Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

12 files changed, 412 insertions, 207 deletions

diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index 86c9fe3f3e4..e1eabebaed3 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -25,6 +25,9 @@ obj-$(CONFIG_MODULES) += module.o
 obj-$(CONFIG_US3_FREQ) += us3_cpufreq.o
 obj-$(CONFIG_US2E_FREQ) += us2e_cpufreq.o
 obj-$(CONFIG_KPROBES) += kprobes.o
+obj-$(CONFIG_AUDIT) += audit.o
+obj-$(CONFIG_AUDIT)$(CONFIG_SPARC32_COMPAT) += compat_audit.o
+obj-y += $(obj-yy)
 
 ifdef CONFIG_SUNOS_EMUL
   obj-y += sys_sunos32.o sunos_ioctl32.o
diff --git a/arch/sparc64/kernel/audit.c b/arch/sparc64/kernel/audit.c
new file mode 100644
index 00000000000..aef19cc2707
--- /dev/null
+++ b/arch/sparc64/kernel/audit.c
@@ -0,0 +1,66 @@
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/audit.h>
+#include <asm/unistd.h>
+
+static unsigned dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+static unsigned read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+static unsigned write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+static unsigned chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_SPARC32_COMPAT
+	extern int sparc32_classify_syscall(unsigned);
+	if (abi == AUDIT_ARCH_SPARC)
+		return sparc32_classify_syscall(syscall);
+#endif
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 0;
+	}
+}
+
+static int __init audit_classes_init(void)
+{
+#ifdef CONFIG_SPARC32_COMPAT
+	extern __u32 sparc32_dir_class[];
+	extern __u32 sparc32_write_class[];
+	extern __u32 sparc32_read_class[];
+	extern __u32 sparc32_chattr_class[];
+	audit_register_class(AUDIT_CLASS_WRITE_32, sparc32_write_class);
+	audit_register_class(AUDIT_CLASS_READ_32, sparc32_read_class);
+	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, sparc32_dir_class);
+	audit_register_class(AUDIT_CLASS_CHATTR_32, sparc32_chattr_class);
+#endif
+	audit_register_class(AUDIT_CLASS_WRITE, write_class);
+	audit_register_class(AUDIT_CLASS_READ, read_class);
+	audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
+	audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+	return 0;
+}
+
+__initcall(audit_classes_init);
diff --git a/arch/sparc64/kernel/compat_audit.c b/arch/sparc64/kernel/compat_audit.c
new file mode 100644
index 00000000000..cca96c91b78
--- /dev/null
+++ b/arch/sparc64/kernel/compat_audit.c
@@ -0,0 +1,37 @@
+#include <asm-sparc/unistd.h>
+
+unsigned sparc32_dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+unsigned sparc32_chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+unsigned sparc32_write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+unsigned sparc32_read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+int sparc32_classify_syscall(unsigned syscall)
+{
+	switch(syscall) {
+	case __NR_open:
+		return 2;
+	case __NR_openat:
+		return 3;
+	case __NR_socketcall:
+		return 4;
+	case __NR_execve:
+		return 5;
+	default:
+		return 1;
+	}
+}
diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c
index f8ef2f2b9b3..ec10f7edcf8 100644
--- a/arch/sparc64/kernel/devices.c
+++ b/arch/sparc64/kernel/devices.c
@@ -66,9 +66,6 @@ static int check_cpu_node(struct device_node *dp, int *cur_inst,
 			  void *compare_arg,
 			  struct device_node **dev_node, int *mid)
 {
-	if (strcmp(dp->type, "cpu"))
-		return -ENODEV;
-
 	if (!compare(dp, *cur_inst, compare_arg)) {
 		if (dev_node)
 			*dev_node = dp;
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 75684b56767..c8e9dc9d68a 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -551,9 +551,10 @@ setup_trap_table:
 	save	%sp, -192, %sp
 
 	/* Force interrupts to be disabled. */
-	rdpr	%pstate, %o1
-	andn	%o1, PSTATE_IE, %o1
+	rdpr	%pstate, %l0
+	andn	%l0, PSTATE_IE, %o1
 	wrpr	%o1, 0x0, %pstate
+	rdpr	%pil, %l1
 	wrpr	%g0, 15, %pil
 
 	/* Make the firmware call to jump over to the Linux trap table.  */
@@ -622,11 +623,9 @@ setup_trap_table:
 	call	init_irqwork_curcpu
 	 nop
 
