---

yaml
---
r: 362025
b: refs/heads/master
c: d6b057b
h: refs/heads/master
i:
  362023: 18b4fcb
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0fb031f036385af1e1de87ac3e98a2afba2139ae
+refs/heads/master: d6b057b5dbba97e6ba13aace5270babd7c8b658c

trunk/drivers/iommu/Kconfig

@@ -130,7 +130,7 @@ config IRQ_REMAP
 # OMAP IOMMU support
 config OMAP_IOMMU
 	bool "OMAP IOMMU Support"
-	depends on ARCH_OMAP2PLUS
+	depends on ARCH_OMAP
 	select IOMMU_API
 
 config OMAP_IOVMM

trunk/drivers/iommu/amd_iommu.c

@@ -2466,16 +2466,18 @@ static int device_change_notifier(struct notifier_block *nb,
 
 		/* allocate a protection domain if a device is added */
 		dma_domain = find_protection_domain(devid);
-		if (!dma_domain) {
-			dma_domain = dma_ops_domain_alloc();
-			if (!dma_domain)
-				goto out;
-			dma_domain->target_dev = devid;
-
-			spin_lock_irqsave(&iommu_pd_list_lock, flags);
-			list_add_tail(&dma_domain->list, &iommu_pd_list);
-			spin_unlock_irqrestore(&iommu_pd_list_lock, flags);
-		}
+		if (dma_domain)
+			goto out;
+		dma_domain = dma_ops_domain_alloc();
+		if (!dma_domain)
+			goto out;
+		dma_domain->target_dev = devid;
+
+		spin_lock_irqsave(&iommu_pd_list_lock, flags);
+		list_add_tail(&dma_domain->list, &iommu_pd_list);
+		spin_unlock_irqrestore(&iommu_pd_list_lock, flags);
+
+		dev_data = get_dev_data(dev);
 
 		dev->archdata.dma_ops = &amd_iommu_dma_ops;
 

trunk/drivers/iommu/amd_iommu_init.c

@@ -980,7 +980,7 @@ static void __init free_iommu_all(void)
  *     BIOS should disable L2B micellaneous clock gating by setting
  *     L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b
  */
-static void amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
+static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
 {
 	u32 value;
 

trunk/drivers/iommu/irq_remapping.c

@@ -2,6 +2,7 @@
 #include <linux/cpumask.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
+#include <linux/cpumask.h>
 #include <linux/errno.h>
 #include <linux/msi.h>
 #include <linux/irq.h>

trunk/drivers/net/ethernet/broadcom/tg3.c

@@ -14604,11 +14604,8 @@ static void tg3_read_vpd(struct tg3 *tp)
 		if (j + len > block_end)
 			goto partno;
 
-		if (len >= sizeof(tp->fw_ver))
-			len = sizeof(tp->fw_ver) - 1;
-		memset(tp->fw_ver, 0, sizeof(tp->fw_ver));
-		snprintf(tp->fw_ver, sizeof(tp->fw_ver), "%.*s bc ", len,
-			 &vpd_data[j]);
+		memcpy(tp->fw_ver, &vpd_data[j], len);
+		strncat(tp->fw_ver, " bc ", vpdlen - len - 1);
 	}
 
 partno:

trunk/drivers/net/ethernet/freescale/fec.c

@@ -345,53 +345,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	return NETDEV_TX_OK;
 }
 
