Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	include/asm-x86/statfs.h

15 files changed, 63 insertions, 40 deletions

diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index 9f0df9bd46b7..06ff1ba21465 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -8,7 +8,9 @@
 #include <asm/machvec.h>
 #include <linux/scatterlist.h>
 
-#define dma_alloc_coherent      platform_dma_alloc_coherent
+#define dma_alloc_coherent(dev, size, handle, gfp)      \
+        platform_dma_alloc_coherent(dev, size, handle, (gfp) | GFP_DMA)
+
 /* coherent mem. is cheap */
 static inline void *
 dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
index 5e0c1a6bce8d..2acb6b6543c9 100644
--- a/arch/ia64/include/asm/elf.h
+++ b/arch/ia64/include/asm/elf.h
@@ -266,4 +266,19 @@ do {									\
         }                                                               \
 } while (0)
 
+/*
+ * format for entries in the Global Offset Table
+ */
+struct got_entry {
+        uint64_t val;
+};
+
+/*
+ * Layout of the Function Descriptor
+ */
+struct fdesc {
+        uint64_t ip;
+        uint64_t gp;
+};
+
 #endif /* _ASM_IA64_ELF_H */
diff --git a/arch/ia64/include/asm/sections.h b/arch/ia64/include/asm/sections.h
index 7286e4a9fe84..1a873b36a4a1 100644
--- a/arch/ia64/include/asm/sections.h
+++ b/arch/ia64/include/asm/sections.h
@@ -6,9 +6,14 @@
  *      David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
+#include <linux/elf.h>
+#include <linux/uaccess.h>
 #include <asm-generic/sections.h>
 
 extern char __per_cpu_start[], __per_cpu_end[], __phys_per_cpu_start[];
+#ifdef  CONFIG_SMP
+extern char __cpu0_per_cpu[];
+#endif
 extern char __start___vtop_patchlist[], __end___vtop_patchlist[];
 extern char __start___rse_patchlist[], __end___rse_patchlist[];
 extern char __start___mckinley_e9_bundles[], __end___mckinley_e9_bundles[];
@@ -21,5 +26,17 @@ extern char __start_gate_brl_fsys_bubble_down_patchlist[], __end_gate_brl_fsys_b
 extern char __start_unwind[], __end_unwind[];
 extern char __start_ivt_text[], __end_ivt_text[];
 
+#undef dereference_function_descriptor
+static inline void *dereference_function_descriptor(void *ptr)
+{
+        struct fdesc *desc = ptr;
+        void *p;
+
+        if (!probe_kernel_address(&desc->ip, p))
+                ptr = p;
+        return ptr;
+}
+
+
 #endif /* _ASM_IA64_SECTIONS_H */
 
diff --git a/arch/ia64/include/asm/siginfo.h b/arch/ia64/include/asm/siginfo.h
index 9294e4b0c8bc..118d42979003 100644
--- a/arch/ia64/include/asm/siginfo.h
+++ b/arch/ia64/include/asm/siginfo.h
@@ -113,11 +113,6 @@ typedef struct siginfo {
 #undef NSIGSEGV
 #define NSIGSEGV        3
 
-/*
- * SIGTRAP si_codes
- */
-#define TRAP_BRANCH     (__SI_FAULT|3)  /* process taken branch trap */
-#define TRAP_HWBKPT     (__SI_FAULT|4)  /* hardware breakpoint or watchpoint */
 #undef NSIGTRAP
 #define NSIGTRAP        4
 
diff --git a/arch/ia64/include/asm/sn/bte.h b/arch/ia64/include/asm/sn/bte.h
index a0d214f43115..5efecf06c9a4 100644
--- a/arch/ia64/include/asm/sn/bte.h
+++ b/arch/ia64/include/asm/sn/bte.h
@@ -223,10 +223,11 @@ extern void bte_error_handler(unsigned long);
  * until the transfer is complete.  In order to get the asynch
  * version of bte_copy, you must perform this check yourself.
  */
-#define BTE_UNALIGNED_COPY(src, dest, len, mode)                        \
-        (((len & L1_CACHE_MASK) || (src & L1_CACHE_MASK) ||             \
-          (dest & L1_CACHE_MASK)) ?                                     \
-         bte_unaligned_copy(src, dest, len, mode) :                     \
+#define BTE_UNALIGNED_COPY(src, dest, len, mode)                        \
+        (((len & (L1_CACHE_BYTES - 1)) ||                               \
+          (src & (L1_CACHE_BYTES - 1)) ||                               \
+          (dest & (L1_CACHE_BYTES - 1))) ?                              \
+         bte_unaligned_copy(src, dest, len, mode) :                     \
          bte_copy(src, dest, len, mode, NULL))
 
 
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index d45f215bc8fc..51b75cea7018 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -1232,9 +1232,10 @@ efi_initialize_iomem_resources(struct resource *code_resource,
                                 if (md->attribute & EFI_MEMORY_WP) {
                                         name = "System ROM";
                                         flags |= IORESOURCE_READONLY;
-                                } else {
+                                } else if (md->attribute == EFI_MEMORY_UC)
+                                        name = "Uncached RAM";
+                                else
                                         name = "System RAM";
-                                }
                                 break;
 
