Merge branch 'from-linus' into upstream

Makefile

@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 17
-EXTRAVERSION =-rc4
-NAME=Sliding Snow Leopard
+EXTRAVERSION =-rc5
+NAME=Lordi Rules
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"

arch/i386/power/cpu.c

@@ -92,7 +92,7 @@ void __restore_processor_state(struct saved_context *ctxt)
 	write_cr4(ctxt->cr4);
 	write_cr3(ctxt->cr3);
 	write_cr2(ctxt->cr2);
-	write_cr2(ctxt->cr0);
+	write_cr0(ctxt->cr0);
 
 	/*
 	 * now restore the descriptor tables to their proper values

arch/powerpc/kernel/systbl.S

@@ -338,6 +338,8 @@ SYSCALL(symlinkat)
 SYSCALL(readlinkat)
 SYSCALL(fchmodat)
 SYSCALL(faccessat)
+COMPAT_SYS(get_robust_list)
+COMPAT_SYS(set_robust_list)
 
 /*
  * please add new calls to arch/powerpc/platforms/cell/spu_callbacks.c

arch/powerpc/platforms/cell/spu_callbacks.c

@@ -258,6 +258,7 @@ void *spu_syscall_table[] = {
 	[__NR_futex]			sys_futex,
 	[__NR_sched_setaffinity]	sys_sched_setaffinity,
 	[__NR_sched_getaffinity]	sys_sched_getaffinity,
+	[224]				sys_ni_syscall,
 	[__NR_tuxcall]			sys_ni_syscall,
 	[226]				sys_ni_syscall,
 	[__NR_io_setup]			sys_io_setup,
@@ -332,19 +333,21 @@ void *spu_syscall_table[] = {
 	[__NR_readlinkat]		sys_readlinkat,
 	[__NR_fchmodat]			sys_fchmodat,
 	[__NR_faccessat]		sys_faccessat,
+	[__NR_get_robust_list]		sys_get_robust_list,
+	[__NR_set_robust_list]		sys_set_robust_list,
 };
 
 long spu_sys_callback(struct spu_syscall_block *s)
 {
 	long (*syscall)(u64 a1, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6);
 
-	syscall = spu_syscall_table[s->nr_ret];
-
 	if (s->nr_ret >= ARRAY_SIZE(spu_syscall_table)) {
 		pr_debug("%s: invalid syscall #%ld", __FUNCTION__, s->nr_ret);
 		return -ENOSYS;
 	}
 
+	syscall = spu_syscall_table[s->nr_ret];
+
 #ifdef DEBUG
 	print_symbol(KERN_DEBUG "SPU-syscall %s:", (unsigned long)syscall);
 	printk("syscall%ld(%lx, %lx, %lx, %lx, %lx, %lx)\n",

arch/s390/kernel/time.c

@@ -272,7 +272,7 @@ static inline void stop_hz_timer(void)
 	next = next_timer_interrupt();
 	do {
 		seq = read_seqbegin_irqsave(&xtime_lock, flags);
-		timer = (__u64 next) - (__u64 jiffies) + jiffies_64;
+		timer = ((__u64) next) - ((__u64) jiffies) + jiffies_64;
 	} while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
 	todval = -1ULL;
 	/* Be careful about overflows. */

arch/sparc64/kernel/pci_iommu.c

@@ -218,7 +218,7 @@ static inline void iommu_free_ctx(struct pci_iommu *iommu, int ctx)
  * DMA for PCI device PDEV.  Return non-NULL cpu-side address if
  * successful and set *DMA_ADDRP to the PCI side dma address.
  */
-static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp)
+static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp, gfp_t gfp)
 {
 	struct pcidev_cookie *pcp;
 	struct pci_iommu *iommu;
@@ -232,7 +232,7 @@ static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr
 	if (order >= 10)
 		return NULL;
 
-	first_page = __get_free_pages(GFP_ATOMIC, order);
+	first_page = __get_free_pages(gfp, order);
 	if (first_page == 0UL)
 		return NULL;
 	memset((char *)first_page, 0, PAGE_SIZE << order);

arch/sparc64/kernel/pci_sun4v.c

@@ -154,7 +154,7 @@ static void pci_arena_free(struct pci_iommu_arena *arena, unsigned long base, un
 		__clear_bit(i, arena->map);
 }
 
-static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp)
+static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp, gfp_t gfp)
 {
 	struct pcidev_cookie *pcp;
 	struct pci_iommu *iommu;
@@ -169,7 +169,7 @@ static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr
 
 	npages = size >> IO_PAGE_SHIFT;
 
-	first_page = __get_free_pages(GFP_ATOMIC, order);
+	first_page = __get_free_pages(gfp, order);
 	if (unlikely(first_page == 0UL))
 		return NULL;
 

block/ll_rw_blk.c

@@ -3452,7 +3452,12 @@ void end_that_request_last(struct request *req, int uptodate)
 	if (unlikely(laptop_mode) && blk_fs_request(req))
 		laptop_io_completion();
 