-	/* Now we can turn interrupts back on. */
-	rdpr	%pstate, %o1
-	or	%o1, PSTATE_IE, %o1
-	wrpr	%o1, 0, %pstate
-	wrpr	%g0, 0x0, %pil
+	/* Now we can restore interrupt state. */
+	wrpr	%l0, 0, %pstate
+	wrpr	%l1, 0x0, %pil
 
 	ret
 	 restore
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 169b017eec0..238bbf6de07 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -210,7 +210,7 @@ struct bus_type of_bus_type = {
 };
 EXPORT_SYMBOL(of_bus_type);
 
-static inline u64 of_read_addr(u32 *cell, int size)
+static inline u64 of_read_addr(const u32 *cell, int size)
 {
 	u64 r = 0;
 	while (size--)
@@ -236,8 +236,8 @@ struct of_bus {
 	int		(*match)(struct device_node *parent);
 	void		(*count_cells)(struct device_node *child,
 				       int *addrc, int *sizec);
-	u64		(*map)(u32 *addr, u32 *range, int na, int ns, int pna);
-	int		(*translate)(u32 *addr, u64 offset, int na);
+	int		(*map)(u32 *addr, const u32 *range,
+			       int na, int ns, int pna);
 	unsigned int	(*get_flags)(u32 *addr);
 };
 
@@ -251,27 +251,49 @@ static void of_bus_default_count_cells(struct device_node *dev,
 	get_cells(dev, addrc, sizec);
 }
 
-static u64 of_bus_default_map(u32 *addr, u32 *range, int na, int ns, int pna)
+/* Make sure the least significant 64-bits are in-range.  Even
+ * for 3 or 4 cell values it is a good enough approximation.
+ */
+static int of_out_of_range(const u32 *addr, const u32 *base,
+			   const u32 *size, int na, int ns)
 {
-	u64 cp, s, da;
+	u64 a = of_read_addr(addr, na);
+	u64 b = of_read_addr(base, na);
+
+	if (a < b)
+		return 1;
 
-	cp = of_read_addr(range, na);
-	s  = of_read_addr(range + na + pna, ns);
-	da = of_read_addr(addr, na);
+	b += of_read_addr(size, ns);
+	if (a >= b)
+		return 1;
 
-	if (da < cp || da >= (cp + s))
-		return OF_BAD_ADDR;
-	return da - cp;
+	return 0;
 }
 
-static int of_bus_default_translate(u32 *addr, u64 offset, int na)
+static int of_bus_default_map(u32 *addr, const u32 *range,
+			      int na, int ns, int pna)
 {
-	u64 a = of_read_addr(addr, na);
-	memset(addr, 0, na * 4);
-	a += offset;
-	if (na > 1)
-		addr[na - 2] = a >> 32;
-	addr[na - 1] = a & 0xffffffffu;
+	u32 result[OF_MAX_ADDR_CELLS];
+	int i;
+
+	if (ns > 2) {
+		printk("of_device: Cannot handle size cells (%d) > 2.", ns);
+		return -EINVAL;
+	}
+
+	if (of_out_of_range(addr, range, range + na + pna, na, ns))
+		return -EINVAL;
+
+	/* Start with the parent range base.  */
+	memcpy(result, range + na, pna * 4);
+
+	/* Add in the child address offset.  */
+	for (i = 0; i < na; i++)
+		result[pna - 1 - i] +=
+			(addr[na - 1 - i] -
+			 range[na - 1 - i]);
+
+	memcpy(addr, result, pna * 4);
 
 	return 0;
 }
@@ -287,7 +309,20 @@ static unsigned int of_bus_default_get_flags(u32 *addr)
 
 static int of_bus_pci_match(struct device_node *np)
 {
-	return !strcmp(np->type, "pci") || !strcmp(np->type, "pciex");
+	if (!strcmp(np->type, "pci") || !strcmp(np->type, "pciex")) {
+		/* Do not do PCI specific frobbing if the
+		 * PCI bridge lacks a ranges property.  We
+		 * want to pass it through up to the next
+		 * parent as-is, not with the PCI translate
+		 * method which chops off the top address cell.
+		 */
+		if (!of_find_property(np, "ranges", NULL))
+			return 0;
+
+		return 1;
+	}
+
+	return 0;
 }
 
 static void of_bus_pci_count_cells(struct device_node *np,
@@ -299,27 +334,32 @@ static void of_bus_pci_count_cells(struct device_node *np,
 		*sizec = 2;
 }
 
