u64   sync_enter_timer;               /* 0x0250 */
         __u64   async_enter_timer;              /* 0x0258 */
-        __u64   exit_timer;                     /* 0x0260 */
-        __u64   user_timer;                     /* 0x0268 */
-        __u64   system_timer;                   /* 0x0270 */
-        __u64   steal_timer;                    /* 0x0278 */
-        __u64   last_update_timer;              /* 0x0280 */
-        __u64   last_update_clock;              /* 0x0288 */
+        __u64   mcck_enter_timer;               /* 0x0260 */
+        __u64   exit_timer;                     /* 0x0268 */
+        __u64   user_timer;                     /* 0x0270 */
+        __u64   system_timer;                   /* 0x0278 */
+        __u64   steal_timer;                    /* 0x0280 */
+        __u64   last_update_timer;              /* 0x0288 */
+        __u64   last_update_clock;              /* 0x0290 */
 
         /* Current process. */
-        __u32   current_task;                   /* 0x0290 */
-        __u32   thread_info;                    /* 0x0294 */
-        __u32   kernel_stack;                   /* 0x0298 */
+        __u32   current_task;                   /* 0x0298 */
+        __u32   thread_info;                    /* 0x029c */
+        __u32   kernel_stack;                   /* 0x02a0 */
 
         /* Interrupt and panic stack. */
-        __u32   async_stack;                    /* 0x029c */
-        __u32   panic_stack;                    /* 0x02a0 */
+        __u32   async_stack;                    /* 0x02a4 */
+        __u32   panic_stack;                    /* 0x02a8 */
 
         /* Address space pointer. */
-        __u32   kernel_asce;                    /* 0x02a4 */
-        __u32   user_asce;                      /* 0x02a8 */
-        __u32   user_exec_asce;                 /* 0x02ac */
+        __u32   kernel_asce;                    /* 0x02ac */
+        __u32   user_asce;                      /* 0x02b0 */
+        __u32   user_exec_asce;                 /* 0x02b4 */
 
         /* SMP info area */
-        struct cpuid cpu_id;                    /* 0x02b0 */
         __u32   cpu_nr;                         /* 0x02b8 */
         __u32   softirq_pending;                /* 0x02bc */
         __u32   percpu_offset;                  /* 0x02c0 */
         __u32   ext_call_fast;                  /* 0x02c4 */
         __u64   int_clock;                      /* 0x02c8 */
-        __u64   clock_comparator;               /* 0x02d0 */
-        __u32   machine_flags;                  /* 0x02d8 */
-        __u32   ftrace_func;                    /* 0x02dc */
-        __u8    pad_0x02e0[0x0300-0x02e0];      /* 0x02e0 */
+        __u64   mcck_clock;                     /* 0x02d0 */
+        __u64   clock_comparator;               /* 0x02d8 */
+        __u32   machine_flags;                  /* 0x02e0 */
+        __u32   ftrace_func;                    /* 0x02e4 */
+        __u8    pad_0x02e8[0x0300-0x02e8];      /* 0x02e8 */
 
         /* Interrupt response block */
         __u8    irb[64];                        /* 0x0300 */
@@ -189,14 +190,14 @@ struct _lowcore {
         __u32   data_exc_code;                  /* 0x0090 */
         __u16   mon_class_num;                  /* 0x0094 */
         __u16   per_perc_atmid;                 /* 0x0096 */
-        addr_t  per_address;                    /* 0x0098 */
+        __u64   per_address;                    /* 0x0098 */
         __u8    exc_access_id;                  /* 0x00a0 */
         __u8    per_access_id;                  /* 0x00a1 */
         __u8    op_access_id;                   /* 0x00a2 */
         __u8    ar_access_id;                   /* 0x00a3 */
         __u8    pad_0x00a4[0x00a8-0x00a4];      /* 0x00a4 */
-        addr_t  trans_exc_code;                 /* 0x00a8 */
-        addr_t  monitor_code;                   /* 0x00b0 */
+        __u64   trans_exc_code;                 /* 0x00a8 */
+        __u64   monitor_code;                   /* 0x00b0 */
         __u16   subchannel_id;                  /* 0x00b8 */
         __u16   subchannel_nr;                  /* 0x00ba */
         __u32   io_int_parm;                    /* 0x00bc */
@@ -207,7 +208,7 @@ struct _lowcore {
         __u32   mcck_interruption_code[2];      /* 0x00e8 */
         __u8    pad_0x00f0[0x00f4-0x00f0];      /* 0x00f0 */
         __u32   external_damage_code;           /* 0x00f4 */
-        addr_t  failing_storage_address;        /* 0x00f8 */
+        __u64   failing_storage_address;        /* 0x00f8 */
         __u8    pad_0x0100[0x0110-0x0100];      /* 0x0100 */
         __u64   breaking_event_addr;            /* 0x0110 */
         __u8    pad_0x0118[0x0120-0x0118];      /* 0x0118 */
@@ -233,39 +234,41 @@ struct _lowcore {
         /* CPU accounting and timing values. */
         __u64   sync_enter_timer;               /* 0x02a0 */
         __u64   async_enter_timer;              /* 0x02a8 */
-        __u64   exit_timer;                     /* 0x02b0 */
-        __u64   user_timer;                     /* 0x02b8 */
-        __u64   system_timer;                   /* 0x02c0 */
-        __u64   steal_timer;                    /* 0x02c8 */
-        __u64   last_update_timer;              /* 0x02d0 */
-        __u64   last_update_clock;              /* 0x02d8 */
+        __u64   mcck_enter_timer;               /* 0x02b0 */
+        __u64   exit_timer;                     /* 0x02b8 */
+        __u64   user_timer;                     /* 0x02c0 */
+        __u64   system_timer;                   /* 0x02c8 */
+        __u64   steal_timer;                    /* 0x02d0 */
+        __u64   last_update_timer;              /* 0x02d8 */
+        __u64   last_update_clock;              /* 0x02e0 */
 
