Merge commit 'v3.7-rc1' into stable/for-linus-3.7

* commit 'v3.7-rc1': (10892 commits)
  Linux 3.7-rc1
  x86, boot: Explicitly include autoconf.h for hostprogs
  perf: Fix UAPI fallout
  ARM: config: make sure that platforms are ordered by option string
  ARM: config: sort select statements alphanumerically
  UAPI: (Scripted) Disintegrate include/linux/byteorder
  UAPI: (Scripted) Disintegrate include/linux
  UAPI: Unexport linux/blk_types.h
  UAPI: Unexport part of linux/ppp-comp.h
  perf: Handle new rbtree implementation
  procfs: don't need a PATH_MAX allocation to hold a string representation of an int
  vfs: embed struct filename inside of names_cache allocation if possible
  audit: make audit_inode take struct filename
  vfs: make path_openat take a struct filename pointer
  vfs: turn do_path_lookup into wrapper around struct filename variant
  audit: allow audit code to satisfy getname requests from its names_list
  vfs: define struct filename and have getname() return it
  btrfs: Fix compilation with user namespace support enabled
  userns: Fix posix_acl_file_xattr_userns gid conversion
  userns: Properly print bluetooth socket uids
  ...

5 files changed, 22 insertions, 22 deletions

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 783522b66b0f..586d83812b67 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1474,6 +1474,10 @@ asmlinkage void __init xen_start_kernel(void)
                 pci_request_acs();
 
                 xen_acpi_sleep_register();
+
+                /* Avoid searching for BIOS MP tables */
+                x86_init.mpparse.find_smp_config = x86_init_noop;
+                x86_init.mpparse.get_smp_config = x86_init_uint_noop;
         }
 #ifdef CONFIG_PCI
         /* PCI BIOS service won't work from a PV guest. */
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 963cb2df636a..6226c99729b9 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -2492,8 +2492,7 @@ int xen_remap_domain_mfn_range(struct vm_area_struct *vma,
 
         prot = __pgprot(pgprot_val(prot) | _PAGE_IOMAP);
 
-        BUG_ON(!((vma->vm_flags & (VM_PFNMAP | VM_RESERVED | VM_IO)) ==
-                                (VM_PFNMAP | VM_RESERVED | VM_IO)));
+        BUG_ON(!((vma->vm_flags & (VM_PFNMAP | VM_IO)) == (VM_PFNMAP | VM_IO)));
 
         rmd.mfn = mfn;
         rmd.prot = prot;
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index b5e4d302a067..95fb2aa5927e 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -906,9 +906,6 @@ int m2p_add_override(unsigned long mfn, struct page *page,
 
                         xen_mc_issue(PARAVIRT_LAZY_MMU);
                 }
-                /* let's use dev_bus_addr to record the old mfn instead */
-                kmap_op->dev_bus_addr = page->index;
-                page->index = (unsigned long) kmap_op;
         }
         spin_lock_irqsave(&m2p_override_lock, flags);
         list_add(&page->lru,  &m2p_overrides[mfn_hash(mfn)]);
@@ -935,7 +932,8 @@ int m2p_add_override(unsigned long mfn, struct page *page,
         return 0;
 }
 EXPORT_SYMBOL_GPL(m2p_add_override);
-int m2p_remove_override(struct page *page, bool clear_pte)
+int m2p_remove_override(struct page *page,
+                struct gnttab_map_grant_ref *kmap_op)
 {
         unsigned long flags;
         unsigned long mfn;
@@ -965,10 +963,8 @@ int m2p_remove_override(struct page *page, bool clear_pte)
         WARN_ON(!PagePrivate(page));
         ClearPagePrivate(page);
 
-        if (clear_pte) {
-                struct gnttab_map_grant_ref *map_op =
-                        (struct gnttab_map_grant_ref *) page->index;
-                set_phys_to_machine(pfn, map_op->dev_bus_addr);
+        set_phys_to_machine(pfn, page->index);
+        if (kmap_op != NULL) {
                 if (!PageHighMem(page)) {
                         struct multicall_space mcs;
                         struct gnttab_unmap_grant_ref *unmap_op;
@@ -980,13 +976,13 @@ int m2p_remove_override(struct page *page, bool clear_pte)
                          * issued. In this case handle is going to -1 because
                          * it hasn't been modified yet.
                          */
-                        if (map_op->handle == -1)
+                        if (kmap_op->handle == -1)
                                 xen_mc_flush();
                         /*
-                         * Now if map_op->handle is negative it means that the
+                         * Now if kmap_op->handle is negative it means that the
                          * hypercall actually returned an error.
                          */
-                        if (map_op->handle == GNTST_general_error) {
+                        if (kmap_op->handle == GNTST_general_error) {
                                 printk(KERN_WARNING "m2p_remove_override: "
                                                 "pfn %lx mfn %lx, failed to modify kernel mappings",
                                                 pfn, mfn);
@@ -996,8 +992,8 @@ int m2p_remove_override(struct page *page, bool clear_pte)
                         mcs = xen_mc_entry(
                                         sizeof(struct gnttab_unmap_grant_ref));
                         unmap_op = mcs.args;
-                        unmap_op->host_addr = map_op->host_addr;
-                        unmap_op->handle = map_op->handle;
+                        unmap_op->host_addr = kmap_op->host_addr;
+                        unmap_op->handle = kmap_op->handle;
                         unmap_op->dev_bus_addr = 0;
 
                         MULTI_grant_table_op(mcs.mc,
@@ -1008,10 +1004,9 @@ int m2p_remove_override(struct page *page, bool clear_pte)
                         set_pte_at(&init_mm, address, ptep,
                                         pfn_pte(pfn, PAGE_KERNEL));
                         __flush_tlb_single(address);
-                        map_op->host_addr = 0;
+                        kmap_op->host_addr = 0;
                 }
-        } else
-                set_phys_to_machine(pfn, page->index);
+        }
 
         /* p2m(m2p(mfn)) == FOREIGN_FRAME(mfn): the mfn is already present
          * somewhere in this domain, even before being added to the
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 3edb320d508f..8971a26d21ab 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -17,6 +17,7 @@
 #include <asm/e820.h>
 #include <asm/setup.h>
 #include <asm/acpi.h>
+#include <asm/numa.h>
 #include <asm/xen/hypervisor.h>
 #include <asm/xen/hypercall.h>
 
@@ -562,4 +563,7 @@ void __init xen_arch_setup(void)
         disable_cpufreq();
         WARN_ON(set_pm_idle_to_default());
         fiddle_vdso();
+#ifdef CONFIG_NUMA
+        numa_off = 1;
+#endif
 }
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index f58dca7a6e52..353c50f18702 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -377,7 +377,8 @@ static int __cpuinit xen_cpu_up(unsigned int cpu, struct task_struct *idle)
                 return rc;
 
         if (num_online_cpus() == 1)
-                alternatives_smp_switch(1);
+                /* Just in case we booted with a single CPU. */
+                alternatives_enable_smp();
 
         rc = xen_smp_intr_init(cpu);
         if (rc)
@@ -424,9 +425,6 @@ static void xen_cpu_die(unsigned int cpu)
         unbind_from_irqhandler(per_cpu(xen_irq_work, cpu), NULL);
         xen_uninit_lock_cpu(cpu);
         xen_teardown_timer(cpu);
-
-        if (num_online_cpus() == 1)
-                alternatives_smp_switch(0);
 }
 
 static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */