Merge branch 'linus' into release

Conflicts:
	arch/x86/kernel/acpi/sleep.c

Signed-off-by: Len Brown <len.brown@intel.com>

24 files changed, 55 insertions, 93 deletions

diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig
index 3ded8fe62759..1d7bca0a396d 100644
--- a/arch/ia64/configs/generic_defconfig
+++ b/arch/ia64/configs/generic_defconfig
@@ -233,3 +233,4 @@ CONFIG_CRYPTO_PCBC=m
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRC_T10DIF=y
+CONFIG_MISC_DEVICES=y
diff --git a/arch/ia64/configs/gensparse_defconfig b/arch/ia64/configs/gensparse_defconfig
index 3a98b2dd58ac..b11fa880e4b6 100644
--- a/arch/ia64/configs/gensparse_defconfig
+++ b/arch/ia64/configs/gensparse_defconfig
@@ -208,3 +208,4 @@ CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_MUTEXES=y
 CONFIG_CRYPTO_MD5=y
+CONFIG_MISC_DEVICES=y
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 13633da0d3de..bff0824cf8a4 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -390,8 +390,7 @@ static void rs_unthrottle(struct tty_struct * tty)
 }
 
 
-static int rs_ioctl(struct tty_struct *tty, struct file * file,
-                    unsigned int cmd, unsigned long arg)
+static int rs_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
 {
         if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
             (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGSTRUCT) &&
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index a2e7368a0150..4336d080b241 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -12,6 +12,8 @@
 
 #define ARCH_HAS_DMA_GET_REQUIRED_MASK
 
+#define DMA_ERROR_CODE 0
+
 extern struct dma_map_ops *dma_ops;
 extern struct ia64_machine_vector ia64_mv;
 extern void set_iommu_machvec(void);
diff --git a/arch/ia64/include/asm/futex.h b/arch/ia64/include/asm/futex.h
index c7f0f062239c..8428525ddb22 100644
--- a/arch/ia64/include/asm/futex.h
+++ b/arch/ia64/include/asm/futex.h
@@ -46,7 +46,7 @@ do {									\
 } while (0)
 
 static inline int
-futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
+futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
 {
         int op = (encoded_op >> 28) & 7;
         int cmp = (encoded_op >> 24) & 15;
@@ -56,7 +56,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
         if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
                 oparg = 1 << oparg;
 
-        if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
+        if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
                 return -EFAULT;
 
         pagefault_disable();
@@ -100,23 +100,26 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
 }
 
 static inline int
-futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
+                              u32 oldval, u32 newval)
 {
-        if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
+        if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
                 return -EFAULT;
 
         {
-                register unsigned long r8 __asm ("r8");
+                register unsigned long r8 __asm ("r8") = 0;
+                unsigned long prev;
                 __asm__ __volatile__(
                         "       mf;;                                    \n"
                         "       mov ar.ccv=%3;;                         \n"
                         "[1:]   cmpxchg4.acq %0=[%1],%2,ar.ccv          \n"
                         "       .xdata4 \"__ex_table\", 1b-., 2f-.      \n"
                         "[2:]"
-                        : "=r" (r8)
+                        : "=r" (prev)
                         : "r" (uaddr), "r" (newval),
                           "rO" ((long) (unsigned) oldval)
                         : "memory");
+                *uval = prev;
                 return r8;
         }
 }
diff --git a/arch/ia64/include/asm/perfmon.h b/arch/ia64/include/asm/perfmon.h
index 7f3333dd00e4..d551183fee90 100644
--- a/arch/ia64/include/asm/perfmon.h
+++ b/arch/ia64/include/asm/perfmon.h
@@ -7,7 +7,7 @@
 #define _ASM_IA64_PERFMON_H
 
