Merge tiger.hpl.hp.com:/data1/bk/vanilla/linux-2.5

into tiger.hpl.hp.com:/data1/bk/lia64/to-linus-2.5

arch/ia64/hp/common/sba_iommu.c

@@ -1479,7 +1479,6 @@ ioc_iova_init(struct ioc *ioc)
 #ifdef FULL_VALID_PDIR
 	unsigned long index;
 #endif
-	unsigned int i;
 
 	/*
 	** Firmware programs the base and size of a "safe IOVA space"
@@ -1574,18 +1573,6 @@ ioc_iova_init(struct ioc *ioc)
 	/* Enable IOVA translation */
 	WRITE_REG(ioc->ibase | 1, ioc->ioc_hpa + IOC_IBASE);
 	READ_REG(ioc->ioc_hpa + IOC_IBASE);
-
-	/* Clear ROPE(N)_CONFIG AO bit.
-	** Disables "NT Ordering" (~= !"Relaxed Ordering")
-	** Overrides bit 1 in DMA Hint Sets.
-	** Improves netperf UDP_STREAM by ~10% for tg3 on bcm5701.
-	*/
-	for (i=0; i<(8*8); i+=8) {
-		unsigned long rope_config;
-		rope_config = READ_REG(ioc->ioc_hpa + IOC_ROPE0_CFG + i);
-		rope_config &= ~IOC_ROPE_AO;
-		WRITE_REG(rope_config, ioc->ioc_hpa + IOC_ROPE0_CFG + i);
-	}
 }
 
 static void __init
@@ -1659,26 +1646,25 @@ ioc_sac_init(struct ioc *ioc)
 static void __init
 ioc_zx1_init(struct ioc *ioc)
 {
+	unsigned long rope_config;
+	unsigned int i;
+
 	if (ioc->rev < 0x20)
 		panic(PFX "IOC 2.0 or later required for IOMMU support\n");
 
-	ioc->dma_mask = 0xFFFFFFFFFFUL;
+	/* 38 bit memory controller + extra bit for range displaced by MMIO */
+	ioc->dma_mask = (0x1UL << 39) - 1;
 
-	if (!iovp_shift) {
-		/* 64k is max iommu page size */
-		iovp_shift = min(PAGE_SHIFT, 16);
-		iovp_size = (1 << iovp_shift);
-		iovp_mask = ~(iovp_size - 1);
-	}
-}
-
-static void __init
-ioc_sx1000_init(struct ioc *ioc)
-{
-	if (!iovp_shift) {
-		iovp_shift = 12;	/* 4K for now */
-		iovp_size = (1 << iovp_shift);
-		iovp_mask = ~(iovp_size - 1);
+	/*
+	** Clear ROPE(N)_CONFIG AO bit.
+	** Disables "NT Ordering" (~= !"Relaxed Ordering")
+	** Overrides bit 1 in DMA Hint Sets.
+	** Improves netperf UDP_STREAM by ~10% for tg3 on bcm5701.
+	*/
+	for (i=0; i<(8*8); i+=8) {
+		rope_config = READ_REG(ioc->ioc_hpa + IOC_ROPE0_CFG + i);
+		rope_config &= ~IOC_ROPE_AO;
+		WRITE_REG(rope_config, ioc->ioc_hpa + IOC_ROPE0_CFG + i);
 	}
 }
 
@@ -1692,8 +1678,6 @@ struct ioc_iommu {
 
 static struct ioc_iommu ioc_iommu_info[] __initdata = {
 	{ ZX1_IOC_ID, "zx1", ioc_zx1_init },
-	{ REO_IOC_ID, "REO", ioc_sx1000_init },
-	{ SX1000_IOC_ID, "sx1000", ioc_sx1000_init },
 };
 
 static struct ioc * __init
@@ -1718,11 +1702,6 @@ ioc_init(u64 hpa, void *handle)
 	ioc->rev = READ_REG(ioc->ioc_hpa + IOC_FCLASS) & 0xFFUL;
 	ioc->dma_mask = 0xFFFFFFFFFFFFFFFFUL;	/* conservative */
 