-static u64 of_bus_pci_map(u32 *addr, u32 *range, int na, int ns, int pna)
+static int of_bus_pci_map(u32 *addr, const u32 *range,
+			  int na, int ns, int pna)
 {
-	u64 cp, s, da;
+	u32 result[OF_MAX_ADDR_CELLS];
+	int i;
 
 	/* Check address type match */
 	if ((addr[0] ^ range[0]) & 0x03000000)
-		return OF_BAD_ADDR;
+		return -EINVAL;
 
-	/* Read address values, skipping high cell */
-	cp = of_read_addr(range + 1, na - 1);
-	s  = of_read_addr(range + na + pna, ns);
-	da = of_read_addr(addr + 1, na - 1);
+	if (of_out_of_range(addr + 1, range + 1, range + na + pna,
+			    na - 1, ns))
+		return -EINVAL;
 
-	if (da < cp || da >= (cp + s))
-		return OF_BAD_ADDR;
-	return da - cp;
-}
+	/* Start with the parent range base.  */
+	memcpy(result, range + na, pna * 4);
 
-static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
-{
-	return of_bus_default_translate(addr + 1, offset, na - 1);
+	/* Add in the child address offset, skipping high cell.  */
+	for (i = 0; i < na - 1; i++)
+		result[pna - 1 - i] +=
+			(addr[na - 1 - i] -
+			 range[na - 1 - i]);
+
+	memcpy(addr, result, pna * 4);
+
+	return 0;
 }
 
 static unsigned int of_bus_pci_get_flags(u32 *addr)
@@ -340,59 +380,6 @@ static unsigned int of_bus_pci_get_flags(u32 *addr)
 }
 
 /*
- * ISA bus specific translator
- */
-
-static int of_bus_isa_match(struct device_node *np)
-{
-	return !strcmp(np->name, "isa");
-}
-
-static void of_bus_isa_count_cells(struct device_node *child,
-				   int *addrc, int *sizec)
-{
-	if (addrc)
-		*addrc = 2;
-	if (sizec)
-		*sizec = 1;
-}
-
-static u64 of_bus_isa_map(u32 *addr, u32 *range, int na, int ns, int pna)
-{
-	u64 cp, s, da;
-
-	/* Check address type match */
-	if ((addr[0] ^ range[0]) & 0x00000001)
-		return OF_BAD_ADDR;
-
-	/* Read address values, skipping high cell */
-	cp = of_read_addr(range + 1, na - 1);
-	s  = of_read_addr(range + na + pna, ns);
-	da = of_read_addr(addr + 1, na - 1);
-
-	if (da < cp || da >= (cp + s))
-		return OF_BAD_ADDR;
-	return da - cp;
-}
-
-static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
-{
-	return of_bus_default_translate(addr + 1, offset, na - 1);
-}
-
-static unsigned int of_bus_isa_get_flags(u32 *addr)
-{
-	unsigned int flags = 0;
-	u32 w = addr[0];
-
-	if (w & 1)
-		flags |= IORESOURCE_IO;
-	else
-		flags |= IORESOURCE_MEM;
-	return flags;
-}
-
-/*
  * SBUS bus specific translator
  */
 
@@ -411,16 +398,11 @@ static void of_bus_sbus_count_cells(struct device_node *child,
 		*sizec = 1;
 }
 
-static u64 of_bus_sbus_map(u32 *addr, u32 *range, int na, int ns, int pna)
+static int of_bus_sbus_map(u32 *addr, const u32 *range, int na, int ns, int pna)
 {
 	return of_bus_default_map(addr, range, na, ns, pna);
 }
 
-static int of_bus_sbus_translate(u32 *addr, u64 offset, int na)
-{
-	return of_bus_default_translate(addr, offset, na);
-}
-
 static unsigned int of_bus_sbus_get_flags(u32 *addr)
 {
 	return IORESOURCE_MEM;
@@ -439,19 +421,8 @@ static struct of_bus of_busses[] = {
 		.match = of_bus_pci_match,
 		.count_cells = of_bus_pci_count_cells,
 		.map = of_bus_pci_map,
-		.translate = of_bus_pci_translate,
 		.get_flags = of_bus_pci_get_flags,
 	},
-	/* ISA */
-	{
-		.name = "isa",
-		.addr_prop_name = "reg",
-		.match = of_bus_isa_match,
-		.count_cells = of_bus_isa_count_cells,
-		.map = of_bus_isa_map,
-		.translate = of_bus_isa_translate,
-		.get_flags = of_bus_isa_get_flags,
-	},
 	/* SBUS */
 	{
 		.name = "sbus",
@@ -459,7 +430,6 @@ static struct of_bus of_busses[] = {
 		.match = of_bus_sbus_match,
 		.count_cells = of_bus_sbus_count_cells,
 		.map = of_bus_sbus_map,
-		.translate = of_bus_sbus_translate,
 		.get_flags = of_bus_sbus_get_flags,
 	},
 	/* Default */
@@ -469,7 +439,6 @@ static struct of_bus of_busses[] = {
 		.match = NULL,
 		.count_cells = of_bus_default_count_cells,
 		.map = of_bus_default_map,
-		.translate = of_bus_default_translate,
 		.get_flags = of_bus_default_get_flags,
 	},
 };
@@ -494,33 +463,62 @@ static int __init build_one_resource(struct device_node *parent,
 	u32 *ranges;
 	unsigned int rlen;
 	int rone;
-	u64 offset = OF_BAD_ADDR;
 
