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SubjectRe: Linux 2.6.17.12
diff --git a/Makefile b/Makefile
index a261e36..5e9bd16 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 17
-EXTRAVERSION = .11
+EXTRAVERSION = .12
NAME=Crazed Snow-Weasel

# *DOCUMENTATION*
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index 8255a9b..7e8a4d1 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -279,8 +279,8 @@ xpc_pull_remote_cachelines(struct xpc_pa
return part->reason;
}

- bte_ret = xp_bte_copy((u64) src, (u64) ia64_tpa((u64) dst),
- (u64) cnt, (BTE_NORMAL | BTE_WACQUIRE), NULL);
+ bte_ret = xp_bte_copy((u64) src, (u64) dst, (u64) cnt,
+ (BTE_NORMAL | BTE_WACQUIRE), NULL);
if (bte_ret == BTE_SUCCESS) {
return xpcSuccess;
}
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index 99b123a..440039f 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -1052,6 +1052,8 @@ xpc_do_exit(enum xpc_retval reason)
if (xpc_sysctl) {
unregister_sysctl_table(xpc_sysctl);
}
+
+ kfree(xpc_remote_copy_buffer_base);
}


@@ -1212,24 +1214,20 @@ xpc_init(void)
partid_t partid;
struct xpc_partition *part;
pid_t pid;
+ size_t buf_size;


if (!ia64_platform_is("sn2")) {
return -ENODEV;
}

- /*
- * xpc_remote_copy_buffer is used as a temporary buffer for bte_copy'ng
- * various portions of a partition's reserved page. Its size is based
- * on the size of the reserved page header and part_nasids mask. So we
- * need to ensure that the other items will fit as well.
- */
- if (XPC_RP_VARS_SIZE > XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES) {
- dev_err(xpc_part, "xpc_remote_copy_buffer is not big enough\n");
- return -EPERM;
- }
- DBUG_ON((u64) xpc_remote_copy_buffer !=
- L1_CACHE_ALIGN((u64) xpc_remote_copy_buffer));
+
+ buf_size = max(XPC_RP_VARS_SIZE,
+ XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES);
+ xpc_remote_copy_buffer = xpc_kmalloc_cacheline_aligned(buf_size,
+ GFP_KERNEL, &xpc_remote_copy_buffer_base);
+ if (xpc_remote_copy_buffer == NULL)
+ return -ENOMEM;

snprintf(xpc_part->bus_id, BUS_ID_SIZE, "part");
snprintf(xpc_chan->bus_id, BUS_ID_SIZE, "chan");
@@ -1293,6 +1291,8 @@ xpc_init(void)
if (xpc_sysctl) {
unregister_sysctl_table(xpc_sysctl);
}
+
+ kfree(xpc_remote_copy_buffer_base);
return -EBUSY;
}

@@ -1311,6 +1311,8 @@ xpc_init(void)
if (xpc_sysctl) {
unregister_sysctl_table(xpc_sysctl);
}
+
+ kfree(xpc_remote_copy_buffer_base);
return -EBUSY;
}

@@ -1362,6 +1364,8 @@ xpc_init(void)
if (xpc_sysctl) {
unregister_sysctl_table(xpc_sysctl);
}
+
+ kfree(xpc_remote_copy_buffer_base);
return -EBUSY;
}

diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c
index 2a89cfc..57c723f 100644
--- a/arch/ia64/sn/kernel/xpc_partition.c
+++ b/arch/ia64/sn/kernel/xpc_partition.c
@@ -71,19 +71,15 @@ struct xpc_partition xpc_partitions[XP_M
* Generic buffer used to store a local copy of portions of a remote
* partition's reserved page (either its header and part_nasids mask,
* or its vars).
- *
- * xpc_discovery runs only once and is a seperate thread that is
- * very likely going to be processing in parallel with receiving
- * interrupts.
*/
-char ____cacheline_aligned xpc_remote_copy_buffer[XPC_RP_HEADER_SIZE +
- XP_NASID_MASK_BYTES];
+char *xpc_remote_copy_buffer;
+void *xpc_remote_copy_buffer_base;


/*
* Guarantee that the kmalloc'd memory is cacheline aligned.
*/
-static void *
+void *
xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base)
{
/* see if kmalloc will give us cachline aligned memory by default */
@@ -148,7 +144,7 @@ xpc_get_rsvd_page_pa(int nasid)
}
}

- bte_res = xp_bte_copy(rp_pa, ia64_tpa(buf), buf_len,
+ bte_res = xp_bte_copy(rp_pa, buf, buf_len,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bte_res != BTE_SUCCESS) {
dev_dbg(xpc_part, "xp_bte_copy failed %i\n", bte_res);
@@ -447,7 +443,7 @@ xpc_check_remote_hb(void)

/* pull the remote_hb cache line */
bres = xp_bte_copy(part->remote_vars_pa,
- ia64_tpa((u64) remote_vars),
+ (u64) remote_vars,
XPC_RP_VARS_SIZE,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bres != BTE_SUCCESS) {
@@ -498,8 +494,7 @@ xpc_get_remote_rp(int nasid, u64 *discov


/* pull over the reserved page header and part_nasids mask */
-
- bres = xp_bte_copy(*remote_rp_pa, ia64_tpa((u64) remote_rp),
+ bres = xp_bte_copy(*remote_rp_pa, (u64) remote_rp,
XPC_RP_HEADER_SIZE + xp_nasid_mask_bytes,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bres != BTE_SUCCESS) {
@@ -554,11 +549,8 @@ xpc_get_remote_vars(u64 remote_vars_pa,
return xpcVarsNotSet;
}