-	if (iovp_shift) {
-		iovp_size = (1 << iovp_shift);
-		iovp_mask = ~(iovp_size - 1);
-	}
-
 	for (info = ioc_iommu_info; info < ioc_iommu_info + ARRAY_SIZE(ioc_iommu_info); info++) {
 		if (ioc->func_id == info->func_id) {
 			ioc->name = info->name;
@@ -1730,6 +1709,10 @@ ioc_init(u64 hpa, void *handle)
 				(info->init)(ioc);
 		}
 	}
+
+	iovp_size = (1 << iovp_shift);
+	iovp_mask = ~(iovp_size - 1);
+
 	DBG_INIT("%s: PAGE_SIZE %ldK, iovp_size %ldK\n", __FUNCTION__,
 		PAGE_SIZE >> 10, iovp_size >> 10);
 
@@ -1929,10 +1912,21 @@ acpi_sba_ioc_add(struct acpi_device *device)
 	 * For HWP0001, only SBA appears in ACPI namespace.  It encloses the PCI
 	 * root bridges, and its CSR space includes the IOC function.
 	 */
-	if (strncmp("HWP0001", dev_info->hardware_id.value, 7) == 0)
+	if (strncmp("HWP0001", dev_info->hardware_id.value, 7) == 0) {
 		hpa += ZX1_IOC_OFFSET;
+		/* zx1 based systems default to kernel page size iommu pages */
+		if (!iovp_shift)
+			iovp_shift = min(PAGE_SHIFT, 16);
+	}
 	ACPI_MEM_FREE(dev_info);
 
+	/*
+	 * default anything not caught above or specified on cmdline to 4k
+	 * iommu page size
+	 */
+	if (!iovp_shift)
+		iovp_shift = 12;
+
 	ioc = ioc_init(hpa, device->handle);
 	if (!ioc)
 		return 1;

arch/ia64/hp/sim/simserial.c

@@ -636,7 +636,6 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
 #ifdef SIMSERIAL_DEBUG
 		printk("rs_close: hung_up\n");
 #endif
-		MOD_DEC_USE_COUNT;
 		local_irq_restore(flags);
 		return;
 	}
@@ -661,7 +660,6 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
 		state->count = 0;
 	}
 	if (state->count) {
-		MOD_DEC_USE_COUNT;
 		local_irq_restore(flags);
 		return;
 	}
@@ -686,7 +684,6 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
 	}
 	info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
 	wake_up_interruptible(&info->close_wait);
-	MOD_DEC_USE_COUNT;
 }
 
 /*
@@ -874,17 +871,12 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
 	int			retval, line;
 	unsigned long		page;
 
-	MOD_INC_USE_COUNT;
 	line = tty->index;
-	if ((line < 0) || (line >= NR_PORTS)) {
-		MOD_DEC_USE_COUNT;
+	if ((line < 0) || (line >= NR_PORTS))
 		return -ENODEV;
-	}
 	retval = get_async_struct(line, &info);
-	if (retval) {
-		MOD_DEC_USE_COUNT;
+	if (retval)
 		return retval;
-	}
 	tty->driver_data = info;
 	info->tty = tty;
 
@@ -895,10 +887,8 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
 
 	if (!tmp_buf) {
 		page = get_zeroed_page(GFP_KERNEL);
-		if (!page) {
-			/* MOD_DEC_USE_COUNT; "info->tty" will cause this? */
+		if (!page)
 			return -ENOMEM;
-		}
 		if (tmp_buf)
 			free_page(page);
 		else
@@ -912,7 +902,6 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
 	    (info->flags & ASYNC_CLOSING)) {
 		if (info->flags & ASYNC_CLOSING)
 			interruptible_sleep_on(&info->close_wait);
-		/* MOD_DEC_USE_COUNT; "info->tty" will cause this? */
 #ifdef SERIAL_DO_RESTART
 		return ((info->flags & ASYNC_HUP_NOTIFY) ?
 			-EAGAIN : -ERESTARTSYS);
@@ -926,7 +915,6 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
 	 */
 	retval = startup(info);
 	if (retval) {
-		/* MOD_DEC_USE_COUNT; "info->tty" will cause this? */
 		return retval;
 	}
 