         /* Current process. */
-        __u64   current_task;                   /* 0x02e0 */
-        __u64   thread_info;                    /* 0x02e8 */
-        __u64   kernel_stack;                   /* 0x02f0 */
+        __u64   current_task;                   /* 0x02e8 */
+        __u64   thread_info;                    /* 0x02f0 */
+        __u64   kernel_stack;                   /* 0x02f8 */
 
         /* Interrupt and panic stack. */
-        __u64   async_stack;                    /* 0x02f8 */
-        __u64   panic_stack;                    /* 0x0300 */
+        __u64   async_stack;                    /* 0x0300 */
+        __u64   panic_stack;                    /* 0x0308 */
 
         /* Address space pointer. */
-        __u64   kernel_asce;                    /* 0x0308 */
-        __u64   user_asce;                      /* 0x0310 */
-        __u64   user_exec_asce;                 /* 0x0318 */
+        __u64   kernel_asce;                    /* 0x0310 */
+        __u64   user_asce;                      /* 0x0318 */
+        __u64   user_exec_asce;                 /* 0x0320 */
 
         /* SMP info area */
-        struct cpuid cpu_id;                    /* 0x0320 */
         __u32   cpu_nr;                         /* 0x0328 */
         __u32   softirq_pending;                /* 0x032c */
         __u64   percpu_offset;                  /* 0x0330 */
         __u64   ext_call_fast;                  /* 0x0338 */
         __u64   int_clock;                      /* 0x0340 */
-        __u64   clock_comparator;               /* 0x0348 */
-        __u64   vdso_per_cpu_data;              /* 0x0350 */
-        __u64   machine_flags;                  /* 0x0358 */
-        __u64   ftrace_func;                    /* 0x0360 */
-        __u8    pad_0x0368[0x0380-0x0368];      /* 0x0368 */
+        __u64   mcck_clock;                     /* 0x0348 */
+        __u64   clock_comparator;               /* 0x0350 */
+        __u64   vdso_per_cpu_data;              /* 0x0358 */
+        __u64   machine_flags;                  /* 0x0360 */
+        __u64   ftrace_func;                    /* 0x0368 */
+        __u64   sie_hook;                       /* 0x0370 */
+        __u64   cmf_hpp;                        /* 0x0378 */
 
         /* Interrupt response block. */
         __u8    irb[64];                        /* 0x0380 */
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index fef9b33cdd59..e2c218dc68a6 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -328,8 +328,8 @@ struct pt_regs
         psw_t psw;
         unsigned long gprs[NUM_GPRS];
         unsigned long orig_gpr2;
-        unsigned short svcnr;
         unsigned short ilc;
+        unsigned short svcnr;
 };
 #endif
 
@@ -436,6 +436,7 @@ typedef struct
 #define PTRACE_PEEKDATA_AREA          0x5003
 #define PTRACE_POKETEXT_AREA          0x5004
 #define PTRACE_POKEDATA_AREA          0x5005
+#define PTRACE_GET_LAST_BREAK         0x5006
 