 	ranges = of_get_property(parent, "ranges", &rlen);
 	if (ranges == NULL || rlen == 0) {
-		offset = of_read_addr(addr, na);
-		memset(addr, 0, pna * 4);
-		goto finish;
+		u32 result[OF_MAX_ADDR_CELLS];
+		int i;
+
+		memset(result, 0, pna * 4);
+		for (i = 0; i < na; i++)
+			result[pna - 1 - i] =
+				addr[na - 1 - i];
+
+		memcpy(addr, result, pna * 4);
+		return 0;
 	}
 
 	/* Now walk through the ranges */
 	rlen /= 4;
 	rone = na + pna + ns;
 	for (; rlen >= rone; rlen -= rone, ranges += rone) {
-		offset = bus->map(addr, ranges, na, ns, pna);
-		if (offset != OF_BAD_ADDR)
-			break;
+		if (!bus->map(addr, ranges, na, ns, pna))
+			return 0;
 	}
-	if (offset == OF_BAD_ADDR)
+
+	return 1;
+}
+
+static int __init use_1to1_mapping(struct device_node *pp)
+{
+	char *model;
+
+	/* If this is on the PMU bus, don't try to translate it even
+	 * if a ranges property exists.
+	 */
+	if (!strcmp(pp->name, "pmu"))
 		return 1;
 
-	memcpy(addr, ranges + na, 4 * pna);
+	/* If we have a ranges property in the parent, use it.  */
+	if (of_find_property(pp, "ranges", NULL) != NULL)
+		return 0;
+
+	/* If the parent is the dma node of an ISA bus, pass
+	 * the translation up to the root.
+	 */
+	if (!strcmp(pp->name, "dma"))
+		return 0;
+
+	/* Similarly for Simba PCI bridges.  */
+	model = of_get_property(pp, "model", NULL);
+	if (model && !strcmp(model, "SUNW,simba"))
+		return 0;
 
-finish:
-	/* Translate it into parent bus space */
-	return pbus->translate(addr, offset, pna);
+	return 1;
 }
 
+static int of_resource_verbose;
+
 static void __init build_device_resources(struct of_device *op,
 					  struct device *parent)
 {
@@ -544,9 +542,17 @@ static void __init build_device_resources(struct of_device *op,
 	/* Convert to num-cells.  */
 	num_reg /= 4;
 
-	/* Conver to num-entries.  */
+	/* Convert to num-entries.  */
 	num_reg /= na + ns;
 
+	/* Prevent overruning the op->resources[] array.  */
+	if (num_reg > PROMREG_MAX) {
+		printk(KERN_WARNING "%s: Too many regs (%d), "
+		       "limiting to %d.\n",
+		       op->node->full_name, num_reg, PROMREG_MAX);
+		num_reg = PROMREG_MAX;
+	}
+
 	for (index = 0; index < num_reg; index++) {
 		struct resource *r = &op->resource[index];
 		u32 addr[OF_MAX_ADDR_CELLS];
@@ -564,15 +570,7 @@ static void __init build_device_resources(struct of_device *op,
 
 		memcpy(addr, reg, na * 4);
 
-		/* If the immediate parent has no ranges property to apply,
-		 * just use a 1<->1 mapping.  Unless it is the 'dma' child
-		 * of an isa bus, which must be passed up towards the root.
-		 *
-		 * Also, don't try to translate PMU bus device registers.
-		 */
-		if ((of_find_property(pp, "ranges", NULL) == NULL &&
-		     strcmp(pp->name, "dma") != 0) ||
-		    !strcmp(pp->name, "pmu")) {
+		if (use_1to1_mapping(pp)) {
 			result = of_read_addr(addr, na);
 			goto build_res;
 		}
@@ -591,7 +589,8 @@ static void __init build_device_resources(struct of_device *op,
 			pbus = of_match_bus(pp);
 			pbus->count_cells(dp, &pna, &pns);
 
