Merge branch 'x86/mm' into core/percpu

Conflicts:
	arch/x86/mm/fault.c

17 files changed, 59 insertions, 11 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 3d31636cbafb..6183aeccecf1 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -17,6 +17,7 @@ config IA64
         select ACPI if (!IA64_HP_SIM)
         select PM if (!IA64_HP_SIM)
         select ARCH_SUPPORTS_MSI
+        select HAVE_UNSTABLE_SCHED_CLOCK
         select HAVE_IDE
         select HAVE_OPROFILE
         select HAVE_KPROBES
diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig
index 27eb67604c53..a109db30ce55 100644
--- a/arch/ia64/configs/generic_defconfig
+++ b/arch/ia64/configs/generic_defconfig
@@ -578,7 +578,7 @@ CONFIG_ATA_PIIX=y
 # CONFIG_SATA_SIS is not set
 # CONFIG_SATA_ULI is not set
 # CONFIG_SATA_VIA is not set
-# CONFIG_SATA_VITESSE is not set
+CONFIG_SATA_VITESSE=y
 # CONFIG_SATA_INIC162X is not set
 # CONFIG_PATA_ACPI is not set
 # CONFIG_PATA_ALI is not set
diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index a8cf19958850..a46f8395e9a5 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -220,7 +220,7 @@ ia32_syscall_table:
         data8 sys_mkdir
         data8 sys_rmdir           /* 40 */
         data8 sys_dup
-        data8 sys_pipe
+        data8 sys_ia64_pipe
         data8 compat_sys_times
         data8 sys_ni_syscall      /* old prof syscall holder */
         data8 sys32_brk           /* 45 */
diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild
index 3b25bd9dca91..ccbe8ae47a61 100644
--- a/arch/ia64/include/asm/Kbuild
+++ b/arch/ia64/include/asm/Kbuild
@@ -14,4 +14,3 @@ unifdef-y += gcc_intrin.h
 unifdef-y += intrinsics.h
 unifdef-y += perfmon.h
 unifdef-y += ustack.h
-unifdef-y += swab.h
diff --git a/arch/ia64/include/asm/byteorder.h b/arch/ia64/include/asm/byteorder.h
index 0f84c5cb703d..a8dd73558150 100644
--- a/arch/ia64/include/asm/byteorder.h
+++ b/arch/ia64/include/asm/byteorder.h
@@ -1,7 +1,6 @@
 #ifndef _ASM_IA64_BYTEORDER_H
 #define _ASM_IA64_BYTEORDER_H
 
-#include <asm/swab.h>
 #include <linux/byteorder/little_endian.h>
 
 #endif /* _ASM_IA64_BYTEORDER_H */
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index bbab7e2b0fc9..1f912d927585 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -9,6 +9,8 @@
 #include <linux/scatterlist.h>
 #include <asm/swiotlb.h>
 
+#define ARCH_HAS_DMA_GET_REQUIRED_MASK
+
 struct dma_mapping_ops {
         int             (*mapping_error)(struct device *dev,
                                          dma_addr_t dma_addr);
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 59c17e446683..fe87b2121707 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -62,6 +62,7 @@ typedef dma_addr_t ia64_mv_dma_map_single_attrs (struct device *, void *, size_t
 typedef void ia64_mv_dma_unmap_single_attrs (struct device *, dma_addr_t, size_t, int, struct dma_attrs *);
 typedef int ia64_mv_dma_map_sg_attrs (struct device *, struct scatterlist *, int, int, struct dma_attrs *);
 typedef void ia64_mv_dma_unmap_sg_attrs (struct device *, struct scatterlist *, int, int, struct dma_attrs *);
+typedef u64 ia64_mv_dma_get_required_mask (struct device *);
 
