Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
  x86/xen: fix DomU boot problem
  x86: not set node to cpu_to_node if the node is not online
  x86, i387: fix ptrace leakage using init_fpu()

3 files changed, 12 insertions, 7 deletions

diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 763dfc407232..60fe80157569 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -132,7 +132,7 @@ int xfpregs_get(struct task_struct *target, const struct user_regset *regset,
         if (!cpu_has_fxsr)
                 return -ENODEV;
 
-        unlazy_fpu(target);
+        init_fpu(target);
 
         return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
                                    &target->thread.i387.fxsave, 0, -1);
@@ -147,7 +147,7 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset,
         if (!cpu_has_fxsr)
                 return -ENODEV;
 
-        unlazy_fpu(target);
+        init_fpu(target);
         set_stopped_child_used_math(target);
 
         ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
@@ -307,7 +307,7 @@ int fpregs_get(struct task_struct *target, const struct user_regset *regset,
         if (!HAVE_HWFP)
                 return fpregs_soft_get(target, regset, pos, count, kbuf, ubuf);
 
-        unlazy_fpu(target);
+        init_fpu(target);
 
         if (!cpu_has_fxsr)
                 return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
@@ -332,7 +332,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset,
         if (!HAVE_HWFP)
                 return fpregs_soft_set(target, regset, pos, count, kbuf, ubuf);
 
-        unlazy_fpu(target);
+        init_fpu(target);
         set_stopped_child_used_math(target);
 
         if (!cpu_has_fxsr)
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 59898fb0a4aa..8ccfee10f5b5 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -622,13 +622,17 @@ void __init init_cpu_to_node(void)
         int i;
 
         for (i = 0; i < NR_CPUS; i++) {
+                int node;
                 u16 apicid = x86_cpu_to_apicid_init[i];
 
                 if (apicid == BAD_APICID)
                         continue;
-                if (apicid_to_node[apicid] == NUMA_NO_NODE)
+                node = apicid_to_node[apicid];
+                if (node == NUMA_NO_NODE)
                         continue;
-                numa_set_node(i, apicid_to_node[apicid]);
+                if (!node_online(node))
+                        continue;
+                numa_set_node(i, node);
         }
 }
 
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 3bad4773a2f3..2341492bf7a0 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -38,7 +38,8 @@ char * __init xen_memory_setup(void)
         unsigned long max_pfn = xen_start_info->nr_pages;
 
         e820.nr_map = 0;
-        add_memory_region(0, PFN_PHYS(max_pfn), E820_RAM);
+        add_memory_region(0, LOWMEMSIZE(), E820_RAM);
+        add_memory_region(HIGH_MEMORY, PFN_PHYS(max_pfn)-HIGH_MEMORY, E820_RAM);
 
         return "Xen";
 }