Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86

* ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86: (114 commits)
  x86: delete vsyscall files during make clean
  kbuild: fix typo SRCARCH in find_sources
  x86: fix kernel rebuild due to vsyscall fallout
  .gitignore update for x86 arch
  x86: unify include/asm/debugreg_32/64.h
  x86: unify include/asm/unwind_32/64.h
  x86: unify include/asm/types_32/64.h
  x86: unify include/asm/tlb_32/64.h
  x86: unify include/asm/siginfo_32/64.h
  x86: unify include/asm/bug_32/64.h
  x86: unify include/asm/mman_32/64.h
  x86: unify include/asm/agp_32/64.h
  x86: unify include/asm/kdebug_32/64.h
  x86: unify include/asm/ioctls_32/64.h
  x86: unify include/asm/floppy_32/64.h
  x86: apply missing DMA/OOM prevention to floppy_32.h
  x86: unify include/asm/cache_32/64.h
  x86: unify include/asm/cache_32/64.h
  x86: unify include/asm/dmi_32/64.h
  x86: unify include/asm/delay_32/64.h
  ...

8 files changed, 36 insertions, 25 deletions

diff --git a/arch/x86/mm/discontig_32.c b/arch/x86/mm/discontig_32.c
index b1e45457d4ef..13893772cc48 100644
--- a/arch/x86/mm/discontig_32.c
+++ b/arch/x86/mm/discontig_32.c
@@ -103,14 +103,14 @@ extern unsigned long highend_pfn, highstart_pfn;
 
 #define LARGE_PAGE_BYTES (PTRS_PER_PTE * PAGE_SIZE)
 
-unsigned long node_remap_start_pfn[MAX_NUMNODES];
+static unsigned long node_remap_start_pfn[MAX_NUMNODES];
 unsigned long node_remap_size[MAX_NUMNODES];
-unsigned long node_remap_offset[MAX_NUMNODES];
-void *node_remap_start_vaddr[MAX_NUMNODES];
+static unsigned long node_remap_offset[MAX_NUMNODES];
+static void *node_remap_start_vaddr[MAX_NUMNODES];
 void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
 
-void *node_remap_end_vaddr[MAX_NUMNODES];
-void *node_remap_alloc_vaddr[MAX_NUMNODES];
+static void *node_remap_end_vaddr[MAX_NUMNODES];
+static void *node_remap_alloc_vaddr[MAX_NUMNODES];
 static unsigned long kva_start_pfn;
 static unsigned long kva_pages;
 /*
diff --git a/arch/x86/mm/fault_32.c b/arch/x86/mm/fault_32.c
index c686ae20fd6b..6555c3d14371 100644
--- a/arch/x86/mm/fault_32.c
+++ b/arch/x86/mm/fault_32.c
@@ -105,7 +105,7 @@ static inline unsigned long get_segment_eip(struct pt_regs *regs,
            LDT and other horrors are only used in user space. */
         if (seg & (1<<2)) {
                 /* Must lock the LDT while reading it. */
-                down(&current->mm->context.sem);
+                mutex_lock(&current->mm->context.lock);
                 desc = current->mm->context.ldt;
                 desc = (void *)desc + (seg & ~7);
         } else {
@@ -118,7 +118,7 @@ static inline unsigned long get_segment_eip(struct pt_regs *regs,
         base = get_desc_base((unsigned long *)desc);
 
         if (seg & (1<<2)) { 
-                up(&current->mm->context.sem);
+                mutex_unlock(&current->mm->context.lock);
         } else
                 put_cpu();
 
@@ -539,23 +539,22 @@ no_context:
                         printk(KERN_ALERT "BUG: unable to handle kernel paging"
                                         " request");
                 printk(" at virtual address %08lx\n",address);
-                printk(KERN_ALERT " printing eip:\n");
-                printk("%08lx\n", regs->eip);
+                printk(KERN_ALERT "printing eip: %08lx ", regs->eip);
 
                 page = read_cr3();
                 page = ((__typeof__(page) *) __va(page))[address >> PGDIR_SHIFT];
 #ifdef CONFIG_X86_PAE
-                printk(KERN_ALERT "*pdpt = %016Lx\n", page);
+                printk("*pdpt = %016Lx ", page);
                 if ((page >> PAGE_SHIFT) < max_low_pfn
                     && page & _PAGE_PRESENT) {
                         page &= PAGE_MASK;
                         page = ((__typeof__(page) *) __va(page))[(address >> PMD_SHIFT)
                                                                  & (PTRS_PER_PMD - 1)];
-                        printk(KERN_ALERT "*pde = %016Lx\n", page);
+                        printk(KERN_ALERT "*pde = %016Lx ", page);
                         page &= ~_PAGE_NX;
                 }
 #else
-                printk(KERN_ALERT "*pde = %08lx\n", page);
+                printk("*pde = %08lx ", page);
 #endif
 