-
/* pull over the cross partition variables */
-
- bres = xp_bte_copy(remote_vars_pa, ia64_tpa((u64) remote_vars),
- XPC_RP_VARS_SIZE,
+ bres = xp_bte_copy(remote_vars_pa, (u64) remote_vars, XPC_RP_VARS_SIZE,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
if (bres != BTE_SUCCESS) {
return xpc_map_bte_errors(bres);
@@ -1239,7 +1231,7 @@ xpc_initiate_partid_to_nasids(partid_t p

part_nasid_pa = (u64) XPC_RP_PART_NASIDS(part->remote_rp_pa);

- bte_res = xp_bte_copy(part_nasid_pa, ia64_tpa((u64) nasid_mask),
+ bte_res = xp_bte_copy(part_nasid_pa, (u64) nasid_mask,
xp_nasid_mask_bytes, (BTE_NOTIFY | BTE_WACQUIRE), NULL);

return xpc_map_bte_errors(bte_res);
diff --git a/arch/sparc64/mm/generic.c b/arch/sparc64/mm/generic.c
index 8cb0620..af9d81d 100644
--- a/arch/sparc64/mm/generic.c
+++ b/arch/sparc64/mm/generic.c
@@ -69,6 +69,8 @@ static inline void io_remap_pte_range(st
} else
offset += PAGE_SIZE;

+ if (pte_write(entry))
+ entry = pte_mkdirty(entry);
do {
BUG_ON(!pte_none(*pte));
set_pte_at(mm, address, pte, entry);
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index 3e677c4..9914a78 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -6,7 +6,7 @@
*
* vt82c576, vt82c586, vt82c586a, vt82c586b, vt82c596a, vt82c596b,
* vt82c686, vt82c686a, vt82c686b, vt8231, vt8233, vt8233c, vt8233a,
- * vt8235, vt8237
+ * vt8235, vt8237, vt8237a
*
* Copyright (c) 2000-2002 Vojtech Pavlik
*
@@ -82,6 +82,7 @@ static struct via_isa_bridge {
{ "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
+ { "vt8237a", PCI_DEVICE_ID_VIA_8237A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
{ "vt8233c", PCI_DEVICE_ID_VIA_8233C_0, 0x00, 0x2f, VIA_UDMA_100 },
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index cc07bbe..34a7593 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -91,7 +91,6 @@ struct pstore {
struct dm_snapshot *snap; /* up pointer to my snapshot */
int version;
int valid;
- uint32_t chunk_size;
uint32_t exceptions_per_area;

/*
@@ -133,7 +132,7 @@ static int alloc_area(struct pstore *ps)
int r = -ENOMEM;
size_t len;

- len = ps->chunk_size << SECTOR_SHIFT;
+ len = ps->snap->chunk_size << SECTOR_SHIFT;

/*
* Allocate the chunk_size block of memory that will hold
@@ -160,8 +159,8 @@ static int chunk_io(struct pstore *ps, u
unsigned long bits;

where.bdev = ps->snap->cow->bdev;
- where.sector = ps->chunk_size * chunk;
- where.count = ps->chunk_size;
+ where.sector = ps->snap->chunk_size * chunk;
+ where.count = ps->snap->chunk_size;

return dm_io_sync_vm(1, &where, rw, ps->area, &bits);
}
@@ -188,7 +187,7 @@ static int area_io(struct pstore *ps, ui

static int zero_area(struct pstore *ps, uint32_t area)
{
- memset(ps->area, 0, ps->chunk_size << SECTOR_SHIFT);
+ memset(ps->area, 0, ps->snap->chunk_size << SECTOR_SHIFT);
return area_io(ps, area, WRITE);
}

@@ -196,6 +195,7 @@ static int read_header(struct pstore *ps
{
int r;
struct disk_header *dh;
+ chunk_t chunk_size;

r = chunk_io(ps, 0, READ);
if (r)
@@ -210,8 +210,29 @@ static int read_header(struct pstore *ps
*new_snapshot = 0;
ps->valid = le32_to_cpu(dh->valid);
ps->version = le32_to_cpu(dh->version);
- ps->chunk_size = le32_to_cpu(dh->chunk_size);
-
+ chunk_size = le32_to_cpu(dh->chunk_size);
+ if (ps->snap->chunk_size != chunk_size) {
+ DMWARN("chunk size %llu in device metadata overrides "
+ "table chunk size of %llu.",
+ (unsigned long long)chunk_size,
+ (unsigned long long)ps->snap->chunk_size);
+
+ /* We had a bogus chunk_size. Fix stuff up. */
+ dm_io_put(sectors_to_pages(ps->snap->chunk_size));
+ free_area(ps);
+
+ ps->snap->chunk_size = chunk_size;
+ ps->snap->chunk_mask = chunk_size - 1;
+ ps->snap->chunk_shift = ffs(chunk_size) - 1;
+
+ r = alloc_area(ps);
+ if (r)
+ return r;
+
+ r = dm_io_get(sectors_to_pages(chunk_size));
+ if (r)
+ return r;
+ }
} else {
DMWARN("Invalid/corrupt snapshot");
r = -ENXIO;
@@ -224,13 +245,13 @@ static int write_header(struct pstore *p
{
struct disk_header *dh;

- memset(ps->area, 0, ps->chunk_size << SECTOR_SHIFT);
+ memset(ps->area, 0, ps->snap->chunk_size << SECTOR_SHIFT);

dh = (struct disk_header *) ps->area;
dh->magic = cpu_to_le32(SNAP_MAGIC);
dh->valid = cpu_to_le32(ps->valid);
dh->version = cpu_to_le32(ps->version);
- dh->chunk_size = cpu_to_le32(ps->chunk_size);
+ dh->chunk_size = cpu_to_le32(ps->snap->chunk_size);

return chunk_io(ps, 0, WRITE);
}
@@ -365,7 +386,7 @@ static void persistent_destroy(struct ex
{
struct pstore *ps = get_info(store);