@@ -1042,6 +1030,7 @@ simrs_init (void)
 
 	/* Initialize the tty_driver structure */
 
+	hp_simserial_driver->owner = THIS_MODULE;
 	hp_simserial_driver->driver_name = "simserial";
 	hp_simserial_driver->name = "ttyS";
 	hp_simserial_driver->major = TTY_MAJOR;

arch/ia64/kernel/head.S

@@ -816,7 +816,7 @@ GLOBAL_ENTRY(ia64_delay_loop)
 	br.ret.sptk.many rp
 END(ia64_delay_loop)
 
-GLOBAL_ENTRY(ia64_invoke_kernel_thread_helper)
+GLOBAL_ENTRY(start_kernel_thread)
 	.prologue
 	.save rp, r0				// this is the end of the call-chain
 	.body
@@ -827,7 +827,7 @@ GLOBAL_ENTRY(ia64_invoke_kernel_thread_helper)
 	mov out0 = r8
 	br.call.sptk.many rp = sys_exit;;
 1:	br.sptk.few 1b				// not reached
-END(ia64_invoke_kernel_thread_helper)
+END(start_kernel_thread)
 
 #ifdef CONFIG_IA64_BRL_EMU
 

arch/ia64/kernel/irq_ia64.c

@@ -57,6 +57,21 @@ __u8 isa_irq_to_vector_map[16] = {
 };
 EXPORT_SYMBOL(isa_irq_to_vector_map);
 
+static inline void
+irq_enter (void)
+{
+	preempt_count() += HARDIRQ_OFFSET;
+}
+
+static inline void
+irq_exit (void)
+{
+	preempt_count() -= IRQ_EXIT_OFFSET;
+	if (!in_interrupt() && local_softirq_pending())
+		do_softirq();
+	preempt_enable_no_resched();
+}
+
 int
 ia64_alloc_vector (void)
 {

arch/ia64/kernel/mca.c

@@ -103,8 +103,6 @@ extern void			ia64_slave_init_handler (void);
 
 static ia64_mc_info_t		ia64_mc_info;
 
-extern struct hw_interrupt_type	irq_type_iosapic_level;
-
 struct ia64_mca_tlb_info ia64_mca_tlb_list[NR_CPUS];
 
 #define MAX_CPE_POLL_INTERVAL (15*60*HZ) /* 15 minutes */
@@ -1253,7 +1251,6 @@ ia64_mca_init(void)
 				if (irq_to_vector(irq) == cpev) {
 					desc = irq_descp(irq);
 					desc->status |= IRQ_PER_CPU;
-					desc->handler = &irq_type_iosapic_level;
 					setup_irq(irq, &mca_cpe_irqaction);
 				}
 			ia64_mca_register_cpev(cpev);

arch/ia64/kernel/process.c

@@ -574,8 +574,8 @@ ia64_set_personality (struct elf64_hdr *elf_ex, int ibcs2_interpreter)
 pid_t
 kernel_thread (int (*fn)(void *), void *arg, unsigned long flags)
 {
-	extern void ia64_invoke_kernel_thread_helper (void);
-	unsigned long *helper_fptr = (unsigned long *) &ia64_invoke_kernel_thread_helper;
+	extern void start_kernel_thread (void);
+	unsigned long *helper_fptr = (unsigned long *) &start_kernel_thread;
 	struct {
 		struct switch_stack sw;
 		struct pt_regs pt;

arch/ia64/kernel/sal.c

@@ -10,7 +10,6 @@
 
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/smp.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
 
@@ -21,6 +20,12 @@
 spinlock_t sal_lock __cacheline_aligned = SPIN_LOCK_UNLOCKED;
 unsigned long sal_platform_features;
 