 /*
- * perfmon comamnds supported on all CPU models
+ * perfmon commands supported on all CPU models
  */
 #define PFM_WRITE_PMCS          0x01
 #define PFM_WRITE_PMDS          0x02
diff --git a/arch/ia64/include/asm/rwsem.h b/arch/ia64/include/asm/rwsem.h
index 215d5454c7d3..3027e7516d85 100644
--- a/arch/ia64/include/asm/rwsem.h
+++ b/arch/ia64/include/asm/rwsem.h
@@ -25,20 +25,8 @@
 #error "Please don't include <asm/rwsem.h> directly, use <linux/rwsem.h> instead."
 #endif
 
-#include <linux/list.h>
-#include <linux/spinlock.h>
-
 #include <asm/intrinsics.h>
 
-/*
- * the semaphore definition
- */
-struct rw_semaphore {
-        signed long             count;
-        spinlock_t              wait_lock;
-        struct list_head        wait_list;
-};
-
 #define RWSEM_UNLOCKED_VALUE            __IA64_UL_CONST(0x0000000000000000)
 #define RWSEM_ACTIVE_BIAS               (1L)
 #define RWSEM_ACTIVE_MASK               (0xffffffffL)
@@ -46,26 +34,6 @@ struct rw_semaphore {
 #define RWSEM_ACTIVE_READ_BIAS          RWSEM_ACTIVE_BIAS
 #define RWSEM_ACTIVE_WRITE_BIAS         (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)
 
-#define __RWSEM_INITIALIZER(name) \
-        { RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \
-          LIST_HEAD_INIT((name).wait_list) }
-
-#define DECLARE_RWSEM(name) \
-        struct rw_semaphore name = __RWSEM_INITIALIZER(name)
-
-extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem);
-extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem);
-extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem);
-extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem);
-
-static inline void
-init_rwsem (struct rw_semaphore *sem)
-{
-        sem->count = RWSEM_UNLOCKED_VALUE;
-        spin_lock_init(&sem->wait_lock);
-        INIT_LIST_HEAD(&sem->wait_list);
-}
-
 /*
  * lock for reading
  */
@@ -174,9 +142,4 @@ __downgrade_write (struct rw_semaphore *sem)
 #define rwsem_atomic_add(delta, sem)    atomic64_add(delta, (atomic64_t *)(&(sem)->count))
 #define rwsem_atomic_update(delta, sem) atomic64_add_return(delta, (atomic64_t *)(&(sem)->count))
 
-static inline int rwsem_is_locked(struct rw_semaphore *sem)
-{
-        return (sem->count != 0);
-}
-
 #endif /* _ASM_IA64_RWSEM_H */
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index b6a5ba2aca34..6392908e8f98 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -59,11 +59,12 @@ struct thread_info {
 #ifndef ASM_OFFSETS_C
 /* how to get the thread information struct from C */
 #define current_thread_info()   ((struct thread_info *) ((char *) current + IA64_TASK_SIZE))
-#define alloc_thread_info(tsk)  ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
+#define alloc_thread_info_node(tsk, node)       \
+                ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
 #define task_thread_info(tsk)   ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
 #else
 #define current_thread_info()   ((struct thread_info *) 0)
-#define alloc_thread_info(tsk)  ((struct thread_info *) 0)
+#define alloc_thread_info_node(tsk, node)       ((struct thread_info *) 0)
 #define task_thread_info(tsk)   ((struct thread_info *) 0)
 #endif
 #define free_thread_info(ti)    /* nothing */
@@ -84,7 +85,14 @@ struct thread_info {
 #define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET)
 
 #define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
-#define alloc_task_struct()     ((struct task_struct *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
+#define alloc_task_struct_node(node)                                            \
+({                                                                              \
+        struct page *page = alloc_pages_node(node, GFP_KERNEL | __GFP_COMP,     \
+                                             KERNEL_STACK_SIZE_ORDER);          \
+        struct task_struct *ret = page ? page_address(page) : NULL;             \
+                                                                                \
+        ret;
+})
 #define free_task_struct(tsk)   free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
 