- dm_io_put(sectors_to_pages(ps->chunk_size));
+ dm_io_put(sectors_to_pages(ps->snap->chunk_size));
vfree(ps->callbacks);
free_area(ps);
kfree(ps);
@@ -384,6 +405,16 @@ static int persistent_read_metadata(stru
return r;

/*
+ * Now we know correct chunk_size, complete the initialisation.
+ */
+ ps->exceptions_per_area = (ps->snap->chunk_size << SECTOR_SHIFT) /
+ sizeof(struct disk_exception);
+ ps->callbacks = dm_vcalloc(ps->exceptions_per_area,
+ sizeof(*ps->callbacks));
+ if (!ps->callbacks)
+ return -ENOMEM;
+
+ /*
* Do we need to setup a new snapshot ?
*/
if (new_snapshot) {
@@ -533,9 +564,6 @@ int dm_create_persistent(struct exceptio
ps->snap = store->snap;
ps->valid = 1;
ps->version = SNAPSHOT_DISK_VERSION;
- ps->chunk_size = chunk_size;
- ps->exceptions_per_area = (chunk_size << SECTOR_SHIFT) /
- sizeof(struct disk_exception);
ps->next_free = 2; /* skipping the header and first area */
ps->current_committed = 0;

@@ -543,18 +571,9 @@ int dm_create_persistent(struct exceptio
if (r)
goto bad;

- /*
- * Allocate space for all the callbacks.
- */
ps->callback_count = 0;
atomic_set(&ps->pending_count, 0);
- ps->callbacks = dm_vcalloc(ps->exceptions_per_area,
- sizeof(*ps->callbacks));
-
- if (!ps->callbacks) {
- r = -ENOMEM;
- goto bad;
- }
+ ps->callbacks = NULL;

store->destroy = persistent_destroy;
store->read_metadata = persistent_read_metadata;
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 8edd643..f7e7436 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -102,8 +102,10 @@ static struct hash_cell *__get_name_cell
unsigned int h = hash_str(str);

list_for_each_entry (hc, _name_buckets + h, name_list)
- if (!strcmp(hc->name, str))
+ if (!strcmp(hc->name, str)) {
+ dm_get(hc->md);
return hc;
+ }

return NULL;
}
@@ -114,8 +116,10 @@ static struct hash_cell *__get_uuid_cell
unsigned int h = hash_str(str);

list_for_each_entry (hc, _uuid_buckets + h, uuid_list)
- if (!strcmp(hc->uuid, str))
+ if (!strcmp(hc->uuid, str)) {
+ dm_get(hc->md);
return hc;
+ }

return NULL;
}
@@ -191,7 +195,7 @@ static int unregister_with_devfs(struct
*/
static int dm_hash_insert(const char *name, const char *uuid, struct mapped_device *md)
{
- struct hash_cell *cell;
+ struct hash_cell *cell, *hc;

/*
* Allocate the new cells.
@@ -204,14 +208,19 @@ static int dm_hash_insert(const char *na
* Insert the cell into both hash tables.
*/
down_write(&_hash_lock);
- if (__get_name_cell(name))
+ hc = __get_name_cell(name);
+ if (hc) {
+ dm_put(hc->md);
goto bad;
+ }

list_add(&cell->name_list, _name_buckets + hash_str(name));

if (uuid) {
- if (__get_uuid_cell(uuid)) {
+ hc = __get_uuid_cell(uuid);
+ if (hc) {
list_del(&cell->name_list);
+ dm_put(hc->md);
goto bad;
}
list_add(&cell->uuid_list, _uuid_buckets + hash_str(uuid));
@@ -289,6 +298,7 @@ static int dm_hash_rename(const char *ol
if (hc) {
DMWARN("asked to rename to an already existing name %s -> %s",
old, new);
+ dm_put(hc->md);
up_write(&_hash_lock);
kfree(new_name);
return -EBUSY;
@@ -328,6 +338,7 @@ static int dm_hash_rename(const char *ol
dm_table_put(table);
}

+ dm_put(hc->md);
up_write(&_hash_lock);
kfree(old_name);
return 0;
@@ -611,10 +622,8 @@ static struct hash_cell *__find_device_h
return __get_name_cell(param->name);

md = dm_get_md(huge_decode_dev(param->dev));
- if (md) {
+ if (md)
mdptr = dm_get_mdptr(md);
- dm_put(md);
- }

return mdptr;
}
@@ -628,7 +637,6 @@ static struct mapped_device *find_device
hc = __find_device_hash_cell(param);
if (hc) {
md = hc->md;
- dm_get(md);

/*
* Sneakily write in both the name and the uuid
@@ -653,6 +661,7 @@ static struct mapped_device *find_device
static int dev_remove(struct dm_ioctl *param, size_t param_size)
{
struct hash_cell *hc;
+ struct mapped_device *md;

down_write(&_hash_lock);
hc = __find_device_hash_cell(param);
@@ -663,8 +672,11 @@ static int dev_remove(struct dm_ioctl *p
return -ENXIO;
}

+ md = hc->md;
+
__hash_remove(hc);
up_write(&_hash_lock);
+ dm_put(md);
param->data_size = 0;
return 0;
}
@@ -790,7 +802,6 @@ static int do_resume(struct dm_ioctl *pa
}

md = hc->md;
- dm_get(md);

new_map = hc->new_map;
hc->new_map = NULL;
@@ -1078,6 +1089,7 @@ static int table_clear(struct dm_ioctl *
{
int r;
struct hash_cell *hc;
+ struct mapped_device *md;

down_write(&_hash_lock);