+unsigned short sal_revision;
+unsigned short sal_version;
+
+#define SAL_MAJOR(x) ((x) >> 8)
+#define SAL_MINOR(x) ((x) & 0xff)
+
 static struct {
 	void *addr;	/* function entry point */
 	void *gpval;	/* gp value to use */
@@ -86,13 +91,98 @@ ia64_sal_handler_init (void *entry_point, void *gpval)
 	ia64_sal = (ia64_sal_handler) &pdesc;
 }
 
+static void __init
+check_versions (struct ia64_sal_systab *systab)
+{
+	sal_revision = (systab->sal_rev_major << 8) | systab->sal_rev_minor;
+	sal_version = (systab->sal_b_rev_major << 8) | systab->sal_b_rev_minor;
+
+	/* Check for broken firmware */
+	if ((sal_revision == SAL_VERSION_CODE(49, 29))
+	    && (sal_version == SAL_VERSION_CODE(49, 29)))
+	{
+		/*
+		 * Old firmware for zx2000 prototypes have this weird version number,
+		 * reset it to something sane.
+		 */
+		sal_revision = SAL_VERSION_CODE(2, 8);
+		sal_version = SAL_VERSION_CODE(0, 0);
+	}
+}
+
+static void __init
+sal_desc_entry_point (void *p)
+{
+	struct ia64_sal_desc_entry_point *ep = p;
+	ia64_pal_handler_init(__va(ep->pal_proc));
+	ia64_sal_handler_init(__va(ep->sal_proc), __va(ep->gp));
+}
+
+#ifdef CONFIG_SMP
+static void __init
+set_smp_redirect (int flag)
+{
+	if (no_int_routing)
+		smp_int_redirect &= ~flag;
+	else
+		smp_int_redirect |= flag;
+}
+#else
+#define set_smp_redirect(flag)	do { } while (0)
+#endif
+
+static void __init
+sal_desc_platform_feature (void *p)
+{
+	struct ia64_sal_desc_platform_feature *pf = p;
+	sal_platform_features = pf->feature_mask;
+
+	printk(KERN_INFO "SAL Platform features:");
+	if (!sal_platform_features) {
+		printk(" None\n");
+		return;
+	}
+
+	if (sal_platform_features & IA64_SAL_PLATFORM_FEATURE_BUS_LOCK)
+		printk(" BusLock");
+	if (sal_platform_features & IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT) {
+		printk(" IRQ_Redirection");
+		set_smp_redirect(SMP_IRQ_REDIRECTION);
+	}
+	if (sal_platform_features & IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT) {
+		printk(" IPI_Redirection");
+		set_smp_redirect(SMP_IPI_REDIRECTION);
+	}
+	if (sal_platform_features & IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT)
+		printk(" ITC_Drift");
+	printk("\n");
+}
+
+#ifdef CONFIG_SMP
+static void __init
+sal_desc_ap_wakeup (void *p)
+{
+	struct ia64_sal_desc_ap_wakeup *ap = p;
+
+	switch (ap->mechanism) {
+	case IA64_SAL_AP_EXTERNAL_INT:
+		ap_wakeup_vector = ap->vector;
+		printk(KERN_INFO "SAL: AP wakeup using external interrupt "
+				"vector 0x%lx\n", ap_wakeup_vector);
+		break;
+	default:
+		printk(KERN_ERR "SAL: AP wakeup mechanism unsupported!\n");
+		break;
+	}
+}
+#else
+static void __init sal_desc_ap_wakeup(void *p) { }
+#endif
 
 void __init
 ia64_sal_init (struct ia64_sal_systab *systab)
 {
-	unsigned long min, max;
 	char *p;
-	struct ia64_sal_desc_entry_point *ep;
 	int i;
 
 	if (!systab) {
@@ -103,85 +193,34 @@ ia64_sal_init (struct ia64_sal_systab *systab)
 	if (strncmp(systab->signature, "SST_", 4) != 0)
 		printk(KERN_ERR "bad signature in system table!");
 