-/* Init RX & TX buffer descriptors
- */
-static void fec_enet_bd_init(struct net_device *dev)
-{
-	struct fec_enet_private *fep = netdev_priv(dev);
-	struct bufdesc *bdp;
-	unsigned int i;
-
-	/* Initialize the receive buffer descriptors. */
-	bdp = fep->rx_bd_base;
-	for (i = 0; i < RX_RING_SIZE; i++) {
-
-		/* Initialize the BD for every fragment in the page. */
-		if (bdp->cbd_bufaddr)
-			bdp->cbd_sc = BD_ENET_RX_EMPTY;
-		else
-			bdp->cbd_sc = 0;
-		bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex);
-	}
-
-	/* Set the last buffer to wrap */
-	bdp = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);
-	bdp->cbd_sc |= BD_SC_WRAP;
-
-	fep->cur_rx = fep->rx_bd_base;
-
-	/* ...and the same for transmit */
-	bdp = fep->tx_bd_base;
-	fep->cur_tx = bdp;
-	for (i = 0; i < TX_RING_SIZE; i++) {
-
-		/* Initialize the BD for every fragment in the page. */
-		bdp->cbd_sc = 0;
-		if (bdp->cbd_bufaddr && fep->tx_skbuff[i]) {
-			dev_kfree_skb_any(fep->tx_skbuff[i]);
-			fep->tx_skbuff[i] = NULL;
-		}
-		bdp->cbd_bufaddr = 0;
-		bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex);
-	}
-
-	/* Set the last buffer to wrap */
-	bdp = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);
-	bdp->cbd_sc |= BD_SC_WRAP;
-	fep->dirty_tx = bdp;
-}
-
 /* This function is called to start or restart the FEC during a link
  * change.  This only happens when switching between half and full
  * duplex.
@@ -435,8 +388,6 @@ fec_restart(struct net_device *ndev, int duplex)
 	/* Set maximum receive buffer size. */
 	writel(PKT_MAXBLR_SIZE, fep->hwp + FEC_R_BUFF_SIZE);
 
-	fec_enet_bd_init(ndev);
-
 	/* Set receive and transmit descriptor base. */
 	writel(fep->bd_dma, fep->hwp + FEC_R_DES_START);
 	if (fep->bufdesc_ex)
@@ -446,6 +397,7 @@ fec_restart(struct net_device *ndev, int duplex)
 		writel((unsigned long)fep->bd_dma + sizeof(struct bufdesc)
 			* RX_RING_SIZE,	fep->hwp + FEC_X_DES_START);
 
+	fep->cur_rx = fep->rx_bd_base;
 
 	for (i = 0; i <= TX_RING_MOD_MASK; i++) {
 		if (fep->tx_skbuff[i]) {
@@ -1645,6 +1597,8 @@ static int fec_enet_init(struct net_device *ndev)
 {
 	struct fec_enet_private *fep = netdev_priv(ndev);
 	struct bufdesc *cbd_base;
+	struct bufdesc *bdp;
+	unsigned int i;
 
 	/* Allocate memory for buffer descriptors. */
 	cbd_base = dma_alloc_coherent(NULL, PAGE_SIZE, &fep->bd_dma,
@@ -1654,7 +1608,6 @@ static int fec_enet_init(struct net_device *ndev)
 		return -ENOMEM;
 	}
 
-	memset(cbd_base, 0, PAGE_SIZE);
 	spin_lock_init(&fep->hw_lock);
 
 	fep->netdev = ndev;
@@ -1678,6 +1631,35 @@ static int fec_enet_init(struct net_device *ndev)
 	writel(FEC_RX_DISABLED_IMASK, fep->hwp + FEC_IMASK);
 	netif_napi_add(ndev, &fep->napi, fec_enet_rx_napi, FEC_NAPI_WEIGHT);
 
+	/* Initialize the receive buffer descriptors. */
+	bdp = fep->rx_bd_base;
+	for (i = 0; i < RX_RING_SIZE; i++) {
+
+		/* Initialize the BD for every fragment in the page. */
+		bdp->cbd_sc = 0;
+		bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex);
+	}
+
+	/* Set the last buffer to wrap */
+	bdp = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);
+	bdp->cbd_sc |= BD_SC_WRAP;
+
+	/* ...and the same for transmit */
+	bdp = fep->tx_bd_base;
+	fep->cur_tx = bdp;
+	for (i = 0; i < TX_RING_SIZE; i++) {
+
+		/* Initialize the BD for every fragment in the page. */
+		bdp->cbd_sc = 0;
+		bdp->cbd_bufaddr = 0;
+		bdp = fec_enet_get_nextdesc(bdp, fep->bufdesc_ex);
+	}
+
+	/* Set the last buffer to wrap */
+	bdp = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex);
+	bdp->cbd_sc |= BD_SC_WRAP;
+	fep->dirty_tx = bdp;
+
 	fec_restart(ndev, 0);
 