@@ -1096,7 +1108,9 @@ static int table_clear(struct dm_ioctl *
param->flags &= ~DM_INACTIVE_PRESENT_FLAG;

r = __dev_status(hc->md, param);
+ md = hc->md;
up_write(&_hash_lock);
+ dm_put(md);
return r;
}

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index d12cf3e..2cab46e 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -106,12 +106,42 @@ struct region {
struct bio_list delayed_bios;
};

+
+/*-----------------------------------------------------------------
+ * Mirror set structures.
+ *---------------------------------------------------------------*/
+struct mirror {
+ atomic_t error_count;
+ struct dm_dev *dev;
+ sector_t offset;
+};
+
+struct mirror_set {
+ struct dm_target *ti;
+ struct list_head list;
+ struct region_hash rh;
+ struct kcopyd_client *kcopyd_client;
+
+ spinlock_t lock; /* protects the next two lists */
+ struct bio_list reads;
+ struct bio_list writes;
+
+ /* recovery */
+ region_t nr_regions;
+ int in_sync;
+
+ struct mirror *default_mirror; /* Default mirror */
+
+ unsigned int nr_mirrors;
+ struct mirror mirror[0];
+};
+
/*
* Conversion fns
*/
static inline region_t bio_to_region(struct region_hash *rh, struct bio *bio)
{
- return bio->bi_sector >> rh->region_shift;
+ return (bio->bi_sector - rh->ms->ti->begin) >> rh->region_shift;
}

static inline sector_t region_to_sector(struct region_hash *rh, region_t region)
@@ -223,7 +253,9 @@ static struct region *__rh_alloc(struct
struct region *reg, *nreg;

read_unlock(&rh->hash_lock);
- nreg = mempool_alloc(rh->region_pool, GFP_NOIO);
+ nreg = mempool_alloc(rh->region_pool, GFP_ATOMIC);
+ if (unlikely(!nreg))
+ nreg = kmalloc(sizeof(struct region), GFP_NOIO);
nreg->state = rh->log->type->in_sync(rh->log, region, 1) ?
RH_CLEAN : RH_NOSYNC;
nreg->rh = rh;
@@ -541,35 +573,6 @@ static void rh_start_recovery(struct reg
wake();
}

-/*-----------------------------------------------------------------
- * Mirror set structures.
- *---------------------------------------------------------------*/
-struct mirror {
- atomic_t error_count;
- struct dm_dev *dev;
- sector_t offset;
-};
-
-struct mirror_set {
- struct dm_target *ti;
- struct list_head list;
- struct region_hash rh;
- struct kcopyd_client *kcopyd_client;
-
- spinlock_t lock; /* protects the next two lists */
- struct bio_list reads;
- struct bio_list writes;
-
- /* recovery */
- region_t nr_regions;
- int in_sync;
-
- struct mirror *default_mirror; /* Default mirror */
-
- unsigned int nr_mirrors;
- struct mirror mirror[0];
-};
-
/*
* Every mirror should look like this one.
*/
@@ -1115,7 +1118,7 @@ static int mirror_map(struct dm_target *
struct mirror *m;
struct mirror_set *ms = ti->private;

- map_context->ll = bio->bi_sector >> ms->rh.region_shift;
+ map_context->ll = bio_to_region(&ms->rh, bio);

if (rw == WRITE) {
queue_bio(ms, bio, rw);
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 08312b4..b84bc1a 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -530,7 +530,7 @@ static int snapshot_ctr(struct dm_target
}

ti->private = s;
- ti->split_io = chunk_size;
+ ti->split_io = s->chunk_size;

return 0;

@@ -1204,7 +1204,7 @@ static int origin_status(struct dm_targe

static struct target_type origin_target = {
.name = "snapshot-origin",
- .version = {1, 1, 0},
+ .version = {1, 4, 0},
.module = THIS_MODULE,
.ctr = origin_ctr,
.dtr = origin_dtr,
@@ -1215,7 +1215,7 @@ static struct target_type origin_target

static struct target_type snapshot_target = {
.name = "snapshot",
- .version = {1, 1, 0},
+ .version = {1, 4, 0},
.module = THIS_MODULE,
.ctr = snapshot_ctr,
.dtr = snapshot_dtr,
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 4d710b7..dfd0378 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -26,6 +26,7 @@ static const char *_name = DM_NAME;
static unsigned int major = 0;
static unsigned int _major = 0;

+static DEFINE_SPINLOCK(_minor_lock);
/*
* One of these is allocated per bio.
*/
@@ -54,12 +55,15 @@ union map_info *dm_get_mapinfo(struct bi
return NULL;
}

+#define MINOR_ALLOCED ((void *)-1)
+
/*
* Bits for the md->flags field.
*/
#define DMF_BLOCK_IO 0
#define DMF_SUSPENDED 1
#define DMF_FROZEN 2
+#define DMF_FREEING 3

struct mapped_device {
struct rw_semaphore io_lock;
@@ -218,9 +222,23 @@ static int dm_blk_open(struct inode *ino
{
struct mapped_device *md;

+ spin_lock(&_minor_lock);
+
md = inode->i_bdev->bd_disk->private_data;
+ if (!md)
+ goto out;
+
+ if (test_bit(DMF_FREEING, &md->flags)) {
+ md = NULL;
+ goto out;
+ }
+
dm_get(md);
- return 0;
+
+out:
+ spin_unlock(&_minor_lock);
+
+ return md ? 0 : -ENXIO;
}

static int dm_blk_close(struct inode *inode, struct file *file)
@@ -744,14 +762,13 @@ static int dm_any_congested(void *conges
/*-----------------------------------------------------------------
* An IDR is used to keep track of allocated minor numbers.
*---------------------------------------------------------------*/
-static DEFINE_MUTEX(_minor_lock);
static DEFINE_IDR(_minor_idr);

static void free_minor(unsigned int minor)
{
- mutex_lock(&_minor_lock);
+ spin_lock(&_minor_lock);
idr_remove(&_minor_idr, minor);
- mutex_unlock(&_minor_lock);
+ spin_unlock(&_minor_lock);
}