                 /*
@@ -569,8 +568,10 @@ no_context:
                         page &= PAGE_MASK;
                         page = ((__typeof__(page) *) __va(page))[(address >> PAGE_SHIFT)
                                                                  & (PTRS_PER_PTE - 1)];
-                        printk(KERN_ALERT "*pte = %0*Lx\n", sizeof(page)*2, (u64)page);
+                        printk("*pte = %0*Lx ", sizeof(page)*2, (u64)page);
                 }
+
+                printk("\n");
         }
 
         tsk->thread.cr2 = address;
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 33d367a3432e..c7d19471261d 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -85,13 +85,20 @@ static pmd_t * __init one_md_table_init(pgd_t *pgd)
 static pte_t * __init one_page_table_init(pmd_t *pmd)
 {
         if (!(pmd_val(*pmd) & _PAGE_PRESENT)) {
-                pte_t *page_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
+                pte_t *page_table = NULL;
+
+#ifdef CONFIG_DEBUG_PAGEALLOC
+                page_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
+#endif
+                if (!page_table)
+                        page_table =
+                                (pte_t *)alloc_bootmem_low_pages(PAGE_SIZE);
 
                 paravirt_alloc_pt(&init_mm, __pa(page_table) >> PAGE_SHIFT);
                 set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE));
                 BUG_ON(page_table != pte_offset_kernel(pmd, 0));
         }
-        
+
         return pte_offset_kernel(pmd, 0);
 }
 
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 6da235522269..5eec5e56d07f 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -166,7 +166,7 @@ early_node_mem(int nodeid, unsigned long start, unsigned long end,
                 return __va(mem);
         ptr = __alloc_bootmem_nopanic(size,
                                 SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS));
-        if (ptr == 0) {
+        if (ptr == NULL) {
                 printk(KERN_ERR "Cannot find %lu bytes in node %d\n",
                         size, nodeid);
                 return NULL;
@@ -261,7 +261,7 @@ void __init numa_init_array(void)
            We round robin the existing nodes. */
         rr = first_node(node_online_map);
         for (i = 0; i < NR_CPUS; i++) {
-                if (cpu_to_node[i] != NUMA_NO_NODE)
+                if (cpu_to_node(i) != NUMA_NO_NODE)
                         continue;
                 numa_set_node(i, rr);
                 rr = next_node(rr, node_online_map);
@@ -543,7 +543,7 @@ __cpuinit void numa_add_cpu(int cpu)
 void __cpuinit numa_set_node(int cpu, int node)
 {
         cpu_pda(cpu)->nodenumber = node;
-        cpu_to_node[cpu] = node;
+        cpu_to_node(cpu) = node;
 }
 
 unsigned long __init numa_free_all_bootmem(void) 
diff --git a/arch/x86/mm/pageattr_32.c b/arch/x86/mm/pageattr_32.c
index 4241a74d16c8..260073c07600 100644
--- a/arch/x86/mm/pageattr_32.c
+++ b/arch/x86/mm/pageattr_32.c
@@ -70,10 +70,10 @@ static struct page *split_large_page(unsigned long address, pgprot_t prot,
 
 static void cache_flush_page(struct page *p)
 { 
-        unsigned long adr = (unsigned long)page_address(p);
+        void *adr = page_address(p);
         int i;
         for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size)
-                asm volatile("clflush (%0)" :: "r" (adr + i));
+                clflush(adr+i);
 }
 
 static void flush_kernel_map(void *arg)
diff --git a/arch/x86/mm/pageattr_64.c b/arch/x86/mm/pageattr_64.c
index 10b9809ce821..8a4f65bf956e 100644
--- a/arch/x86/mm/pageattr_64.c
+++ b/arch/x86/mm/pageattr_64.c
@@ -65,7 +65,7 @@ static void cache_flush_page(void *adr)
 {
         int i;
         for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size)
-                asm volatile("clflush (%0)" :: "r" (adr + i));
+                clflush(adr+i);
 }
 
 static void flush_kernel_map(void *arg)
@@ -148,6 +148,7 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot,
                         split = split_large_page(address, prot, ref_prot2);
                         if (!split)
                                 return -ENOMEM;
+                        pgprot_val(ref_prot2) &= ~_PAGE_NX;
                         set_pte(kpte, mk_pte(split, ref_prot2));
                         kpte_page = split;
                 }
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index ef1f6cd3ea66..be61a1d845a4 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -6,6 +6,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
+#include <linux/nmi.h>
 #include <linux/swap.h>
 #include <linux/smp.h>
 #include <linux/highmem.h>
@@ -39,6 +40,8 @@ void show_mem(void)
         for_each_online_pgdat(pgdat) {
                 pgdat_resize_lock(pgdat, &flags);
                 for (i = 0; i < pgdat->node_spanned_pages; ++i) {
+                        if (unlikely(i % MAX_ORDER_NR_PAGES == 0))
+                                touch_nmi_watchdog();
                         page = pgdat_page_nr(pgdat, i);
                         total++;
                         if (PageHighMem(page))
@@ -97,8 +100,7 @@ static void set_pte_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
         }
         pte = pte_offset_kernel(pmd, vaddr);
         if (pgprot_val(flags))
-                /* <pfn,flags> stored as-is, to permit clearing entries */
-                set_pte(pte, pfn_pte(pfn, flags));
+                set_pte_present(&init_mm, vaddr, pte, pfn_pte(pfn, flags));
         else
                 pte_clear(&init_mm, vaddr, pte);
 
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index acdf03e19146..56089ccc3949 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -431,9 +431,9 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
                         setup_node_bootmem(i, nodes[i].start, nodes[i].end);
 
         for (i = 0; i < NR_CPUS; i++) {
-                if (cpu_to_node[i] == NUMA_NO_NODE)
+                if (cpu_to_node(i) == NUMA_NO_NODE)
                         continue;
-                if (!node_isset(cpu_to_node[i], node_possible_map))
+                if (!node_isset(cpu_to_node(i), node_possible_map))
                         numa_set_node(i, NUMA_NO_NODE);
         }
         numa_init_array();