 	return 0;

trunk/drivers/net/ethernet/intel/e1000/e1000_ethtool.c

@@ -1053,6 +1053,10 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 		txdr->buffer_info[i].dma =
 			dma_map_single(&pdev->dev, skb->data, skb->len,
 				       DMA_TO_DEVICE);
+		if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
+			ret_val = 4;
+			goto err_nomem;
+		}
 		tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
 		tx_desc->lower.data = cpu_to_le32(skb->len);
 		tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
@@ -1069,15 +1073,15 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 	rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
 				    GFP_KERNEL);
 	if (!rxdr->buffer_info) {
-		ret_val = 4;
+		ret_val = 5;
 		goto err_nomem;
 	}
 
 	rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
 	rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
 					GFP_KERNEL);
 	if (!rxdr->desc) {
-		ret_val = 5;
+		ret_val = 6;
 		goto err_nomem;
 	}
 	memset(rxdr->desc, 0, rxdr->size);
@@ -1101,7 +1105,7 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 
 		skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
 		if (!skb) {
-			ret_val = 6;
+			ret_val = 7;
 			goto err_nomem;
 		}
 		skb_reserve(skb, NET_IP_ALIGN);
@@ -1110,6 +1114,10 @@ static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
 		rxdr->buffer_info[i].dma =
 			dma_map_single(&pdev->dev, skb->data,
 				       E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
+		if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
+			ret_val = 8;
+			goto err_nomem;
+		}
 		rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
 		memset(skb->data, 0x00, skb->len);
 	}

trunk/drivers/net/ethernet/ti/cpsw.c

@@ -436,7 +436,7 @@ void cpsw_tx_handler(void *token, int len, int status)
 	 * queue is stopped then start the queue as we have free desc for tx
 	 */
 	if (unlikely(netif_queue_stopped(ndev)))
-		netif_wake_queue(ndev);
+		netif_start_queue(ndev);
 	cpts_tx_timestamp(priv->cpts, skb);
 	priv->stats.tx_packets++;
 	priv->stats.tx_bytes += len;

trunk/drivers/net/ethernet/ti/davinci_emac.c

@@ -1053,7 +1053,7 @@ static void emac_tx_handler(void *token, int len, int status)
 	 * queue is stopped then start the queue as we have free desc for tx
 	 */
 	if (unlikely(netif_queue_stopped(ndev)))
-		netif_wake_queue(ndev);
+		netif_start_queue(ndev);
 	ndev->stats.tx_packets++;
 	ndev->stats.tx_bytes += len;
 	dev_kfree_skb_any(skb);

trunk/drivers/tty/vt/vc_screen.c

@@ -93,7 +93,7 @@ vcs_poll_data_free(struct vcs_poll_data *poll)
 static struct vcs_poll_data *
 vcs_poll_data_get(struct file *file)
 {
-	struct vcs_poll_data *poll = file->private_data, *kill = NULL;
+	struct vcs_poll_data *poll = file->private_data;
 
 	if (poll)
 		return poll;
@@ -122,12 +122,10 @@ vcs_poll_data_get(struct file *file)
 		file->private_data = poll;
 	} else {
 		/* someone else raced ahead of us */
-		kill = poll;
+		vcs_poll_data_free(poll);
 		poll = file->private_data;
 	}
 	spin_unlock(&file->f_lock);
-	if (kill)
-		vcs_poll_data_free(kill);
 
 	return poll;
 }

trunk/fs/dcache.c

@@ -2542,6 +2542,7 @@ static int prepend_path(const struct path *path,
 	bool slash = false;
 	int error = 0;
 