/*
@@ -764,23 +781,20 @@ static int specific_minor(struct mapped_
if (minor >= (1 << MINORBITS))
return -EINVAL;

- mutex_lock(&_minor_lock);
+ r = idr_pre_get(&_minor_idr, GFP_KERNEL);
+ if (!r)
+ return -ENOMEM;
+
+ spin_lock(&_minor_lock);

if (idr_find(&_minor_idr, minor)) {
r = -EBUSY;
goto out;
}

- r = idr_pre_get(&_minor_idr, GFP_KERNEL);
- if (!r) {
- r = -ENOMEM;
- goto out;
- }
-
- r = idr_get_new_above(&_minor_idr, md, minor, &m);
- if (r) {
+ r = idr_get_new_above(&_minor_idr, MINOR_ALLOCED, minor, &m);
+ if (r)
goto out;
- }

if (m != minor) {
idr_remove(&_minor_idr, m);
@@ -789,7 +803,7 @@ static int specific_minor(struct mapped_
}

out:
- mutex_unlock(&_minor_lock);
+ spin_unlock(&_minor_lock);
return r;
}

@@ -798,15 +812,13 @@ static int next_free_minor(struct mapped
int r;
unsigned int m;

- mutex_lock(&_minor_lock);
-
r = idr_pre_get(&_minor_idr, GFP_KERNEL);
- if (!r) {
- r = -ENOMEM;
- goto out;
- }
+ if (!r)
+ return -ENOMEM;

- r = idr_get_new(&_minor_idr, md, &m);
+ spin_lock(&_minor_lock);
+
+ r = idr_get_new(&_minor_idr, MINOR_ALLOCED, &m);
if (r) {
goto out;
}
@@ -820,7 +832,7 @@ static int next_free_minor(struct mapped
*minor = m;

out:
- mutex_unlock(&_minor_lock);
+ spin_unlock(&_minor_lock);
return r;
}

@@ -833,12 +845,16 @@ static struct mapped_device *alloc_dev(u
{
int r;
struct mapped_device *md = kmalloc(sizeof(*md), GFP_KERNEL);
+ void *old_md;

if (!md) {
DMWARN("unable to allocate device, out of memory.");
return NULL;
}

+ if (!try_module_get(THIS_MODULE))
+ goto bad0;
+
/* get a minor number for the dev */
r = persistent ? specific_minor(md, minor) : next_free_minor(md, &minor);
if (r < 0)
@@ -875,6 +891,10 @@ static struct mapped_device *alloc_dev(u
if (!md->disk)
goto bad4;

+ atomic_set(&md->pending, 0);
+ init_waitqueue_head(&md->wait);
+ init_waitqueue_head(&md->eventq);
+
md->disk->major = _major;
md->disk->first_minor = minor;
md->disk->fops = &dm_blk_dops;
@@ -884,9 +904,12 @@ static struct mapped_device *alloc_dev(u
add_disk(md->disk);
format_dev_t(md->name, MKDEV(_major, minor));

- atomic_set(&md->pending, 0);
- init_waitqueue_head(&md->wait);
- init_waitqueue_head(&md->eventq);
+ /* Populate the mapping, nobody knows we exist yet */
+ spin_lock(&_minor_lock);
+ old_md = idr_replace(&_minor_idr, md, minor);
+ spin_unlock(&_minor_lock);
+
+ BUG_ON(old_md != MINOR_ALLOCED);

return md;

@@ -898,6 +921,8 @@ static struct mapped_device *alloc_dev(u
blk_cleanup_queue(md->queue);
free_minor(minor);
bad1:
+ module_put(THIS_MODULE);
+ bad0:
kfree(md);
return NULL;
}
@@ -914,8 +939,14 @@ static void free_dev(struct mapped_devic
mempool_destroy(md->io_pool);
del_gendisk(md->disk);
free_minor(minor);
+
+ spin_lock(&_minor_lock);
+ md->disk->private_data = NULL;
+ spin_unlock(&_minor_lock);
+
put_disk(md->disk);
blk_cleanup_queue(md->queue);
+ module_put(THIS_MODULE);
kfree(md);
}

@@ -1015,13 +1046,18 @@ static struct mapped_device *dm_find_md(
if (MAJOR(dev) != _major || minor >= (1 << MINORBITS))
return NULL;

- mutex_lock(&_minor_lock);
+ spin_lock(&_minor_lock);

md = idr_find(&_minor_idr, minor);
- if (!md || (dm_disk(md)->first_minor != minor))
+ if (md && (md == MINOR_ALLOCED ||
+ (dm_disk(md)->first_minor != minor) ||
+ test_bit(DMF_FREEING, &md->flags))) {
md = NULL;
+ goto out;
+ }

- mutex_unlock(&_minor_lock);
+out:
+ spin_unlock(&_minor_lock);

return md;
}
@@ -1055,8 +1091,13 @@ void dm_put(struct mapped_device *md)
{
struct dm_table *map;

- if (atomic_dec_and_test(&md->holders)) {
+ BUG_ON(test_bit(DMF_FREEING, &md->flags));
+
+ if (atomic_dec_and_lock(&md->holders, &_minor_lock)) {
map = dm_get_table(md);
+ idr_replace(&_minor_idr, MINOR_ALLOCED, dm_disk(md)->first_minor);
+ set_bit(DMF_FREEING, &md->flags);
+ spin_unlock(&_minor_lock);
if (!dm_suspended(md)) {
dm_table_presuspend_targets(map);
dm_table_postsuspend_targets(map);
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 72ca553..cc66193 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -51,7 +51,7 @@ #endif
#include "sky2.h"