-	/*
-	 * revisions are coded in BCD, so %x does the job for us
-	 */
-	printk(KERN_INFO "SAL v%x.%x: oem=%.32s, product=%.32s\n",
-	       systab->sal_rev_major, systab->sal_rev_minor,
-	       systab->oem_id, systab->product_id);
+	check_versions(systab);
 
-	min = ~0UL;
-	max = 0;
+	/* revisions are coded in BCD, so %x does the job for us */
+	printk(KERN_INFO "SAL %x.%x: %.32s %.32s%sversion %x.%x\n",
+			SAL_MAJOR(sal_revision), SAL_MINOR(sal_revision),
+			systab->oem_id, systab->product_id,
+			systab->product_id[0] ? " " : "",
+			SAL_MAJOR(sal_version), SAL_MINOR(sal_version));
 
 	p = (char *) (systab + 1);
 	for (i = 0; i < systab->entry_count; i++) {
 		/*
-		 * The first byte of each entry type contains the type descriptor.
+		 * The first byte of each entry type contains the type
+		 * descriptor.
 		 */
 		switch (*p) {
-		      case SAL_DESC_ENTRY_POINT:
-			ep = (struct ia64_sal_desc_entry_point *) p;
-			printk(KERN_INFO "SAL: entry: pal_proc=0x%lx, sal_proc=0x%lx\n",
-			       ep->pal_proc, ep->sal_proc);
-			ia64_pal_handler_init(__va(ep->pal_proc));
-			ia64_sal_handler_init(__va(ep->sal_proc), __va(ep->gp));
+		case SAL_DESC_ENTRY_POINT:
+			sal_desc_entry_point(p);
 			break;
-
-		      case SAL_DESC_PTC:
+		case SAL_DESC_PLATFORM_FEATURE:
+			sal_desc_platform_feature(p);
+			break;
+		case SAL_DESC_PTC:
 			ia64_ptc_domain_info = (ia64_sal_desc_ptc_t *)p;
 			break;
-
-		      case SAL_DESC_AP_WAKEUP:
-#ifdef CONFIG_SMP
-		      {
-			      struct ia64_sal_desc_ap_wakeup *ap = (void *) p;
-
-			      switch (ap->mechanism) {
-				    case IA64_SAL_AP_EXTERNAL_INT:
-				      ap_wakeup_vector = ap->vector;
-				      printk(KERN_INFO "SAL: AP wakeup using external interrupt "
-					     "vector 0x%lx\n", ap_wakeup_vector);
-				      break;
-
-				    default:
-				      printk(KERN_ERR "SAL: AP wakeup mechanism unsupported!\n");
-				      break;
-			      }
-			      break;
-		      }
-#endif
-		      case SAL_DESC_PLATFORM_FEATURE:
-		      {
-			      struct ia64_sal_desc_platform_feature *pf = (void *) p;
-			      sal_platform_features = pf->feature_mask;
-			      printk(KERN_INFO "SAL: Platform features ");
-
-			      if (pf->feature_mask & IA64_SAL_PLATFORM_FEATURE_BUS_LOCK)
-				      printk("BusLock ");
-			      if (pf->feature_mask & IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT) {
-				      printk("IRQ_Redirection ");
-#ifdef CONFIG_SMP
-				      if (no_int_routing)
-					      smp_int_redirect &= ~SMP_IRQ_REDIRECTION;
-				      else
-					      smp_int_redirect |= SMP_IRQ_REDIRECTION;
-#endif
-			      }
-			      if (pf->feature_mask & IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT) {
-				      printk("IPI_Redirection ");
-#ifdef CONFIG_SMP
-				      if (no_int_routing)
-					      smp_int_redirect &= ~SMP_IPI_REDIRECTION;
-				      else
-					      smp_int_redirect |= SMP_IPI_REDIRECTION;
-#endif
-			      }
-			      if (pf->feature_mask & IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT)
-				      printk("ITC_Drift ");
-			      printk("\n");
-			      break;
- 		      }
-
+		case SAL_DESC_AP_WAKEUP:
+			sal_desc_ap_wakeup(p);
+			break;
 		}
 		p += SAL_DESC_SIZE(*p);
 	}

arch/ia64/pci/pci.c

@@ -57,17 +57,16 @@ struct pci_fixup pcibios_fixups[1];
 	((u64)(seg << 24) | (u64)(bus << 16) | \
 	 (u64)(devfn << 8) | (u64)(reg))
 