+	br_read_lock(&vfsmount_lock);
 	while (dentry != root->dentry || vfsmnt != root->mnt) {
 		struct dentry * parent;
 
@@ -2571,6 +2572,8 @@ static int prepend_path(const struct path *path,
 	if (!error && !slash)
 		error = prepend(buffer, buflen, "/", 1);
 
+out:
+	br_read_unlock(&vfsmount_lock);
 	return error;
 
 global_root:
@@ -2587,7 +2590,7 @@ static int prepend_path(const struct path *path,
 		error = prepend(buffer, buflen, "/", 1);
 	if (!error)
 		error = is_mounted(vfsmnt) ? 1 : 2;
-	return error;
+	goto out;
 }
 
 /**
@@ -2614,11 +2617,9 @@ char *__d_path(const struct path *path,
 	int error;
 
 	prepend(&res, &buflen, "\0", 1);
-	br_read_lock(&vfsmount_lock);
 	write_seqlock(&rename_lock);
 	error = prepend_path(path, root, &res, &buflen);
 	write_sequnlock(&rename_lock);
-	br_read_unlock(&vfsmount_lock);
 
 	if (error < 0)
 		return ERR_PTR(error);
@@ -2635,11 +2636,9 @@ char *d_absolute_path(const struct path *path,
 	int error;
 
 	prepend(&res, &buflen, "\0", 1);
-	br_read_lock(&vfsmount_lock);
 	write_seqlock(&rename_lock);
 	error = prepend_path(path, &root, &res, &buflen);
 	write_sequnlock(&rename_lock);
-	br_read_unlock(&vfsmount_lock);
 
 	if (error > 1)
 		error = -EINVAL;
@@ -2703,13 +2702,11 @@ char *d_path(const struct path *path, char *buf, int buflen)
 		return path->dentry->d_op->d_dname(path->dentry, buf, buflen);
 
 	get_fs_root(current->fs, &root);
-	br_read_lock(&vfsmount_lock);
 	write_seqlock(&rename_lock);
 	error = path_with_deleted(path, &root, &res, &buflen);
-	write_sequnlock(&rename_lock);
-	br_read_unlock(&vfsmount_lock);
 	if (error < 0)
 		res = ERR_PTR(error);
+	write_sequnlock(&rename_lock);
 	path_put(&root);
 	return res;
 }
@@ -2833,7 +2830,6 @@ SYSCALL_DEFINE2(getcwd, char __user *, buf, unsigned long, size)
 	get_fs_root_and_pwd(current->fs, &root, &pwd);
 
 	error = -ENOENT;
-	br_read_lock(&vfsmount_lock);
 	write_seqlock(&rename_lock);
 	if (!d_unlinked(pwd.dentry)) {
 		unsigned long len;
@@ -2843,7 +2839,6 @@ SYSCALL_DEFINE2(getcwd, char __user *, buf, unsigned long, size)
 		prepend(&cwd, &buflen, "\0", 1);
 		error = prepend_path(&pwd, &root, &cwd, &buflen);
 		write_sequnlock(&rename_lock);
-		br_read_unlock(&vfsmount_lock);
 
 		if (error < 0)
 			goto out;
@@ -2864,7 +2859,6 @@ SYSCALL_DEFINE2(getcwd, char __user *, buf, unsigned long, size)
 		}
 	} else {
 		write_sequnlock(&rename_lock);
-		br_read_unlock(&vfsmount_lock);
 	}
 
 out:

trunk/fs/internal.h

@@ -125,8 +125,3 @@ extern int invalidate_inodes(struct super_block *, bool);
  * dcache.c
  */
 extern struct dentry *__d_alloc(struct super_block *, const struct qstr *);
-
-/*
- * read_write.c
- */
-extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *);