# OMAP IOMMU support
config OMAP_IOMMU
bool "OMAP IOMMU Support"
- depends on ARCH_OMAP
+ depends on ARCH_OMAP2PLUS
select IOMMU_API
config OMAP_IOVMM
/* allocate a protection domain if a device is added */
dma_domain = find_protection_domain(devid);
- 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);
+ 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);
+ }
dev->archdata.dma_ops = &amd_iommu_dma_ops;
* BIOS should disable L2B micellaneous clock gating by setting
* L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b
*/
-static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
+static void amd_iommu_erratum_746_workaround(struct amd_iommu *iommu)
{
u32 value;
#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>
if (j + len > block_end)
goto partno;
- memcpy(tp->fw_ver, &vpd_data[j], len);
- strncat(tp->fw_ver, " bc ", vpdlen - len - 1);
+ 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]);
}
partno:
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.
/* 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)
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]) {
{
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,
return -ENOMEM;
}
+ memset(cbd_base, 0, PAGE_SIZE);
spin_lock_init(&fep->hw_lock);
fep->netdev = 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;
* queue is stopped then start the queue as we have free desc for tx
*/
if (unlikely(netif_queue_stopped(ndev)))
- netif_start_queue(ndev);
+ netif_wake_queue(ndev);
cpts_tx_timestamp(priv->cpts, skb);
priv->stats.tx_packets++;
priv->stats.tx_bytes += len;
* queue is stopped then start the queue as we have free desc for tx
*/
if (unlikely(netif_queue_stopped(ndev)))
- netif_start_queue(ndev);
+ netif_wake_queue(ndev);
ndev->stats.tx_packets++;
ndev->stats.tx_bytes += len;
dev_kfree_skb_any(skb);
static struct vcs_poll_data *
vcs_poll_data_get(struct file *file)
{
- struct vcs_poll_data *poll = file->private_data;
+ struct vcs_poll_data *poll = file->private_data, *kill = NULL;
if (poll)
return poll;
file->private_data = poll;
} else {
/* someone else raced ahead of us */
- vcs_poll_data_free(poll);
+ kill = poll;
poll = file->private_data;
}
spin_unlock(&file->f_lock);
+ if (kill)
+ vcs_poll_data_free(kill);
return poll;
}
bool slash = false;
int error = 0;
- br_read_lock(&vfsmount_lock);
while (dentry != root->dentry || vfsmnt != root->mnt) {
struct dentry * parent;
if (!error && !slash)
error = prepend(buffer, buflen, "/", 1);
-out:
- br_read_unlock(&vfsmount_lock);
return error;
global_root:
error = prepend(buffer, buflen, "/", 1);
if (!error)
error = is_mounted(vfsmnt) ? 1 : 2;
- goto out;
+ return error;
}
/**
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);
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;
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;
}
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;
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;
}
} else {
write_sequnlock(&rename_lock);
+ br_read_unlock(&vfsmount_lock);
}
out:
* 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 *);
#include <linux/splice.h>
#include <linux/compat.h>
#include "read_write.h"
+#include "internal.h"
#include <asm/uaccess.h>
#include <asm/unistd.h>
EXPORT_SYMBOL(do_sync_write);
+ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t *pos)
+{
+ mm_segment_t old_fs;
+ const char __user *p;
+ ssize_t ret;
+
+ if (!file->f_op || (!file->f_op->write && !file->f_op->aio_write))
+ return -EINVAL;
+
+ old_fs = get_fs();
+ set_fs(get_ds());
+ p = (__force const char __user *)buf;
+ if (count > MAX_RW_COUNT)
+ count = MAX_RW_COUNT;
+ if (file->f_op->write)
+ ret = file->f_op->write(file, p, count, pos);