-	if (disk && blk_fs_request(req)) {
+	/*
+	 * Account IO completion.  bar_rq isn't accounted as a normal
+	 * IO on queueing nor completion.  Accounting the containing
+	 * request is enough.
+	 */
+	if (disk && blk_fs_request(req) && req != &req->q->bar_rq) {
 		unsigned long duration = jiffies - req->start_time;
 		const int rw = rq_data_dir(req);
 

drivers/char/tty_io.c

@@ -398,7 +398,7 @@ int tty_insert_flip_string_flags(struct tty_struct *tty,
 	while (unlikely(size > copied));
 	return copied;
 }
-EXPORT_SYMBOL_GPL(tty_insert_flip_string_flags);
+EXPORT_SYMBOL(tty_insert_flip_string_flags);
 
 void tty_schedule_flip(struct tty_struct *tty)
 {

drivers/infiniband/hw/ipath/ipath_driver.c

@@ -1905,19 +1905,19 @@ static void __exit infinipath_cleanup(void)
 			} else
 				ipath_dbg("irq is 0, not doing free_irq "
 					  "for unit %u\n", dd->ipath_unit);
-			dd->pcidev = NULL;
-		}
 
-		/*
-		 * we check for NULL here, because it's outside the kregbase
-		 * check, and we need to call it after the free_irq.  Thus
-		 * it's possible that the function pointers were never
-		 * initialized.
-		 */
-		if (dd->ipath_f_cleanup)
-			/* clean up chip-specific stuff */
-			dd->ipath_f_cleanup(dd);
+			/*
+			 * we check for NULL here, because it's outside
+			 * the kregbase check, and we need to call it
+			 * after the free_irq.  Thus it's possible that
+			 * the function pointers were never initialized.
+			 */
+			if (dd->ipath_f_cleanup)
+				/* clean up chip-specific stuff */
+				dd->ipath_f_cleanup(dd);
 
+			dd->pcidev = NULL;
+		}
 		spin_lock_irqsave(&ipath_devs_lock, flags);
 	}
 

drivers/infiniband/hw/ipath/ipath_eeprom.c

@@ -505,11 +505,10 @@ static u8 flash_csum(struct ipath_flash *ifp, int adjust)
  * ipath_get_guid - get the GUID from the i2c device
  * @dd: the infinipath device
  *
- * When we add the multi-chip support, we will probably have to add
- * the ability to use the number of guids field, and get the guid from
- * the first chip's flash, to use for all of them.
+ * We have the capability to use the ipath_nguid field, and get
+ * the guid from the first chip's flash, to use for all of them.
  */
-void ipath_get_guid(struct ipath_devdata *dd)
+void ipath_get_eeprom_info(struct ipath_devdata *dd)
 {
 	void *buf;
 	struct ipath_flash *ifp;

drivers/infiniband/hw/ipath/ipath_file_ops.c

@@ -139,7 +139,7 @@ static int ipath_get_base_info(struct ipath_portdata *pd,
 	kinfo->spi_piosize = dd->ipath_ibmaxlen;
 	kinfo->spi_mtu = dd->ipath_ibmaxlen;	/* maxlen, not ibmtu */
 	kinfo->spi_port = pd->port_port;
-	kinfo->spi_sw_version = IPATH_USER_SWVERSION;
+	kinfo->spi_sw_version = IPATH_KERN_SWVERSION;
 	kinfo->spi_hw_version = dd->ipath_revision;
 
 	if (copy_to_user(ubase, kinfo, sizeof(*kinfo)))
@@ -1224,6 +1224,10 @@ static unsigned int ipath_poll(struct file *fp,
 
 	if (tail == head) {
 		set_bit(IPATH_PORT_WAITING_RCV, &pd->port_flag);
+		if(dd->ipath_rhdrhead_intr_off) /* arm rcv interrupt */
+			(void)ipath_write_ureg(dd, ur_rcvhdrhead,
+					       dd->ipath_rhdrhead_intr_off
+					       | head, pd->port_port);
 		poll_wait(fp, &pd->port_wait, pt);
 
 		if (test_bit(IPATH_PORT_WAITING_RCV, &pd->port_flag)) {

drivers/infiniband/hw/ipath/ipath_ht400.c

@@ -607,7 +607,12 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
 	case 4:		/* Ponderosa is one of the bringup boards */
 		n = "Ponderosa";
 		break;
-	case 5:		/* HT-460 original production board */
+	case 5:
+		/*
+		 * HT-460 original production board; two production levels, with
+		 * different serial number ranges.   See ipath_ht_early_init() for
+		 * case where we enable IPATH_GPIO_INTR for later serial # range.
+		 */
 		n = "InfiniPath_HT-460";
 		break;
 	case 6:
@@ -642,7 +647,7 @@ static int ipath_ht_boardname(struct ipath_devdata *dd, char *name,
 	if (n)
 		snprintf(name, namelen, "%s", n);
 
