Merge remote-tracking branch 'upstream' into next

- bring back critical fixes (esp. aa67f6096c)
 - provide an updated base for development

* upstream: (4334 commits)
  missed mnt_drop_write() in do_dentry_open()
  UBIFS: nuke pdflush from comments
  gfs2: nuke pdflush from comments
  drbd: nuke pdflush from comments
  nilfs2: nuke write_super from comments
  hfs: nuke write_super from comments
  vfs: nuke pdflush from comments
  jbd/jbd2: nuke write_super from comments
  btrfs: nuke pdflush from comments
  btrfs: nuke write_super from comments
  ext4: nuke pdflush from comments
  ext4: nuke write_super from comments
  ext3: nuke write_super from comments
  Documentation: fix the VM knobs descritpion WRT pdflush
  Documentation: get rid of write_super
  vfs: kill write_super and sync_supers
  ACPI processor: Fix tick_broadcast_mask online/offline regression
  ACPI: Only count valid srat memory structures
  ACPI: Untangle a return statement for better readability
  Linux 3.6-rc1
  ...

Signed-off-by: Avi Kivity <avi@redhat.com>

arch/ia64/Kconfig

@@ -126,6 +126,7 @@ config AUDIT_ARCH
 
 menuconfig PARAVIRT_GUEST
 	bool "Paravirtualized guest support"
+	depends on BROKEN
 	help
 	  Say Y here to get to see options related to running Linux under
 	  various hypervisors.  This option alone does not add any kernel code.
@@ -138,8 +139,6 @@ config PARAVIRT
 	bool "Enable paravirtualization code"
 	depends on PARAVIRT_GUEST
 	default y
-	bool
-	default y
 	help
 	  This changes the kernel so it can modify itself when it is run
 	  under a hypervisor, potentially improving performance significantly

arch/ia64/include/asm/atomic.h

@@ -17,8 +17,8 @@
 #include <asm/intrinsics.h>
 
 
-#define ATOMIC_INIT(i)		((atomic_t) { (i) })
-#define ATOMIC64_INIT(i)	((atomic64_t) { (i) })
+#define ATOMIC_INIT(i)		{ (i) }
+#define ATOMIC64_INIT(i)	{ (i) }
 
 #define atomic_read(v)		(*(volatile int *)&(v)->counter)
 #define atomic64_read(v)	(*(volatile long *)&(v)->counter)

arch/ia64/include/asm/machvec.h

@@ -120,7 +120,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
 # ifdef MACHVEC_PLATFORM_HEADER
 #  include MACHVEC_PLATFORM_HEADER
 # else
-#  define platform_name		ia64_mv.name
+#  define ia64_platform_name	ia64_mv.name
 #  define platform_setup	ia64_mv.setup
 #  define platform_cpu_init	ia64_mv.cpu_init
 #  define platform_irq_init	ia64_mv.irq_init

arch/ia64/include/asm/machvec_dig.h

@@ -10,7 +10,7 @@ extern ia64_mv_setup_t dig_setup;
  * platform's machvec structure.  When compiling a non-generic kernel,
  * the macros are used directly.
  */
-#define platform_name		"dig"
+#define ia64_platform_name	"dig"
 #define platform_setup		dig_setup
 
 #endif /* _ASM_IA64_MACHVEC_DIG_h */

arch/ia64/include/asm/machvec_dig_vtd.h

@@ -11,7 +11,7 @@ extern ia64_mv_dma_init			pci_iommu_alloc;
  * platform's machvec structure.  When compiling a non-generic kernel,
  * the macros are used directly.
  */
-#define platform_name				"dig_vtd"
+#define ia64_platform_name			"dig_vtd"
 #define platform_setup				dig_setup
 #define platform_dma_init			pci_iommu_alloc
 

arch/ia64/include/asm/machvec_hpsim.h

@@ -11,7 +11,7 @@ extern ia64_mv_irq_init_t hpsim_irq_init;
  * platform's machvec structure.  When compiling a non-generic kernel,
  * the macros are used directly.
  */
-#define platform_name		"hpsim"
+#define ia64_platform_name	"hpsim"
 #define platform_setup		hpsim_setup
 #define platform_irq_init	hpsim_irq_init
 

arch/ia64/include/asm/machvec_hpzx1.h

@@ -11,7 +11,7 @@ extern ia64_mv_dma_init			sba_dma_init;
  * platform's machvec structure.  When compiling a non-generic kernel,
  * the macros are used directly.
  */
-#define platform_name				"hpzx1"
+#define ia64_platform_name			"hpzx1"
 #define platform_setup				dig_setup
 #define platform_dma_init			sba_dma_init
 

arch/ia64/include/asm/machvec_hpzx1_swiotlb.h

@@ -11,7 +11,7 @@ extern ia64_mv_dma_get_ops			hwsw_dma_get_ops;
  * platform's machvec structure.  When compiling a non-generic kernel,
  * the macros are used directly.
  */
-#define platform_name				"hpzx1_swiotlb"
+#define ia64_platform_name			"hpzx1_swiotlb"
 #define platform_setup				dig_setup
 #define platform_dma_init			machvec_noop
 #define platform_dma_get_ops			hwsw_dma_get_ops

arch/ia64/include/asm/machvec_sn2.h

@@ -71,7 +71,7 @@ extern ia64_mv_pci_fixup_bus_t		sn_pci_fixup_bus;
  * platform's machvec structure.  When compiling a non-generic kernel,
  * the macros are used directly.
  */
-#define platform_name			"sn2"
+#define ia64_platform_name		"sn2"
 #define platform_setup			sn_setup
 #define platform_cpu_init		sn_cpu_init
 #define platform_irq_init		sn_irq_init

arch/ia64/include/asm/machvec_uv.h

@@ -20,7 +20,7 @@ extern ia64_mv_setup_t uv_setup;
  * platform's machvec structure.  When compiling a non-generic kernel,
  * the macros are used directly.
  */
-#define platform_name			"uv"
+#define ia64_platform_name		"uv"
 #define platform_setup			uv_setup
 
 #endif /* _ASM_IA64_MACHVEC_UV_H */

arch/ia64/include/asm/machvec_xen.h

@@ -13,7 +13,7 @@ extern ia64_mv_send_ipi_t		xen_platform_send_ipi;
  * platform's machvec structure.  When compiling a non-generic kernel,
  * the macros are used directly.
  */
-#define platform_name				"xen"
+#define ia64_platform_name			"xen"
 #define platform_setup				dig_setup
 #define platform_cpu_init			xen_cpu_init
 #define platform_irq_init			xen_irq_init

arch/ia64/include/asm/processor.h

@@ -719,7 +719,7 @@ enum idle_boot_override {IDLE_NO_OVERRIDE=0, IDLE_HALT, IDLE_FORCE_MWAIT,
 
 void default_idle(void);
 
-#define ia64_platform_is(x) (strcmp(x, platform_name) == 0)
+#define ia64_platform_is(x) (strcmp(x, ia64_platform_name) == 0)
 
 #endif /* !__ASSEMBLY__ */
 

arch/ia64/kernel/acpi.c

@@ -497,7 +497,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
 	srat_num_cpus++;
 }
 
-void __init
+int __init
 acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 {
 	unsigned long paddr, size;
@@ -512,7 +512,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 
 	/* Ignore disabled entries */
 	if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
-		return;
+		return -1;
 
 	/* record this node in proximity bitmap */
 	pxm_bit_set(pxm);
@@ -531,6 +531,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 	p->size = size;
 	p->nid = pxm;
 	num_node_memblks++;
+	return 0;
 }
 
 void __init acpi_numa_arch_fixup(void)

arch/ia64/kernel/irq_ia64.c

@@ -23,7 +23,6 @@
 #include <linux/ioport.h>
 #include <linux/kernel_stat.h>
 #include <linux/ptrace.h>
-#include <linux/random.h>	/* for rand_initialize_irq() */
 #include <linux/signal.h>
 #include <linux/smp.h>
 #include <linux/threads.h>

arch/ia64/kernel/perfmon.c

@@ -2353,7 +2353,6 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t
 	 */
 	insert_vm_struct(mm, vma);
 
-	mm->total_vm  += size >> PAGE_SHIFT;
 	vm_stat_account(vma->vm_mm, vma->vm_flags, vma->vm_file,
 							vma_pages(vma));
 	up_write(&task->mm->mmap_sem);

arch/ia64/kvm/Kconfig

@@ -23,6 +23,7 @@ config KVM
 	depends on HAVE_KVM && MODULES && EXPERIMENTAL
 	# for device assignment:
 	depends on PCI
+	depends on BROKEN
 	select PREEMPT_NOTIFIERS
 	select ANON_INODES
 	select HAVE_KVM_IRQCHIP

arch/ia64/pci/fixup.c

@@ -30,8 +30,8 @@ static void __devinit pci_fixup_video(struct pci_dev *pdev)
 	struct pci_bus *bus;
 	u16 config;
 
-	if ((strcmp(platform_name, "dig") != 0)
-	    && (strcmp(platform_name, "hpzx1")  != 0))
+	if ((strcmp(ia64_platform_name, "dig") != 0)
+	    && (strcmp(ia64_platform_name, "hpzx1")  != 0))
 		return;
 	/* Maybe, this machine supports legacy memory map. */