 #endif /* !__ASSEMBLY */
diff --git a/arch/ia64/include/asm/types.h b/arch/ia64/include/asm/types.h
index 93773fd37be0..82b3939d2718 100644
--- a/arch/ia64/include/asm/types.h
+++ b/arch/ia64/include/asm/types.h
@@ -40,9 +40,6 @@ struct fnptr {
         unsigned long gp;
 };
 
-/* DMA addresses are 64-bits wide, in general.  */
-typedef u64 dma_addr_t;
-
 # endif /* __KERNEL__ */
 #endif /* !__ASSEMBLY__ */
 
diff --git a/arch/ia64/include/asm/xen/hypercall.h b/arch/ia64/include/asm/xen/hypercall.h
index 96fc62366aa4..ed28bcd5bb85 100644
--- a/arch/ia64/include/asm/xen/hypercall.h
+++ b/arch/ia64/include/asm/xen/hypercall.h
@@ -107,7 +107,7 @@ extern unsigned long __hypercall(unsigned long a1, unsigned long a2,
 static inline int
 xencomm_arch_hypercall_sched_op(int cmd, struct xencomm_handle *arg)
 {
-        return _hypercall2(int, sched_op_new, cmd, arg);
+        return _hypercall2(int, sched_op, cmd, arg);
 }
 
 static inline long
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 1753f6a30d55..80d50b83d419 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -582,6 +582,8 @@ out:
         /* Get the CPE error record and log it */
         ia64_mca_log_sal_error_record(SAL_INFO_TYPE_CPE);
 
+        local_irq_disable();
+
         return IRQ_HANDLED;
 }
 
@@ -1859,7 +1861,8 @@ ia64_mca_cpu_init(void *cpu_data)
                         data = mca_bootmem();
                         first_time = 0;
                 } else
-                        data = __get_free_pages(GFP_KERNEL, get_order(sz));
+                        data = (void *)__get_free_pages(GFP_KERNEL,
+                                                        get_order(sz));
                 if (!data)
                         panic("Could not allocate MCA memory for cpu %d\n",
                                         cpu);
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 9702fa92489e..156ad803d5b7 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -190,19 +190,10 @@ timer_interrupt (int irq, void *dev_id)
 
                 new_itm += local_cpu_data->itm_delta;
 
-                if (smp_processor_id() == time_keeper_id) {
-                        /*
-                         * Here we are in the timer irq handler. We have irqs locally
-                         * disabled, but we don't know if the timer_bh is running on
-                         * another CPU. We need to avoid to SMP race by acquiring the
-                         * xtime_lock.
-                         */
-                        write_seqlock(&xtime_lock);
-                        do_timer(1);
-                        local_cpu_data->itm_next = new_itm;
-                        write_sequnlock(&xtime_lock);
-                } else
-                        local_cpu_data->itm_next = new_itm;
+                if (smp_processor_id() == time_keeper_id)
+                        xtime_update(1);
+
+                local_cpu_data->itm_next = new_itm;
 
                 if (time_after(new_itm, ia64_get_itc()))
                         break;
@@ -222,7 +213,7 @@ skip_process_time_accounting:
                  * comfort, we increase the safety margin by
                  * intentionally dropping the next tick(s).  We do NOT
                  * update itm.next because that would force us to call
-                 * do_timer() which in turn would let our clock run
+                 * xtime_update() which in turn would let our clock run
                  * too fast (with the potentially devastating effect
                  * of losing monotony of time).
                  */
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 5a4d044dcb1c..787de4a77d82 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -198,7 +198,7 @@ SECTIONS {
 
         /* Per-cpu data: */
         . = ALIGN(PERCPU_PAGE_SIZE);
-        PERCPU_VADDR(PERCPU_ADDR, :percpu)
+        PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu)
         __phys_per_cpu_start = __per_cpu_load;
         /*
          * ensure percpu data fits
diff --git a/arch/ia64/kvm/Makefile b/arch/ia64/kvm/Makefile
index 1089b3e918ac..db3d7c5d1071 100644
--- a/arch/ia64/kvm/Makefile
+++ b/arch/ia64/kvm/Makefile
@@ -45,8 +45,8 @@ FORCE : $(obj)/$(offsets-file)
 # Makefile for Kernel-based Virtual Machine module
 #
 
-EXTRA_CFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
-EXTRA_AFLAGS += -Ivirt/kvm -Iarch/ia64/kvm/
+ccflags-y := -Ivirt/kvm -Iarch/ia64/kvm/
+asflags-y := -Ivirt/kvm -Iarch/ia64/kvm/
 
 common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \
                 coalesced_mmio.o irq_comm.o assigned-dev.o)
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 70d224d4264c..8213efe1998c 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -662,6 +662,7 @@ again:
                 goto vcpu_run_fail;
 
         srcu_read_unlock(&vcpu->kvm->srcu, idx);
+        vcpu->mode = IN_GUEST_MODE;
         kvm_guest_enter();
 
         /*
@@ -683,6 +684,7 @@ again:
          */
         barrier();
         kvm_guest_exit();
+        vcpu->mode = OUTSIDE_GUEST_MODE;
         preempt_enable();
 
         idx = srcu_read_lock(&vcpu->kvm->srcu);
diff --git a/arch/ia64/sn/kernel/Makefile b/arch/ia64/sn/kernel/Makefile
index 0591038735af..d27df1d45da7 100644
--- a/arch/ia64/sn/kernel/Makefile
+++ b/arch/ia64/sn/kernel/Makefile
@@ -7,7 +7,7 @@
 # Copyright (C) 1999,2001-2006,2008 Silicon Graphics, Inc.  All Rights Reserved.
 #
 
-EXTRA_CFLAGS += -Iarch/ia64/sn/include
+ccflags-y := -Iarch/ia64/sn/include
 
 obj-y                           += setup.o bte.o bte_error.o irq.o mca.o idle.o \
                                    huberror.o io_acpi_init.o io_common.o \
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index dbc4cbecb5ed..77db0b514fa4 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -592,7 +592,7 @@ void __cpuinit sn_cpu_init(void)
         /*
          * Don't check status. The SAL call is not supported on all PROMs
          * but a failure is harmless.
-         * Architechtuallly, cpu_init is always called twice on cpu 0. We
+         * Architecturally, cpu_init is always called twice on cpu 0. We
          * should set cpu_number on cpu 0 once.
          */
         if (cpuid == 0) {
diff --git a/arch/ia64/sn/kernel/sn2/Makefile b/arch/ia64/sn/kernel/sn2/Makefile
index 08e6565dc908..3d09108d4277 100644
--- a/arch/ia64/sn/kernel/sn2/Makefile
+++ b/arch/ia64/sn/kernel/sn2/Makefile
@@ -9,7 +9,7 @@
 # sn2 specific kernel files
 #
 
-EXTRA_CFLAGS += -Iarch/ia64/sn/include
+ccflags-y := -Iarch/ia64/sn/include
 
 obj-y += cache.o io.o ptc_deadlock.o sn2_smp.o sn_proc_fs.o \
          prominfo_proc.o timer.o timer_interrupt.o sn_hwperf.o
diff --git a/arch/ia64/sn/pci/Makefile b/arch/ia64/sn/pci/Makefile
index ad4ef34dfe26..df2a90145426 100644
--- a/arch/ia64/sn/pci/Makefile
+++ b/arch/ia64/sn/pci/Makefile
@@ -7,6 +7,6 @@
 #
 # Makefile for the sn pci general routines.
 