-			if (build_one_resource(dp, bus, pbus, addr, dna, dns, pna))
+			if (build_one_resource(dp, bus, pbus, addr,
+					       dna, dns, pna))
 				break;
 
 			dna = pna;
@@ -601,6 +600,12 @@ static void __init build_device_resources(struct of_device *op,
 
 	build_res:
 		memset(r, 0, sizeof(*r));
+
+		if (of_resource_verbose)
+			printk("%s reg[%d] -> %lx\n",
+			       op->node->full_name, index,
+			       result);
+
 		if (result != OF_BAD_ADDR) {
 			if (tlb_type == hypervisor)
 				result &= 0x0fffffffffffffffUL;
@@ -653,8 +658,22 @@ apply_interrupt_map(struct device_node *dp, struct device_node *pp,
 	next:
 		imap += (na + 3);
 	}
-	if (i == imlen)
+	if (i == imlen) {
+		/* Psycho and Sabre PCI controllers can have 'interrupt-map'
+		 * properties that do not include the on-board device
+		 * interrupts.  Instead, the device's 'interrupts' property
+		 * is already a fully specified INO value.
+		 *
+		 * Handle this by deciding that, if we didn't get a
+		 * match in the parent's 'interrupt-map', and the
+		 * parent is an IRQ translater, then use the parent as
+		 * our IRQ controller.
+		 */
+		if (pp->irq_trans)
+			return pp;
+
 		return NULL;
+	}
 
 	*irq_p = irq;
 	cp = of_find_node_by_phandle(handle);
@@ -684,6 +703,8 @@ static unsigned int __init pci_irq_swizzle(struct device_node *dp,
 	return ret;
 }
 
+static int of_irq_verbose;
+
 static unsigned int __init build_one_device_irq(struct of_device *op,
 						struct device *parent,
 						unsigned int irq)
@@ -698,10 +719,11 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 	if (dp->irq_trans) {
 		irq = dp->irq_trans->irq_build(dp, irq,
 					       dp->irq_trans->data);
-#if 1
-		printk("%s: direct translate %x --> %x\n",
-		       dp->full_name, orig_irq, irq);
-#endif
+
+		if (of_irq_verbose)
+			printk("%s: direct translate %x --> %x\n",
+			       dp->full_name, orig_irq, irq);
+
 		return irq;
 	}
 
@@ -728,12 +750,13 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 			iret = apply_interrupt_map(dp, pp,
 						   imap, imlen, imsk,
 						   &irq);
-#if 1
-			printk("%s: Apply [%s:%x] imap --> [%s:%x]\n",
-			       op->node->full_name,
-			       pp->full_name, this_orig_irq,
-			       (iret ? iret->full_name : "NULL"), irq);
-#endif
+
+			if (of_irq_verbose)
+				printk("%s: Apply [%s:%x] imap --> [%s:%x]\n",
+				       op->node->full_name,
+				       pp->full_name, this_orig_irq,
+				       (iret ? iret->full_name : "NULL"), irq);
+
 			if (!iret)
 				break;
 
@@ -747,11 +770,13 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 				unsigned int this_orig_irq = irq;
 
 				irq = pci_irq_swizzle(dp, pp, irq);
-#if 1
-				printk("%s: PCI swizzle [%s] %x --> %x\n",
-				       op->node->full_name,
-				       pp->full_name, this_orig_irq, irq);
-#endif
+				if (of_irq_verbose)
+					printk("%s: PCI swizzle [%s] "
+					       "%x --> %x\n",
+					       op->node->full_name,
+					       pp->full_name, this_orig_irq,
+					       irq);
+
 			}
 
 			if (pp->irq_trans) {
@@ -767,10 +792,9 @@ static unsigned int __init build_one_device_irq(struct of_device *op,
 
 	irq = ip->irq_trans->irq_build(op->node, irq,
 				       ip->irq_trans->data);
-#if 1
-	printk("%s: Apply IRQ trans [%s] %x --> %x\n",
-	       op->node->full_name, ip->full_name, orig_irq, irq);
-#endif
+	if (of_irq_verbose)
+		printk("%s: Apply IRQ trans [%s] %x --> %x\n",
+		       op->node->full_name, ip->full_name, orig_irq, irq);
 
 	return irq;
 }
@@ -801,6 +825,14 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 		op->num_irqs = 0;
 	}
 