 /*
  * WARNING: The legacy I/O space is _architected_.  Platforms are
@@ -159,6 +160,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
 #  define platform_dma_sync_sg_for_device ia64_mv.dma_sync_sg_for_device
 #  define platform_dma_mapping_error            ia64_mv.dma_mapping_error
 #  define platform_dma_supported        ia64_mv.dma_supported
+#  define platform_dma_get_required_mask ia64_mv.dma_get_required_mask
 #  define platform_irq_to_vector        ia64_mv.irq_to_vector
 #  define platform_local_vector_to_irq  ia64_mv.local_vector_to_irq
 #  define platform_pci_get_legacy_mem   ia64_mv.pci_get_legacy_mem
@@ -213,6 +215,7 @@ struct ia64_machine_vector {
         ia64_mv_dma_sync_sg_for_device *dma_sync_sg_for_device;
         ia64_mv_dma_mapping_error *dma_mapping_error;
         ia64_mv_dma_supported *dma_supported;
+        ia64_mv_dma_get_required_mask *dma_get_required_mask;
         ia64_mv_irq_to_vector *irq_to_vector;
         ia64_mv_local_vector_to_irq *local_vector_to_irq;
         ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem;
@@ -263,6 +266,7 @@ struct ia64_machine_vector {
         platform_dma_sync_sg_for_device,        \
         platform_dma_mapping_error,                     \
         platform_dma_supported,                 \
+        platform_dma_get_required_mask,         \
         platform_irq_to_vector,                 \
         platform_local_vector_to_irq,           \
         platform_pci_get_legacy_mem,            \
@@ -366,6 +370,9 @@ extern void machvec_init_from_cmdline(const char *cmdline);
 #ifndef platform_dma_supported
 # define  platform_dma_supported        swiotlb_dma_supported
 #endif
+#ifndef platform_dma_get_required_mask
+# define  platform_dma_get_required_mask        ia64_dma_get_required_mask
+#endif
 #ifndef platform_irq_to_vector
 # define platform_irq_to_vector         __ia64_irq_to_vector
 #endif
diff --git a/arch/ia64/include/asm/machvec_init.h b/arch/ia64/include/asm/machvec_init.h
index ef964b286842..37a469849ab9 100644
--- a/arch/ia64/include/asm/machvec_init.h
+++ b/arch/ia64/include/asm/machvec_init.h
@@ -3,6 +3,7 @@
 
 extern ia64_mv_send_ipi_t ia64_send_ipi;
 extern ia64_mv_global_tlb_purge_t ia64_global_tlb_purge;
+extern ia64_mv_dma_get_required_mask ia64_dma_get_required_mask;
 extern ia64_mv_irq_to_vector __ia64_irq_to_vector;
 extern ia64_mv_local_vector_to_irq __ia64_local_vector_to_irq;
 extern ia64_mv_pci_get_legacy_mem_t ia64_pci_get_legacy_mem;
diff --git a/arch/ia64/include/asm/machvec_sn2.h b/arch/ia64/include/asm/machvec_sn2.h
index 781308ea7b88..f1a6e0d6dfa5 100644
--- a/arch/ia64/include/asm/machvec_sn2.h
+++ b/arch/ia64/include/asm/machvec_sn2.h
@@ -67,6 +67,7 @@ extern ia64_mv_dma_sync_single_for_device sn_dma_sync_single_for_device;
 extern ia64_mv_dma_sync_sg_for_device   sn_dma_sync_sg_for_device;
 extern ia64_mv_dma_mapping_error        sn_dma_mapping_error;
 extern ia64_mv_dma_supported            sn_dma_supported;
+extern ia64_mv_dma_get_required_mask    sn_dma_get_required_mask;
 extern ia64_mv_migrate_t                sn_migrate;
 extern ia64_mv_kernel_launch_event_t    sn_kernel_launch_event;
 extern ia64_mv_setup_msi_irq_t          sn_setup_msi_irq;
@@ -123,6 +124,7 @@ extern ia64_mv_pci_fixup_bus_t		sn_pci_fixup_bus;
 #define platform_dma_sync_sg_for_device sn_dma_sync_sg_for_device
 #define platform_dma_mapping_error              sn_dma_mapping_error
 #define platform_dma_supported          sn_dma_supported
+#define platform_dma_get_required_mask  sn_dma_get_required_mask
 #define platform_migrate                sn_migrate
 #define platform_kernel_launch_event    sn_kernel_launch_event
 #ifdef CONFIG_PCI_MSI
diff --git a/arch/ia64/include/asm/unistd.h b/arch/ia64/include/asm/unistd.h
index f791576355ad..9015979ebe0f 100644
--- a/arch/ia64/include/asm/unistd.h
+++ b/arch/ia64/include/asm/unistd.h
@@ -364,7 +364,7 @@ struct pt_regs;
 struct sigaction;
 long sys_execve(char __user *filename, char __user * __user *argv,
                            char __user * __user *envp, struct pt_regs *regs);
-asmlinkage long sys_pipe(void);
+asmlinkage long sys_ia64_pipe(void);
 asmlinkage long sys_rt_sigaction(int sig,
                                  const struct sigaction __user *act,
                                  struct sigaction __user *oact,
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index d435f4a7a96c..e5341e2c1175 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1442,7 +1442,7 @@ sys_call_table:
         data8 sys_mkdir                         // 1055
         data8 sys_rmdir
         data8 sys_dup
-        data8 sys_pipe
+        data8 sys_ia64_pipe
         data8 sys_times
         data8 ia64_brk                          // 1060
         data8 sys_setgid
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index f90be51b1123..9adac441ac9b 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -870,7 +870,7 @@ static int __kprobes pre_kprobes_handler(struct die_args *args)
                 return 1;
 