-
 static int
 pci_sal_read (int seg, int bus, int devfn, int reg, int len, u32 *value)
 {
 	int result = 0;
 	u64 data = 0;
 
-	if (!value || (seg > 255) || (bus > 255) || (devfn > 255) || (reg > 255))
+	if ((seg > 255) || (bus > 255) || (devfn > 255) || (reg > 255))
 		return -EINVAL;
 
-	result = ia64_sal_pci_config_read(PCI_SAL_ADDRESS(seg, bus, devfn, reg), len, &data);
+	result = ia64_sal_pci_config_read(PCI_SAL_ADDRESS(seg, bus, devfn, reg), 0, len, &data);
 
 	*value = (u32) data;
 
@@ -80,15 +79,62 @@ pci_sal_write (int seg, int bus, int devfn, int reg, int len, u32 value)
 	if ((seg > 255) || (bus > 255) || (devfn > 255) || (reg > 255))
 		return -EINVAL;
 
-	return ia64_sal_pci_config_write(PCI_SAL_ADDRESS(seg, bus, devfn, reg), len, value);
+	return ia64_sal_pci_config_write(PCI_SAL_ADDRESS(seg, bus, devfn, reg), 0, len, value);
 }
 
-struct pci_raw_ops pci_sal_ops = {
+static struct pci_raw_ops pci_sal_ops = {
 	.read = 	pci_sal_read,
 	.write =	pci_sal_write
 };
 
-struct pci_raw_ops *raw_pci_ops = &pci_sal_ops;	/* default to SAL */
+/* SAL 3.2 adds support for extended config space. */
+
+#define PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg) \
+	((u64)(seg << 28) | (u64)(bus << 20) | \
+	 (u64)(devfn << 12) | (u64)(reg))
+
+static int
+pci_sal_ext_read (int seg, int bus, int devfn, int reg, int len, u32 *value)
+{
+	int result = 0;
+	u64 data = 0;
+
+	if ((seg > 65535) || (bus > 255) || (devfn > 255) || (reg > 4095))
+		return -EINVAL;
+
+	result = ia64_sal_pci_config_read(PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg), 1, len, &data);
+
+	*value = (u32) data;
+
+	return result;
+}
+
+static int
+pci_sal_ext_write (int seg, int bus, int devfn, int reg, int len, u32 value)
+{
+	if ((seg > 65535) || (bus > 255) || (devfn > 255) || (reg > 4095))
+		return -EINVAL;
+
+	return ia64_sal_pci_config_write(PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg), 1, len, value);
+}
+
+static struct pci_raw_ops pci_sal_ext_ops = {
+	.read = 	pci_sal_ext_read,
+	.write =	pci_sal_ext_write
+};
+
+struct pci_raw_ops *raw_pci_ops = &pci_sal_ops;	/* default to SAL < 3.2 */
+
+static int __init
+pci_set_sal_ops (void)
+{
+	if (sal_version >= SAL_VERSION_CODE(3, 2)) {
+		raw_pci_ops = &pci_sal_ext_ops;
+	}
+	return 0;
+}
+
+arch_initcall(pci_set_sal_ops);
 
 
 static int
@@ -139,7 +185,8 @@ alloc_pci_controller (int seg)
 }
 
 static int __devinit
-alloc_resource (char *name, struct resource *root, unsigned long start, unsigned long end, unsigned long flags)
+alloc_resource (char *name, struct resource *root, unsigned long start, unsigned long end,
+		unsigned long flags)
 {
 	struct resource *res;
 

drivers/char/sn_serial.c

@@ -82,7 +82,6 @@ static DECLARE_TASKLET(sn_sal_tasklet, sn_sal_tasklet_action, 0);
 static unsigned long sn_interrupt_timeout;
 
 extern u64 master_node_bedrock_address;
-
 static int sn_debug_printf(const char *fmt, ...);
 
 #undef DEBUG
@@ -105,7 +104,7 @@ struct sn_sal_ops {
 static struct sn_sal_ops *sn_func;
 
 /* Prototypes */
-static void __init sn_sal_serial_console_init(void);
+int __init sn_sal_serial_console_init(void);
 static int snt_hw_puts(const char *, int);
 static int snt_poll_getc(void);
 static int snt_poll_input_pending(void);
@@ -921,9 +920,6 @@ sn_sal_module_init(void)
 		printk(KERN_ERR "sn_serial: Unable to register tty driver\n");
 		return retval;
 	}
-#ifdef CONFIG_SGI_L1_SERIAL_CONSOLE
-	sn_sal_serial_console_init();
-#endif	/* CONFIG_SGI_L1_SERIAL_CONSOLE */
 	return 0;
 }
 
@@ -952,6 +948,7 @@ static void
 sn_sal_console_write(struct console *co, const char *s, unsigned count)
 {
 	unsigned long flags;
+	const char *s1;
 
 	BUG_ON(!sn_sal_is_asynch);
 
@@ -959,15 +956,36 @@ sn_sal_console_write(struct console *co, const char *s, unsigned count)
 	 * oops, kdb, panic, etc.  make sure they get it. */
 	if (spin_is_locked(&sn_sal_lock)) {
 		synch_flush_xmit();
+		/* Output '\r' before each '\n' */
+		while ((s1 = memchr(s, '\n', count)) != NULL) {
+			sn_func->sal_puts(s, s1 - s);
+			sn_func->sal_puts("\r\n", 2);
+			count -= s1 + 1 - s;
+			s = s1 + 1;
+		}
 		sn_func->sal_puts(s, count);
 	}
 	else if (in_interrupt()) {
 		spin_lock_irqsave(&sn_sal_lock, flags);
 		synch_flush_xmit();
 		spin_unlock_irqrestore(&sn_sal_lock, flags);
+		/* Output '\r' before each '\n' */
+		while ((s1 = memchr(s, '\n', count)) != NULL) {
+			sn_func->sal_puts(s, s1 - s);
+			sn_func->sal_puts("\r\n", 2);
+			count -= s1 + 1 - s;
+			s = s1 + 1;
+		}
 		sn_func->sal_puts(s, count);
 	}
 	else
+		/* Output '\r' before each '\n' */
+		while ((s1 = memchr(s, '\n', count)) != NULL) {
+			sn_sal_write(NULL, 0, s, s1 - s);
+			sn_sal_write(NULL, 0, "\r\n", 2);
+			count -= s1 + 1 - s;
+			s = s1 + 1;
+		}
 		sn_sal_write(NULL, 0, s, count);
 }
 
@@ -993,7 +1011,7 @@ static struct console sal_console = {
 	.index = -1
 };
 
-static void __init
+int __init
 sn_sal_serial_console_init(void)
 {
 	if (ia64_platform_is("sn2")) {
@@ -1001,6 +1019,8 @@ sn_sal_serial_console_init(void)
 		sn_debug_printf("sn_sal_serial_console_init : register console\n");
 		register_console(&sal_console);
 	}
+	return 0;
 }
+console_initcall(sn_sal_serial_console_init);
 
 #endif /* CONFIG_SGI_L1_SERIAL_CONSOLE */

include/asm-ia64/hardirq.h

@@ -2,7 +2,7 @@
 #define _ASM_IA64_HARDIRQ_H
 
 /*
- * Copyright (C) 1998-2002 Hewlett-Packard Co
+ * Modified 1998-2002, 2004 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
@@ -86,8 +86,6 @@
 #define hardirq_trylock()	(!in_interrupt())
 #define hardirq_endlock()	do { } while (0)
 