+	/* Prevent overruning the op->irqs[] array.  */
+	if (op->num_irqs > PROMINTR_MAX) {
+		printk(KERN_WARNING "%s: Too many irqs (%d), "
+		       "limiting to %d.\n",
+		       dp->full_name, op->num_irqs, PROMINTR_MAX);
+		op->num_irqs = PROMINTR_MAX;
+	}
+
 	build_device_resources(op, parent);
 	for (i = 0; i < op->num_irqs; i++)
 		op->irqs[i] = build_one_device_irq(op, parent, op->irqs[i]);
@@ -870,6 +902,20 @@ static int __init of_bus_driver_init(void)
 
 postcore_initcall(of_bus_driver_init);
 
+static int __init of_debug(char *str)
+{
+	int val = 0;
+
+	get_option(&str, &val);
+	if (val & 1)
+		of_resource_verbose = 1;
+	if (val & 2)
+		of_irq_verbose = 1;
+	return 1;
+}
+
+__setup("of_debug=", of_debug);
+
 int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
 {
 	/* initialize common driver fields */
@@ -922,9 +968,11 @@ int of_device_register(struct of_device *ofdev)
 	if (rc)
 		return rc;
 
-	device_create_file(&ofdev->dev, &dev_attr_devspec);
+	rc = device_create_file(&ofdev->dev, &dev_attr_devspec);
+	if (rc)
+		device_unregister(&ofdev->dev);
 
-	return 0;
+	return rc;
 }
 
 void of_device_unregister(struct of_device *ofdev)
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 197a7ffd57e..1ec0aab68c0 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -1099,9 +1099,6 @@ static void pbm_register_toplevel_resources(struct pci_controller_info *p,
 {
 	char *name = pbm->name;
 
-	sprintf(name, "PSYCHO%d PBM%c",
-		p->index,
-		(pbm == &p->pbm_A ? 'A' : 'B'));
 	pbm->io_space.name = pbm->mem_space.name = name;
 
 	request_resource(&ioport_resource, &pbm->io_space);
@@ -1203,12 +1200,13 @@ static void psycho_pbm_init(struct pci_controller_info *p,
 	pbm->io_space.flags = IORESOURCE_IO;
 	pbm->mem_space.end = pbm->mem_space.start + PSYCHO_MEMSPACE_SIZE;
 	pbm->mem_space.flags = IORESOURCE_MEM;
-	pbm_register_toplevel_resources(p, pbm);
 
 	pbm->parent = p;
 	pbm->prom_node = dp;
 	pbm->name = dp->full_name;
 
+	pbm_register_toplevel_resources(p, pbm);
+
 	printk("%s: PSYCHO PCI Bus Module ver[%x:%x]\n",
 	       pbm->name,
 	       pbm->chip_version, pbm->chip_revision);
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index fa484d4f241..5cc5ab63293 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -344,10 +344,12 @@ static unsigned long __psycho_onboard_imap_off[] = {
 /*0x2f*/	PSYCHO_IMAP_CE,
 /*0x30*/	PSYCHO_IMAP_A_ERR,
 /*0x31*/	PSYCHO_IMAP_B_ERR,
-/*0x32*/	PSYCHO_IMAP_PMGMT
+/*0x32*/	PSYCHO_IMAP_PMGMT,
+/*0x33*/	PSYCHO_IMAP_GFX,
+/*0x34*/	PSYCHO_IMAP_EUPA,
 };
 #define PSYCHO_ONBOARD_IRQ_BASE		0x20
-#define PSYCHO_ONBOARD_IRQ_LAST		0x32
+#define PSYCHO_ONBOARD_IRQ_LAST		0x34
 #define psycho_onboard_imap_offset(__ino) \
 	__psycho_onboard_imap_off[(__ino) - PSYCHO_ONBOARD_IRQ_BASE]
 
@@ -529,6 +531,10 @@ static unsigned long __sabre_onboard_imap_off[] = {
 /*0x2e*/	SABRE_IMAP_UE,
 /*0x2f*/	SABRE_IMAP_CE,
 /*0x30*/	SABRE_IMAP_PCIERR,
+/*0x31*/	0 /* reserved */,
+/*0x32*/	0 /* reserved */,
+/*0x33*/	SABRE_IMAP_GFX,
+/*0x34*/	SABRE_IMAP_EUPA,
 };
 #define SABRE_ONBOARD_IRQ_BASE		0x20
 #define SABRE_ONBOARD_IRQ_LAST		0x30
@@ -539,6 +545,45 @@ static unsigned long __sabre_onboard_imap_off[] = {
 	((ino & 0x20) ? (SABRE_ICLR_SCSI + (((ino) & 0x1f) << 3)) :  \
 			(SABRE_ICLR_A_SLOT0 + (((ino) & 0x1f)<<3)))
 