+ else
+ ret = do_sync_write(file, p, count, pos);
+ set_fs(old_fs);
+ if (ret > 0) {
+ fsnotify_modify(file);
+ add_wchar(current, ret);
+ }
+ inc_syscw(current);
+ return ret;
+}
+
ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)
{
ssize_t ret;
#include <linux/security.h>
#include <linux/gfp.h>
#include <linux/socket.h>
+#include "internal.h"
/*
* Attempt to steal a page from a pipe buffer. This should perhaps go into
{
int ret;
void *data;
+ loff_t tmp = sd->pos;
data = buf->ops->map(pipe, buf, 0);
- ret = kernel_write(sd->u.file, data + buf->offset, sd->len, sd->pos);
+ ret = __kernel_write(sd->u.file, data + buf->offset, sd->len, &tmp);
buf->ops->unmap(pipe, buf, data);
return ret;
*
* int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh)
* int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq,
- * struct net_device *dev)
+ * struct net_device *dev, u32 filter_mask)
*
* int (*ndo_change_carrier)(struct net_device *dev, bool new_carrier);
* Called to change device carrier. Soft-devices (like dummy, team, etc)
}
if (ops->fill_info) {
data = nla_nest_start(skb, IFLA_INFO_DATA);
- if (data == NULL)
+ if (data == NULL) {
+ err = -EMSGSIZE;
goto err_cancel_link;
+ }
err = ops->fill_info(skb, dev);
if (err < 0)
goto err_cancel_data;
hdr->sadb_msg_pid = c->portid;
hdr->sadb_msg_version = PF_KEY_V2;
hdr->sadb_msg_errno = (uint8_t) 0;
+ hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC;
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
return 0;
u64 mult;
int shift;
- r->rate_bps = rate << 3;
+ r->rate_bps = (u64)rate << 3;
r->shift = 0;
r->mult = 1;
/*
x->xflags &= ~XFRM_TIME_DEFER;
}
+static void xfrm_replay_notify_esn(struct xfrm_state *x, int event)
+{
+ u32 seq_diff, oseq_diff;
+ struct km_event c;
+ struct xfrm_replay_state_esn *replay_esn = x->replay_esn;
+ struct xfrm_replay_state_esn *preplay_esn = x->preplay_esn;
+
+ /* we send notify messages in case
+ * 1. we updated on of the sequence numbers, and the seqno difference
+ * is at least x->replay_maxdiff, in this case we also update the
+ * timeout of our timer function
+ * 2. if x->replay_maxage has elapsed since last update,
+ * and there were changes
+ *
+ * The state structure must be locked!
+ */
+
+ switch (event) {
+ case XFRM_REPLAY_UPDATE:
+ if (!x->replay_maxdiff)
+ break;
+
+ if (replay_esn->seq_hi == preplay_esn->seq_hi)
+ seq_diff = replay_esn->seq - preplay_esn->seq;
+ else
+ seq_diff = ~preplay_esn->seq + replay_esn->seq + 1;
+
+ if (replay_esn->oseq_hi == preplay_esn->oseq_hi)
+ oseq_diff = replay_esn->oseq - preplay_esn->oseq;
+ else
+ oseq_diff = ~preplay_esn->oseq + replay_esn->oseq + 1;
+
+ if (seq_diff < x->replay_maxdiff &&
+ oseq_diff < x->replay_maxdiff) {
+
+ if (x->xflags & XFRM_TIME_DEFER)
+ event = XFRM_REPLAY_TIMEOUT;
+ else
+ return;
+ }
+
+ break;
+
+ case XFRM_REPLAY_TIMEOUT:
+ if (memcmp(x->replay_esn, x->preplay_esn,
+ xfrm_replay_state_esn_len(replay_esn)) == 0) {
+ x->xflags |= XFRM_TIME_DEFER;
+ return;
+ }
+
+ break;
+ }
+
+ memcpy(x->preplay_esn, x->replay_esn,
+ xfrm_replay_state_esn_len(replay_esn));
+ c.event = XFRM_MSG_NEWAE;
+ c.data.aevent = event;
+ km_state_notify(x, &c);
+
+ if (x->replay_maxage &&
+ !mod_timer(&x->rtimer, jiffies + x->replay_maxage))
+ x->xflags &= ~XFRM_TIME_DEFER;
+}
+
static int xfrm_replay_overflow_esn(struct xfrm_state *x, struct sk_buff *skb)
{
int err = 0;
.advance = xfrm_replay_advance_esn,
.check = xfrm_replay_check_esn,
.recheck = xfrm_replay_recheck_esn,
- .notify = xfrm_replay_notify_bmp,
+ .notify = xfrm_replay_notify_esn,
.overflow = xfrm_replay_overflow_esn,
};
git.openpandora.org / pandora-kernel.git / commitdiff