-#define irq_enter()		(preempt_count() += HARDIRQ_OFFSET)
-
 #ifdef CONFIG_PREEMPT
 # include <linux/smp_lock.h>
 # define in_atomic()		((preempt_count() & ~PREEMPT_ACTIVE) != kernel_locked())
@@ -97,14 +95,6 @@
 # define IRQ_EXIT_OFFSET HARDIRQ_OFFSET
 #endif
 
-#define irq_exit()						\
-do {								\
-		preempt_count() -= IRQ_EXIT_OFFSET;		\
-		if (!in_interrupt() && local_softirq_pending())	\
-			do_softirq();				\
-		preempt_enable_no_resched();			\
-} while (0)
-
 #ifdef CONFIG_SMP
   extern void synchronize_irq (unsigned int irq);
 #else

include/asm-ia64/sal.h

@@ -35,6 +35,7 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/bcd.h>
 #include <linux/spinlock.h>
 #include <linux/efi.h>
 
@@ -229,6 +230,10 @@ typedef struct ia64_sal_desc_ap_wakeup {
 extern ia64_sal_handler ia64_sal;
 extern struct ia64_sal_desc_ptc *ia64_ptc_domain_info;
 
+extern unsigned short sal_revision;	/* supported SAL spec revision */
+extern unsigned short sal_version;	/* SAL version; OEM dependent */
+#define SAL_VERSION_CODE(major, minor) ((BIN2BCD(major) << 8) | BIN2BCD(minor))
+
 extern const char *ia64_sal_strerror (long status);
 extern void ia64_sal_init (struct ia64_sal_systab *sal_systab);
 
@@ -741,10 +746,10 @@ ia64_sal_mc_set_params (u64 param_type, u64 i_or_m, u64 i_or_m_val, u64 timeout,
 
 /* Read from PCI configuration space */
 static inline s64
-ia64_sal_pci_config_read (u64 pci_config_addr, u64 size, u64 *value)
+ia64_sal_pci_config_read (u64 pci_config_addr, int type, u64 size, u64 *value)
 {
 	struct ia64_sal_retval isrv;
-	SAL_CALL(isrv, SAL_PCI_CONFIG_READ, pci_config_addr, size, 0, 0, 0, 0, 0);
+	SAL_CALL(isrv, SAL_PCI_CONFIG_READ, pci_config_addr, size, type, 0, 0, 0, 0);
 	if (value)
 		*value = isrv.v0;
 	return isrv.status;
@@ -752,11 +757,11 @@ ia64_sal_pci_config_read (u64 pci_config_addr, u64 size, u64 *value)
 
 /* Write to PCI configuration space */
 static inline s64
-ia64_sal_pci_config_write (u64 pci_config_addr, u64 size, u64 value)
+ia64_sal_pci_config_write (u64 pci_config_addr, int type, u64 size, u64 value)
 {
 	struct ia64_sal_retval isrv;
 	SAL_CALL(isrv, SAL_PCI_CONFIG_WRITE, pci_config_addr, size, value,
-	         0, 0, 0, 0);
+	         type, 0, 0, 0);
 	return isrv.status;
 }
 

include/asm-ia64/sn/router.h

@@ -20,6 +20,7 @@
 #include <asm/sn/vector.h>
 #include <asm/sn/slotnum.h>
 #include <asm/sn/arch.h>
+#include <asm/sn/sgi.h>
 
 typedef uint64_t	router_reg_t;
 

include/asm-ia64/unistd.h

@@ -248,6 +248,9 @@
 #define __NR_clock_nanosleep		1256
 #define __NR_fstatfs64			1257
 #define __NR_statfs64			1258
+#define __NR_reserved1			1259	/* reserved for NUMA interface */
+#define __NR_reserved2			1260	/* reserved for NUMA interface */
+#define __NR_reserved3			1261	/* reserved for NUMA interface */
 
 #ifdef __KERNEL__