+static int sabre_device_needs_wsync(struct device_node *dp)
+{
+	struct device_node *parent = dp->parent;
+	char *parent_model, *parent_compat;
+
+	/* This traversal up towards the root is meant to
+	 * handle two cases:
+	 *
+	 * 1) non-PCI bus sitting under PCI, such as 'ebus'
+	 * 2) the PCI controller interrupts themselves, which
+	 *    will use the sabre_irq_build but do not need
+	 *    the DMA synchronization handling
+	 */
+	while (parent) {
+		if (!strcmp(parent->type, "pci"))
+			break;
+		parent = parent->parent;
+	}
+
+	if (!parent)
+		return 0;
+
+	parent_model = of_get_property(parent,
+				       "model", NULL);
+	if (parent_model &&
+	    (!strcmp(parent_model, "SUNW,sabre") ||
+	     !strcmp(parent_model, "SUNW,simba")))
+		return 0;
+
+	parent_compat = of_get_property(parent,
+					"compatible", NULL);
+	if (parent_compat &&
+	    (!strcmp(parent_compat, "pci108e,a000") ||
+	     !strcmp(parent_compat, "pci108e,a001")))
+		return 0;
+
+	return 1;
+}
+
 static unsigned int sabre_irq_build(struct device_node *dp,
 				    unsigned int ino,
 				    void *_data)
@@ -577,15 +622,17 @@ static unsigned int sabre_irq_build(struct device_node *dp,
 
 	virt_irq = build_irq(inofixup, iclr, imap);
 
+	/* If the parent device is a PCI<->PCI bridge other than
+	 * APB, we have to install a pre-handler to ensure that
+	 * all pending DMA is drained before the interrupt handler
+	 * is run.
+	 */
 	regs = of_get_property(dp, "reg", NULL);
-	if (regs &&
-	    ((regs->phys_hi >> 16) & 0xff) != irq_data->pci_first_busno) {
+	if (regs && sabre_device_needs_wsync(dp)) {
 		irq_install_pre_handler(virt_irq,
 					sabre_wsync_handler,
 					(void *) (long) regs->phys_hi,
-					(void *)
-					controller_regs +
-					SABRE_WRSYNC);
+					(void *) irq_data);
 	}
 
 	return virt_irq;
@@ -854,6 +901,8 @@ static unsigned long sysio_irq_offsets[] = {
 	SYSIO_IMAP_CE,
 	SYSIO_IMAP_SBERR,
 	SYSIO_IMAP_PMGMT,
+	SYSIO_IMAP_GFX,
+	SYSIO_IMAP_EUPA,
 };
 
 #undef bogon
@@ -1032,7 +1081,9 @@ static void sun4v_vdev_irq_trans_init(struct device_node *dp)
 static void irq_trans_init(struct device_node *dp)
 {
 	const char *model;
+#ifdef CONFIG_PCI
 	int i;
+#endif
 
 	model = of_get_property(dp, "model", NULL);
 	if (!model)
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index a73140466e0..958287448cf 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -16,7 +16,7 @@
 #include <asm/smp.h>
 #include <linux/user.h>
 #include <linux/a.out.h>
-#include <linux/tty.h>
+#include <linux/screen_info.h>
 #include <linux/delay.h>
 #include <linux/fs.h>
 #include <linux/seq_file.h>
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index 4173de425f0..beffc82a1e8 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -124,11 +124,6 @@ EXPORT_SYMBOL(__write_lock);
 EXPORT_SYMBOL(__write_unlock);
 EXPORT_SYMBOL(__write_trylock);
 
-#if defined(CONFIG_MCOUNT)
-extern void _mcount(void);
-EXPORT_SYMBOL(_mcount);
-#endif
-
 /* CPU online map and active count.  */
 EXPORT_SYMBOL(cpu_online_map);
 EXPORT_SYMBOL(phys_cpu_present_map);
@@ -136,6 +131,11 @@ EXPORT_SYMBOL(phys_cpu_present_map);
 EXPORT_SYMBOL(smp_call_function);
 #endif /* CONFIG_SMP */
 