#define DRV_NAME "sky2"
-#define DRV_VERSION "1.4"
+#define DRV_VERSION "1.6.1"
#define PFX DRV_NAME " "

/*
@@ -321,7 +321,7 @@ static void sky2_phy_init(struct sky2_hw
}

ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
- if (hw->copper) {
+ if (sky2_is_copper(hw)) {
if (hw->chip_id == CHIP_ID_YUKON_FE) {
/* enable automatic crossover */
ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1;
@@ -338,25 +338,37 @@ static void sky2_phy_init(struct sky2_hw
ctrl |= PHY_M_PC_DSC(2) | PHY_M_PC_DOWN_S_ENA;
}
}
- gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
} else {
/* workaround for deviation #4.88 (CRC errors) */
/* disable Automatic Crossover */

ctrl &= ~PHY_M_PC_MDIX_MSK;
- gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+ }

- if (hw->chip_id == CHIP_ID_YUKON_XL) {
- /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */
- gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2);
- ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
- ctrl &= ~PHY_M_MAC_MD_MSK;
- ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX);
- gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+ gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);
+
+ /* special setup for PHY 88E1112 Fiber */
+ if (hw->chip_id == CHIP_ID_YUKON_XL && !sky2_is_copper(hw)) {
+ pg = gm_phy_read(hw, port, PHY_MARV_EXT_ADR);
+
+ /* Fiber: select 1000BASE-X only mode MAC Specific Ctrl Reg. */
+ gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 2);
+ ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
+ ctrl &= ~PHY_M_MAC_MD_MSK;
+ ctrl |= PHY_M_MAC_MODE_SEL(PHY_M_MAC_MD_1000BX);
+ gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);

+ if (hw->pmd_type == 'P') {
/* select page 1 to access Fiber registers */
gm_phy_write(hw, port, PHY_MARV_EXT_ADR, 1);
+
+ /* for SFP-module set SIGDET polarity to low */
+ ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);
+ ctrl |= PHY_M_FIB_SIGD_POL;
+ gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl);
}
+
+ gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
}

ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL);
@@ -373,7 +385,7 @@ static void sky2_phy_init(struct sky2_hw
adv = PHY_AN_CSMA;

if (sky2->autoneg == AUTONEG_ENABLE) {
- if (hw->copper) {
+ if (sky2_is_copper(hw)) {
if (sky2->advertising & ADVERTISED_1000baseT_Full)
ct1000 |= PHY_M_1000C_AFD;
if (sky2->advertising & ADVERTISED_1000baseT_Half)
@@ -386,8 +398,12 @@ static void sky2_phy_init(struct sky2_hw
adv |= PHY_M_AN_10_FD;
if (sky2->advertising & ADVERTISED_10baseT_Half)
adv |= PHY_M_AN_10_HD;
- } else /* special defines for FIBER (88E1011S only) */
- adv |= PHY_M_AN_1000X_AHD | PHY_M_AN_1000X_AFD;
+ } else { /* special defines for FIBER (88E1040S only) */
+ if (sky2->advertising & ADVERTISED_1000baseT_Full)
+ adv |= PHY_M_AN_1000X_AFD;
+ if (sky2->advertising & ADVERTISED_1000baseT_Half)
+ adv |= PHY_M_AN_1000X_AHD;
+ }

/* Set Flow-control capabilities */
if (sky2->tx_pause && sky2->rx_pause)
@@ -949,14 +965,14 @@ #endif
/*
* It appears the hardware has a bug in the FIFO logic that
* cause it to hang if the FIFO gets overrun and the receive buffer
- * is not aligned. ALso alloc_skb() won't align properly if slab
+ * is not aligned. Also dev_alloc_skb() won't align properly if slab
* debugging is enabled.
*/
static inline struct sk_buff *sky2_alloc_skb(unsigned int size, gfp_t gfp_mask)
{
struct sk_buff *skb;

- skb = alloc_skb(size + RX_SKB_ALIGN, gfp_mask);
+ skb = __dev_alloc_skb(size + RX_SKB_ALIGN, gfp_mask);
if (likely(skb)) {
unsigned long p = (unsigned long) skb->data;
skb_reserve(skb, ALIGN(p, RX_SKB_ALIGN) - p);
@@ -1497,7 +1513,7 @@ static int sky2_down(struct net_device *

static u16 sky2_phy_speed(const struct sky2_hw *hw, u16 aux)
{
- if (!hw->copper)
+ if (!sky2_is_copper(hw))
return SPEED_1000;

if (hw->chip_id == CHIP_ID_YUKON_FE)
@@ -1855,7 +1871,7 @@ static struct sk_buff *sky2_receive(stru
goto oversize;

if (length < copybreak) {
- skb = alloc_skb(length + 2, GFP_ATOMIC);
+ skb = dev_alloc_skb(length + 2);
if (!skb)
goto resubmit;

@@ -2016,6 +2032,9 @@ #endif
}
}

+ /* Fully processed status ring so clear irq */
+ sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
+
exit_loop:
return work_done;
}
@@ -2218,9 +2237,6 @@ static int sky2_poll(struct net_device *
*budget -= work_done;
dev0->quota -= work_done;

- if (status & Y2_IS_STAT_BMU)
- sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
-
if (sky2_more_work(hw))
return 1;

@@ -2287,7 +2303,7 @@ static inline u32 sky2_clk2us(const stru
static int __devinit sky2_reset(struct sky2_hw *hw)
{
u16 status;
- u8 t8, pmd_type;
+ u8 t8;
int i;

sky2_write8(hw, B0_CTST, CS_RST_CLR);
@@ -2333,9 +2349,7 @@ static int __devinit sky2_reset(struct s
sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL);