-EXTRA_CFLAGS += -Iarch/ia64/sn/include
+ccflags-y := -Iarch/ia64/sn/include
 
 obj-y := pci_dma.o tioca_provider.o tioce_provider.o pcibr/
diff --git a/arch/ia64/sn/pci/pcibr/Makefile b/arch/ia64/sn/pci/pcibr/Makefile
index 01192d3247dd..396bcae36309 100644
--- a/arch/ia64/sn/pci/pcibr/Makefile
+++ b/arch/ia64/sn/pci/pcibr/Makefile
@@ -7,7 +7,7 @@
 #
 # Makefile for the sn2 io routines.
 
-EXTRA_CFLAGS += -Iarch/ia64/sn/include
+ccflags-y := -Iarch/ia64/sn/include
 
 obj-y                           +=  pcibr_dma.o pcibr_reg.o \
                                     pcibr_ate.o pcibr_provider.o
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 4d4536e3b6f3..9c271be9919a 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -509,7 +509,7 @@ tioca_dma_unmap(struct pci_dev *pdev, dma_addr_t bus_addr, int dir)
  * use the GART mapped mode.
  */
 static u64
-tioca_dma_map(struct pci_dev *pdev, u64 paddr, size_t byte_count, int dma_flags)
+tioca_dma_map(struct pci_dev *pdev, unsigned long paddr, size_t byte_count, int dma_flags)
 {
         u64 mapaddr;
 
diff --git a/arch/ia64/uv/kernel/Makefile b/arch/ia64/uv/kernel/Makefile
index 8d92b4684d8e..124e441d383d 100644
--- a/arch/ia64/uv/kernel/Makefile
+++ b/arch/ia64/uv/kernel/Makefile
@@ -7,7 +7,7 @@
 # Copyright (C) 2008 Silicon Graphics, Inc.  All Rights Reserved.
 #
 
-EXTRA_CFLAGS += -Iarch/ia64/sn/include
+ccflags-y := -Iarch/ia64/sn/include
 
 obj-y                           += setup.o
 obj-$(CONFIG_IA64_GENERIC)      += machvec.o
diff --git a/arch/ia64/xen/suspend.c b/arch/ia64/xen/suspend.c
index fd66b048c6fa..419c8620945a 100644
--- a/arch/ia64/xen/suspend.c
+++ b/arch/ia64/xen/suspend.c
@@ -37,19 +37,14 @@ xen_mm_unpin_all(void)
         /* nothing */
 }
 
-void xen_pre_device_suspend(void)
-{
-        /* nothing */
-}
-
 void
-xen_pre_suspend()
+xen_arch_pre_suspend()
 {
         /* nothing */
 }
 
 void
-xen_post_suspend(int suspend_cancelled)
+xen_arch_post_suspend(int suspend_cancelled)
 {
         if (suspend_cancelled)
                 return;
diff --git a/arch/ia64/xen/time.c b/arch/ia64/xen/time.c
index c1c544513e8d..1f8244a78bee 100644
--- a/arch/ia64/xen/time.c
+++ b/arch/ia64/xen/time.c
@@ -139,14 +139,11 @@ consider_steal_time(unsigned long new_itm)
                 run_posix_cpu_timers(p);
                 delta_itm += local_cpu_data->itm_delta * (stolen + blocked);
 
-                if (cpu == time_keeper_id) {
-                        write_seqlock(&xtime_lock);
-                        do_timer(stolen + blocked);
-                        local_cpu_data->itm_next = delta_itm + new_itm;
-                        write_sequnlock(&xtime_lock);
-                } else {
-                        local_cpu_data->itm_next = delta_itm + new_itm;
-                }
+                if (cpu == time_keeper_id)
+                        xtime_update(stolen + blocked);
+
+                local_cpu_data->itm_next = delta_itm + new_itm;
+
                 per_cpu(xen_stolen_time, cpu) += NS_PER_TICK * stolen;
                 per_cpu(xen_blocked_time, cpu) += NS_PER_TICK * blocked;
         }