+#if defined(CONFIG_MCOUNT)
+extern void _mcount(void);
+EXPORT_SYMBOL(_mcount);
+#endif
+
 EXPORT_SYMBOL(sparc64_get_clock_tick);
 
 /* semaphores */
@@ -254,7 +254,6 @@ EXPORT_SYMBOL(prom_getproperty);
 EXPORT_SYMBOL(prom_node_has_property);
 EXPORT_SYMBOL(prom_setprop);
 EXPORT_SYMBOL(saved_command_line);
-EXPORT_SYMBOL(prom_getname);
 EXPORT_SYMBOL(prom_finddevice);
 EXPORT_SYMBOL(prom_feval);
 EXPORT_SYMBOL(prom_getbool);
diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c
index 51c056df528..c608c947e6c 100644
--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -548,6 +548,26 @@ asmlinkage long sparc64_personality(unsigned long personality)
 	return ret;
 }
 
+int sparc64_mmap_check(unsigned long addr, unsigned long len,
+		unsigned long flags)
+{
+	if (test_thread_flag(TIF_32BIT)) {
+		if (len >= STACK_TOP32)
+			return -EINVAL;
+
+		if ((flags & MAP_FIXED) && addr > STACK_TOP32 - len)
+			return -EINVAL;
+	} else {
+		if (len >= VA_EXCLUDE_START)
+			return -EINVAL;
+
+		if ((flags & MAP_FIXED) && invalid_64bit_range(addr, len))
+			return -EINVAL;
+	}
+
+	return 0;
+}
+
 /* Linux version of mmap */
 asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
 	unsigned long prot, unsigned long flags, unsigned long fd,
@@ -563,27 +583,11 @@ asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
 	}
 	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
 	len = PAGE_ALIGN(len);
-	retval = -EINVAL;
-
-	if (test_thread_flag(TIF_32BIT)) {
-		if (len >= STACK_TOP32)
-			goto out_putf;
-
-		if ((flags & MAP_FIXED) && addr > STACK_TOP32 - len)
-			goto out_putf;
-	} else {
-		if (len >= VA_EXCLUDE_START)
-			goto out_putf;
-
-		if ((flags & MAP_FIXED) && invalid_64bit_range(addr, len))
-			goto out_putf;
-	}
 
 	down_write(&current->mm->mmap_sem);
 	retval = do_mmap(file, addr, len, prot, flags, off);
 	up_write(&current->mm->mmap_sem);
 
-out_putf:
 	if (file)
 		fput(file);
 out:
@@ -701,21 +705,23 @@ extern void check_pending(int signum);
 
 asmlinkage long sys_getdomainname(char __user *name, int len)
 {
-        int nlen;
-	int err = -EFAULT;
+        int nlen, err;
+
+	if (len < 0)
+		return -EINVAL;
 
  	down_read(&uts_sem);
  	
 	nlen = strlen(system_utsname.domainname) + 1;
+	err = -EINVAL;
+	if (nlen > len)
+		goto out;
 
-        if (nlen < len)
-                len = nlen;
-	if (len > __NEW_UTS_LEN)
-		goto done;
-	if (copy_to_user(name, system_utsname.domainname, len))
-		goto done;
-	err = 0;
-done:
+	err = -EFAULT;
+	if (!copy_to_user(name, system_utsname.domainname, nlen))
+		err = 0;
+
+out:
 	up_read(&uts_sem);
 	return err;
 }
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 8dcbfbffacc..094d3e35be1 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -788,12 +788,15 @@ static int __devinit clock_probe(struct of_device *op, const struct of_device_id
 	if (!regs)
 		return -ENOMEM;
 
+#ifdef CONFIG_PCI
 	if (!strcmp(model, "ds1287") ||
 	    !strcmp(model, "m5819") ||
 	    !strcmp(model, "m5819p") ||
 	    !strcmp(model, "m5823")) {
 		ds1287_regs = (unsigned long) regs;
-	} else if (model[5] == '0' && model[6] == '2') {
+	} else
+#endif
+	if (model[5] == '0' && model[6] == '2') {
 		mstk48t02_regs = regs;
 	} else if(model[5] == '0' && model[6] == '8') {
 		mstk48t08_regs = regs;
@@ -925,8 +928,6 @@ static void sparc64_start_timers(void)
 	__asm__ __volatile__("wrpr	%0, 0x0, %%pstate"
 			     : /* no outputs */
 			     : "r" (pstate));
-
-	local_irq_enable();
 }
 
 struct freq_table {