 ss_probe:
-#if !defined(CONFIG_PREEMPT) || defined(CONFIG_PM)
+#if !defined(CONFIG_PREEMPT) || defined(CONFIG_FREEZER)
         if (p->ainsn.inst_flag == INST_FLAG_BOOSTABLE && !p->post_handler) {
                 /* Boost up -- we can execute copied instructions directly */
                 ia64_psr(regs)->ri = p->ainsn.slot;
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index bcbb6d8792d3..92ed83f34036 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -154,7 +154,7 @@ out:
  * and r9) as this is faster than doing a copy_to_user().
  */
 asmlinkage long
-sys_pipe (void)
+sys_ia64_pipe (void)
 {
         struct pt_regs *regs = task_pt_regs(current);
         int fd[2];
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index ff0e7c10faa7..6db08599ebbc 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -59,6 +59,7 @@ dump (const char *str, void *vp, size_t len)
  *  (i.e. don't allow attacker to fill up logs with unaligned accesses).
  */
 int no_unaligned_warning;
+int unaligned_dump_stack;
 static int noprint_warning;
 
 /*
@@ -1371,9 +1372,12 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
                         }
                 }
         } else {
-                if (within_logging_rate_limit())
+                if (within_logging_rate_limit()) {
                         printk(KERN_WARNING "kernel unaligned access to 0x%016lx, ip=0x%016lx\n",
                                ifa, regs->cr_iip + ipsr->ri);
+                        if (unaligned_dump_stack)
+                                dump_stack();
+                }
                 set_fs(KERNEL_DS);
         }
 
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 211fcfd115f9..61f1af5c23c1 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -19,6 +19,7 @@
 #include <linux/ioport.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
+#include <linux/bootmem.h>
 
 #include <asm/machvec.h>
 #include <asm/page.h>
@@ -748,6 +749,32 @@ static void __init set_pci_cacheline_size(void)
         pci_cache_line_size = (1 << cci.pcci_line_size) / 4;
 }
 
+u64 ia64_dma_get_required_mask(struct device *dev)
+{
+        u32 low_totalram = ((max_pfn - 1) << PAGE_SHIFT);
+        u32 high_totalram = ((max_pfn - 1) >> (32 - PAGE_SHIFT));
+        u64 mask;
+
+        if (!high_totalram) {
+                /* convert to mask just covering totalram */
+                low_totalram = (1 << (fls(low_totalram) - 1));
+                low_totalram += low_totalram - 1;
+                mask = low_totalram;
+        } else {
+                high_totalram = (1 << (fls(high_totalram) - 1));
+                high_totalram += high_totalram - 1;
+                mask = (((u64)high_totalram) << 32) + 0xffffffff;
+        }
+        return mask;
+}
+EXPORT_SYMBOL_GPL(ia64_dma_get_required_mask);
+
+u64 dma_get_required_mask(struct device *dev)
+{
+        return platform_dma_get_required_mask(dev);
+}
+EXPORT_SYMBOL_GPL(dma_get_required_mask);
+
 static int __init pcibios_init(void)
 {
         set_pci_cacheline_size();
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 53ebb6484495..863f5017baae 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -356,6 +356,12 @@ int sn_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 }
 EXPORT_SYMBOL(sn_dma_mapping_error);
 
+u64 sn_dma_get_required_mask(struct device *dev)
+{
+        return DMA_64BIT_MASK;
+}
+EXPORT_SYMBOL_GPL(sn_dma_get_required_mask);
+
 char *sn_pci_get_legacy_mem(struct pci_bus *bus)
 {
         if (!SN_PCIBUS_BUSSOFT(bus))
diff --git a/arch/ia64/xen/time.c b/arch/ia64/xen/time.c
index d15a94c330fb..68d6204c3f16 100644
--- a/arch/ia64/xen/time.c
+++ b/arch/ia64/xen/time.c
@@ -129,8 +129,8 @@ consider_steal_time(unsigned long new_itm)
                 blocked = stolentick;
 
         if (stolen > 0 || blocked > 0) {
-                account_steal_time(NULL, jiffies_to_cputime(stolen));
-                account_steal_time(idle_task(cpu), jiffies_to_cputime(blocked));
+                account_steal_ticks(stolen);
+                account_idle_ticks(blocked);
                 run_local_timers();
 
                 if (rcu_pending(cpu))