 /*
  * PT_PROT definition is loosely based on hppa bsd definition in
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index 9b04b1102bbc..0eaae6260274 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -368,14 +368,12 @@ struct qdio_initialize {
 #define QDIO_FLAG_SYNC_OUTPUT           0x02
 #define QDIO_FLAG_PCI_OUT               0x10
 
-extern int qdio_initialize(struct qdio_initialize *);
 extern int qdio_allocate(struct qdio_initialize *);
 extern int qdio_establish(struct qdio_initialize *);
 extern int qdio_activate(struct ccw_device *);
 
 extern int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
                    int q_nr, unsigned int bufnr, unsigned int count);
-extern int qdio_cleanup(struct ccw_device*, int);
 extern int qdio_shutdown(struct ccw_device*, int);
 extern int qdio_free(struct ccw_device *);
 extern int qdio_get_ssqd_desc(struct ccw_device *dev, struct qdio_ssqd_desc*);
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 9ab6bd3a65d1..25e831d58e1e 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -2,7 +2,7 @@
  *  include/asm-s390/setup.h
  *
  *  S390 version
- *    Copyright IBM Corp. 1999,2006
+ *    Copyright IBM Corp. 1999,2010
  */
 
 #ifndef _ASM_S390_SETUP_H
@@ -72,6 +72,7 @@ extern unsigned int user_mode;
 #define MACHINE_FLAG_HPAGE      (1UL << 10)
 #define MACHINE_FLAG_PFMF       (1UL << 11)
 #define MACHINE_FLAG_LPAR       (1UL << 12)
+#define MACHINE_FLAG_SPP        (1UL << 13)
 
 #define MACHINE_IS_VM           (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
 #define MACHINE_IS_KVM          (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
@@ -88,6 +89,7 @@ extern unsigned int user_mode;
 #define MACHINE_HAS_MVCOS       (0)
 #define MACHINE_HAS_HPAGE       (0)
 #define MACHINE_HAS_PFMF        (0)
+#define MACHINE_HAS_SPP         (0)
 #else /* __s390x__ */
 #define MACHINE_HAS_IEEE        (1)
 #define MACHINE_HAS_CSP         (1)
@@ -97,6 +99,7 @@ extern unsigned int user_mode;
 #define MACHINE_HAS_MVCOS       (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS)
 #define MACHINE_HAS_HPAGE       (S390_lowcore.machine_flags & MACHINE_FLAG_HPAGE)
 #define MACHINE_HAS_PFMF        (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF)
+#define MACHINE_HAS_SPP         (S390_lowcore.machine_flags & MACHINE_FLAG_SPP)
 #endif /* __s390x__ */
 
 #define ZFCPDUMP_HSA_SIZE       (32UL<<20)
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index 1741c1556a4e..cef66210c846 100644
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -459,11 +459,6 @@ extern void (*_machine_power_off)(void);
 
 #define arch_align_stack(x) (x)
 
-#ifdef CONFIG_TRACE_IRQFLAGS
-extern psw_t sysc_restore_trace_psw;
-extern psw_t io_restore_trace_psw;
-#endif
-
 static inline int tprot(unsigned long addr)
 {
         int rc = -EFAULT;
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 34f0873d6525..be3d3f91d86c 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -50,6 +50,7 @@ struct thread_info {
         struct restart_block    restart_block;
         __u64                   user_timer;
         __u64                   system_timer;
+        unsigned long           last_break;     /* last breaking-event-address. */
 };
 
 /*
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index f174bdaa6b59..09d345a701dc 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -61,11 +61,15 @@ static inline unsigned long long get_clock (void)
         return clk;
 }
 
+static inline void get_clock_ext(char *clk)
+{
+        asm volatile("stcke %0" : "=Q" (*clk) : : "cc");
+}
+
 static inline unsigned long long get_clock_xt(void)
 {
         unsigned char clk[16];
-
-        asm volatile("stcke %0" : "=Q" (clk) : : "cc");
+        get_clock_ext(clk);
         return *((unsigned long long *)&clk[1]);
 }
 
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 6e7211abd950..dc8a67297d0f 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -7,8 +7,10 @@
 
 const struct cpumask *cpu_coregroup_mask(unsigned int cpu);
 
+extern unsigned char cpu_core_id[NR_CPUS];
 extern cpumask_t cpu_core_map[NR_CPUS];
 
+#define topology_core_id(cpu)           (cpu_core_id[cpu])
 #define topology_core_cpumask(cpu)      (&cpu_core_map[cpu])
 
 int topology_set_cpu_management(int fc);