- pmd_type = sky2_read8(hw, B2_PMD_TYP);
- hw->copper = !(pmd_type == 'L' || pmd_type == 'S');
-
+ hw->pmd_type = sky2_read8(hw, B2_PMD_TYP);
hw->ports = 1;
t8 = sky2_read8(hw, B2_Y2_HW_RES);
if ((t8 & CFG_DUAL_MAC_MSK) == CFG_DUAL_MAC_MSK) {
@@ -2432,21 +2446,22 @@ static int __devinit sky2_reset(struct s

static u32 sky2_supported_modes(const struct sky2_hw *hw)
{
- u32 modes;
- if (hw->copper) {
- modes = SUPPORTED_10baseT_Half
- | SUPPORTED_10baseT_Full
- | SUPPORTED_100baseT_Half
- | SUPPORTED_100baseT_Full
- | SUPPORTED_Autoneg | SUPPORTED_TP;
+ if (sky2_is_copper(hw)) {
+ u32 modes = SUPPORTED_10baseT_Half
+ | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half
+ | SUPPORTED_100baseT_Full
+ | SUPPORTED_Autoneg | SUPPORTED_TP;

if (hw->chip_id != CHIP_ID_YUKON_FE)
modes |= SUPPORTED_1000baseT_Half
- | SUPPORTED_1000baseT_Full;
+ | SUPPORTED_1000baseT_Full;
+ return modes;
} else
- modes = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
- | SUPPORTED_Autoneg;
- return modes;
+ return SUPPORTED_1000baseT_Half
+ | SUPPORTED_1000baseT_Full
+ | SUPPORTED_Autoneg
+ | SUPPORTED_FIBRE;
}

static int sky2_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
@@ -2457,7 +2472,7 @@ static int sky2_get_settings(struct net_
ecmd->transceiver = XCVR_INTERNAL;
ecmd->supported = sky2_supported_modes(hw);
ecmd->phy_address = PHY_ADDR_MARV;
- if (hw->copper) {
+ if (sky2_is_copper(hw)) {
ecmd->supported = SUPPORTED_10baseT_Half
| SUPPORTED_10baseT_Full
| SUPPORTED_100baseT_Half
@@ -2466,12 +2481,14 @@ static int sky2_get_settings(struct net_
| SUPPORTED_1000baseT_Full
| SUPPORTED_Autoneg | SUPPORTED_TP;
ecmd->port = PORT_TP;
- } else
+ ecmd->speed = sky2->speed;
+ } else {
+ ecmd->speed = SPEED_1000;
ecmd->port = PORT_FIBRE;
+ }

ecmd->advertising = sky2->advertising;
ecmd->autoneg = sky2->autoneg;
- ecmd->speed = sky2->speed;
ecmd->duplex = sky2->duplex;
return 0;
}
@@ -3184,6 +3201,8 @@ static int __devinit sky2_test_msi(struc
struct pci_dev *pdev = hw->pdev;
int err;

+ init_waitqueue_head (&hw->msi_wait);
+
sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW);

err = request_irq(pdev->irq, sky2_test_intr, SA_SHIRQ, DRV_NAME, hw);
@@ -3193,10 +3212,8 @@ static int __devinit sky2_test_msi(struc
return err;
}

- init_waitqueue_head (&hw->msi_wait);
-
sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ);
- wmb();
+ sky2_read8(hw, B0_CTST);

wait_event_timeout(hw->msi_wait, hw->msi_detected, HZ/10);

diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index 8a0bc55..9516c1f 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -1318,6 +1318,14 @@ enum {
};

/* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */
+/***** PHY_MARV_PHY_CTRL (page 1) 16 bit r/w Fiber Specific Ctrl *****/
+enum {
+ PHY_M_FIB_FORCE_LNK = 1<<10,/* Force Link Good */
+ PHY_M_FIB_SIGD_POL = 1<<9, /* SIGDET Polarity */
+ PHY_M_FIB_TX_DIS = 1<<3, /* Transmitter Disable */
+};
+
+/* for Yukon-2 Gigabit Ethernet PHY (88E1112 only) */
/***** PHY_MARV_PHY_CTRL (page 2) 16 bit r/w MAC Specific Ctrl *****/
enum {
PHY_M_MAC_MD_MSK = 7<<7, /* Bit 9.. 7: Mode Select Mask */
@@ -1566,7 +1574,7 @@ enum {

GMR_FS_ANY_ERR = GMR_FS_RX_FF_OV | GMR_FS_CRC_ERR |
GMR_FS_FRAGMENT | GMR_FS_LONG_ERR |
- GMR_FS_MII_ERR | GMR_FS_BAD_FC | GMR_FS_GOOD_FC |
+ GMR_FS_MII_ERR | GMR_FS_BAD_FC |
GMR_FS_UN_SIZE | GMR_FS_JABBER,
};

@@ -1879,7 +1887,7 @@ struct sky2_hw {
int pm_cap;
u8 chip_id;
u8 chip_rev;
- u8 copper;
+ u8 pmd_type;
u8 ports;

struct sky2_status_le *st_le;
@@ -1891,6 +1899,11 @@ struct sky2_hw {
wait_queue_head_t msi_wait;
};

+static inline int sky2_is_copper(const struct sky2_hw *hw)
+{
+ return !(hw->pmd_type == 'L' || hw->pmd_type == 'S' || hw->pmd_type == 'P');
+}
+
/* Register accessor for memory mapped device */
static inline u32 sky2_read32(const struct sky2_hw *hw, unsigned reg)
{
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 862c226..38b605d 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -69,8 +69,8 @@ #include "tg3.h"

#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "3.59"
-#define DRV_MODULE_RELDATE "June 8, 2006"
+#define DRV_MODULE_VERSION "3.59.1"
+#define DRV_MODULE_RELDATE "August 25, 2006"