-	if (dd->ipath_majrev != 3 || dd->ipath_minrev != 2) {
+	if (dd->ipath_majrev != 3 || (dd->ipath_minrev < 2 || dd->ipath_minrev > 3)) {
 		/*
 		 * This version of the driver only supports the HT-400
 		 * Rev 3.2
@@ -1520,6 +1525,18 @@ static int ipath_ht_early_init(struct ipath_devdata *dd)
 	 */
 	ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
 			 INFINIPATH_S_ABORT);
+
+	ipath_get_eeprom_info(dd);
+	if(dd->ipath_boardrev == 5 && dd->ipath_serial[0] == '1' &&
+		dd->ipath_serial[1] == '2' && dd->ipath_serial[2] == '8') {
+		/*
+		 * Later production HT-460 has same changes as HT-465, so
+		 * can use GPIO interrupts.  They have serial #'s starting
+		 * with 128, rather than 112.
+		 */
+		dd->ipath_flags |= IPATH_GPIO_INTR;
+		dd->ipath_flags &= ~IPATH_POLL_RX_INTR;
+	}
 	return 0;
 }
 

drivers/infiniband/hw/ipath/ipath_init_chip.c

@@ -879,7 +879,6 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
 
 done:
 	if (!ret) {
-		ipath_get_guid(dd);
 		*dd->ipath_statusp |= IPATH_STATUS_CHIP_PRESENT;
 		if (!dd->ipath_f_intrsetup(dd)) {
 			/* now we can enable all interrupts from the chip */

drivers/infiniband/hw/ipath/ipath_kernel.h

@@ -650,7 +650,7 @@ u32 __iomem *ipath_getpiobuf(struct ipath_devdata *, u32 *);
 void ipath_init_pe800_funcs(struct ipath_devdata *);
 /* init HT-400-specific func */
 void ipath_init_ht400_funcs(struct ipath_devdata *);
-void ipath_get_guid(struct ipath_devdata *);
+void ipath_get_eeprom_info(struct ipath_devdata *);
 u64 ipath_snap_cntr(struct ipath_devdata *, ipath_creg);
 
 /*

drivers/infiniband/hw/ipath/ipath_keys.c

@@ -136,9 +136,7 @@ int ipath_lkey_ok(struct ipath_lkey_table *rkt, struct ipath_sge *isge,
 		ret = 1;
 		goto bail;
 	}
-	spin_lock(&rkt->lock);
 	mr = rkt->table[(sge->lkey >> (32 - ib_ipath_lkey_table_size))];
-	spin_unlock(&rkt->lock);
 	if (unlikely(mr == NULL || mr->lkey != sge->lkey)) {
 		ret = 0;
 		goto bail;
@@ -184,8 +182,6 @@ int ipath_lkey_ok(struct ipath_lkey_table *rkt, struct ipath_sge *isge,
  * @acc: access flags
  *
  * Return 1 if successful, otherwise 0.
- *
- * The QP r_rq.lock should be held.
  */
 int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss,
 		  u32 len, u64 vaddr, u32 rkey, int acc)
@@ -196,9 +192,7 @@ int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss,
 	size_t off;
 	int ret;
 
-	spin_lock(&rkt->lock);
 	mr = rkt->table[(rkey >> (32 - ib_ipath_lkey_table_size))];
-	spin_unlock(&rkt->lock);
 	if (unlikely(mr == NULL || mr->lkey != rkey)) {
 		ret = 0;
 		goto bail;

drivers/infiniband/hw/ipath/ipath_layer.c

@@ -872,12 +872,13 @@ static void copy_io(u32 __iomem *piobuf, struct ipath_sge_state *ss,
 		update_sge(ss, len);
 		length -= len;
 	}
+	/* Update address before sending packet. */
+	update_sge(ss, length);
 	/* must flush early everything before trigger word */
 	ipath_flush_wc();
 	__raw_writel(last, piobuf);
 	/* be sure trigger word is written */
 	ipath_flush_wc();
-	update_sge(ss, length);
 }
 
 /**
@@ -943,17 +944,18 @@ int ipath_verbs_send(struct ipath_devdata *dd, u32 hdrwords,
 	if (likely(ss->num_sge == 1 && len <= ss->sge.length &&
 		   !((unsigned long)ss->sge.vaddr & (sizeof(u32) - 1)))) {
 		u32 w;
+		u32 *addr = (u32 *) ss->sge.vaddr;
 
+		/* Update address before sending packet. */
+		update_sge(ss, len);
 		/* Need to round up for the last dword in the packet. */
 		w = (len + 3) >> 2;
-		__iowrite32_copy(piobuf, ss->sge.vaddr, w - 1);
+		__iowrite32_copy(piobuf, addr, w - 1);
 		/* must flush early everything before trigger word */
 		ipath_flush_wc();
-		__raw_writel(((u32 *) ss->sge.vaddr)[w - 1],
-			     piobuf + w - 1);
+		__raw_writel(addr[w - 1], piobuf + w - 1);
 		/* be sure trigger word is written */
 		ipath_flush_wc();
-		update_sge(ss, len);
 		ret = 0;
 		goto bail;
 	}

drivers/infiniband/hw/ipath/ipath_pe800.c

@@ -1180,6 +1180,8 @@ static int ipath_pe_early_init(struct ipath_devdata *dd)
 	 */
 	dd->ipath_rhdrhead_intr_off = 1ULL<<32;
 
+	ipath_get_eeprom_info(dd);
+
 	return 0;
 }