                         case EFI_ACPI_MEMORY_NVS:
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 8bdea8eb62e3..66e491d8baac 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -367,16 +367,17 @@ start_ap:
         ;;
 #else
 (isAP)  br.few 2f
-        mov r20=r19
-        sub r19=r19,r18
+        movl r20=__cpu0_per_cpu
         ;;
         shr.u r18=r18,3
 1:
-        ld8 r21=[r20],8;;
-        st8[r19]=r21,8
+        ld8 r21=[r19],8;;
+        st8[r20]=r21,8
         adds r18=-1,r18;;
         cmp4.lt p7,p6=0,r18
 (p7)    br.cond.dptk.few 1b
+        mov r19=r20
+        ;;
 2:
 #endif
         tpa r19=r19
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 29aad349e0c4..aaa7d901521f 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -135,15 +135,6 @@ static const char *reloc_name[256] = {
 
 #undef N
 
-struct got_entry {
-        uint64_t val;
-};
-
-struct fdesc {
-        uint64_t ip;
-        uint64_t gp;
-};
-
 /* Opaque struct for insns, to protect against derefs. */
 struct insn;
 
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index c27d5b2c182b..de636b215677 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -616,7 +616,9 @@ setup_arch (char **cmdline_p)
                 ia64_mca_init();
 
         platform_setup(cmdline_p);
+#ifndef CONFIG_IA64_HP_SIM
         check_sal_cache_flush();
+#endif
         paging_init();
 }
 
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index bcea81e432fd..1dcbb85fc4ee 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -401,6 +401,7 @@ smp_callin (void)
         spin_lock(&vector_lock);
         /* Setup the per cpu irq handling data structures */
         __setup_vector_irq(cpuid);
+        notify_cpu_starting(cpuid);
         cpu_set(cpuid, cpu_online_map);
         per_cpu(cpu_state, cpuid) = CPU_ONLINE;
         spin_unlock(&vector_lock);
@@ -741,16 +742,14 @@ int __cpu_disable(void)
                         return -EBUSY;
         }
 
-        cpu_clear(cpu, cpu_online_map);
-
         if (migrate_platform_irqs(cpu)) {
                 cpu_set(cpu, cpu_online_map);
                 return (-EBUSY);
         }
 
         remove_siblinginfo(cpu);
-        cpu_clear(cpu, cpu_online_map);
         fixup_irqs();
+        cpu_clear(cpu, cpu_online_map);
         local_flush_tlb_all();
         cpu_clear(cpu, cpu_callin_map);
         return 0;
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index de71da811cd6..10a7d47e8510 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -215,9 +215,6 @@ SECTIONS
   /* Per-cpu data: */
   percpu : { } :percpu
   . = ALIGN(PERCPU_PAGE_SIZE);
-#ifdef  CONFIG_SMP
-  . = . + PERCPU_PAGE_SIZE;     /* cpu0 per-cpu space */
-#endif
   __phys_per_cpu_start = .;
   .data.percpu PERCPU_ADDR : AT(__phys_per_cpu_start - LOAD_OFFSET)
         {
@@ -233,6 +230,11 @@ SECTIONS
   data : { } :data
   .data : AT(ADDR(.data) - LOAD_OFFSET)
         {
+#ifdef  CONFIG_SMP
+  . = ALIGN(PERCPU_PAGE_SIZE);
+                __cpu0_per_cpu = .;
+  . = . + PERCPU_PAGE_SIZE;     /* cpu0 per-cpu space */
+#endif
                 DATA_DATA
                 *(.data1)
                 *(.gnu.linkonce.d*)
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 7a37d06376be..cd0d1a7284b7 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -38,6 +38,7 @@
 #include <asm/cacheflush.h>
 #include <asm/div64.h>
 #include <asm/tlb.h>
+#include <asm/elf.h>
 
 #include "misc.h"
 #include "vti.h"
@@ -61,12 +62,6 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
         { NULL }
 };
 
-
-struct fdesc{
-    unsigned long ip;
-    unsigned long gp;
-};
-
 static void kvm_flush_icache(unsigned long start, unsigned long len)
 {
         int l;
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index e566ff43884a..0ee085efbe29 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -163,7 +163,7 @@ per_cpu_init (void)
          * get_zeroed_page().
          */
         if (first_time) {
-                void *cpu0_data = __phys_per_cpu_start - PERCPU_PAGE_SIZE;
+                void *cpu0_data = __cpu0_per_cpu;
 
                 first_time=0;
 
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 78026aabaa7f..d8c5fcd89e5b 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -144,7 +144,7 @@ static void *per_cpu_node_setup(void *cpu_data, int node)
 
         for_each_possible_early_cpu(cpu) {
                 if (cpu == 0) {
-                        void *cpu0_data = __phys_per_cpu_start - PERCPU_PAGE_SIZE;
+                        void *cpu0_data = __cpu0_per_cpu;
                         __per_cpu_offset[cpu] = (char*)cpu0_data -
                                 __per_cpu_start;
                 } else if (node == node_cpuid[cpu].nid) {
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 529462c01570..79165122501c 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -420,8 +420,10 @@ tioca_dma_mapped(struct pci_dev *pdev, u64 paddr, size_t req_size)
                 entry = find_next_zero_bit(map, mapsize, last_entry);
         }
 
-        if (entry > mapsize)
+        if (entry > mapsize) {
+                kfree(ca_dmamap);
                 goto map_return;
+        }
 
         for (i = 0; i < entries; i++)
                 set_bit(entry + i, map);