#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
@@ -11381,11 +11381,15 @@ #if TG3_TSO_SUPPORT != 0
tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
}

- /* TSO is on by default on chips that support hardware TSO.
+ /* TSO is on by default on chips that support HW_TSO_2.
+ * Some HW_TSO_1 capable chips have bugs that can lead to
+ * tx timeouts in some cases when TSO is enabled.
* Firmware TSO on older chips gives lower performance, so it
* is off by default, but can be enabled using ethtool.
*/
- if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
+ if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
+ (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
+ tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2))
dev->features |= NETIF_F_TSO;

#endif
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index ff0faab..cd68f46 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -125,6 +125,7 @@ #define CHIPREV_ID_5705_A3 0x3003
#define CHIPREV_ID_5750_A0 0x4000
#define CHIPREV_ID_5750_A1 0x4001
#define CHIPREV_ID_5750_A3 0x4003
+#define CHIPREV_ID_5750_C2 0x4202
#define CHIPREV_ID_5752_A0_HW 0x5000
#define CHIPREV_ID_5752_A0 0x6000
#define CHIPREV_ID_5752_A1 0x6001
diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c
index f7b77ce..54fe4e4 100644
--- a/drivers/net/wireless/spectrum_cs.c
+++ b/drivers/net/wireless/spectrum_cs.c
@@ -245,7 +245,7 @@ spectrum_reset(struct pcmcia_device *lin
u_int save_cor;

/* Doing it if hardware is gone is guaranteed crash */
- if (pcmcia_dev_present(link))
+ if (!pcmcia_dev_present(link))
return -ENODEV;

/* Save original COR value */
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 27909bc..5f44354 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -264,7 +264,7 @@ static void uhci_fixup_toggles(struct uh
* need to change any toggles in this URB */
td = list_entry(urbp->td_list.next, struct uhci_td, list);
if (toggle > 1 || uhci_toggle(td_token(td)) == toggle) {
- td = list_entry(urbp->td_list.next, struct uhci_td,
+ td = list_entry(urbp->td_list.prev, struct uhci_td,
list);
toggle = uhci_toggle(td_token(td)) ^ 1;

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 537893a..997a202 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -86,7 +86,7 @@ static struct linux_binfmt elf_format =
.min_coredump = ELF_EXEC_PAGESIZE
};

-#define BAD_ADDR(x) ((unsigned long)(x) > TASK_SIZE)
+#define BAD_ADDR(x) ((unsigned long)(x) >= TASK_SIZE)

static int set_brk(unsigned long start, unsigned long end)
{
@@ -389,7 +389,7 @@ static unsigned long load_elf_interp(str
* <= p_memsize so it is only necessary to check p_memsz.
*/
k = load_addr + eppnt->p_vaddr;
- if (k > TASK_SIZE || eppnt->p_filesz > eppnt->p_memsz ||
+ if (BAD_ADDR(k) || eppnt->p_filesz > eppnt->p_memsz ||
eppnt->p_memsz > TASK_SIZE || TASK_SIZE - eppnt->p_memsz < k) {
error = -ENOMEM;
goto out_close;
@@ -876,7 +876,7 @@ static int load_elf_binary(struct linux_
* allowed task size. Note that p_filesz must always be
* <= p_memsz so it is only necessary to check p_memsz.
*/
- if (k > TASK_SIZE || elf_ppnt->p_filesz > elf_ppnt->p_memsz ||
+ if (BAD_ADDR(k) || elf_ppnt->p_filesz > elf_ppnt->p_memsz ||
elf_ppnt->p_memsz > TASK_SIZE ||
TASK_SIZE - elf_ppnt->p_memsz < k) {
/* set_brk can never work. Avoid overflows. */
@@ -930,10 +930,9 @@ static int load_elf_binary(struct linux_
interpreter,
&interp_load_addr);
if (BAD_ADDR(elf_entry)) {
- printk(KERN_ERR "Unable to load interpreter %.128s\n",
- elf_interpreter);
force_sig(SIGSEGV, current);
- retval = -ENOEXEC; /* Nobody gets to see this, but.. */
+ retval = IS_ERR((void *)elf_entry) ?
+ (int)elf_entry : -EINVAL;
goto out_free_dentry;
}
reloc_func_desc = interp_load_addr;
@@ -944,8 +943,8 @@ static int load_elf_binary(struct linux_
} else {
elf_entry = loc->elf_ex.e_entry;
if (BAD_ADDR(elf_entry)) {
- send_sig(SIGSEGV, current, 0);
- retval = -ENOEXEC; /* Nobody gets to see this, but.. */
+ force_sig(SIGSEGV, current);
+ retval = -EINVAL;
goto out_free_dentry;
}
}
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 7e30bae..e51d1a8 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -252,6 +252,46 @@ #ifdef CONFIG_QUOTA
#endif
};

+static struct dentry *ext2_get_dentry(struct super_block *sb, void *vobjp)
+{
+ __u32 *objp = vobjp;
+ unsigned long ino = objp[0];
+ __u32 generation = objp[1];
+ struct inode *inode;
+ struct dentry *result;
+
+ if (ino != EXT2_ROOT_INO && ino < EXT2_FIRST_INO(sb))
+ return ERR_PTR(-ESTALE);
+ if (ino > le32_to_cpu(EXT2_SB(sb)->s_es->s_inodes_count))
+ return ERR_PTR(-ESTALE);
+
+ /* iget isn't really right if the inode is currently unallocated!!
+ * ext2_read_inode currently does appropriate checks, but
+ * it might be "neater" to call ext2_get_inode first and check
+ * if the inode is valid.....
+ */
+ inode = iget(sb, ino);
+ if (inode == NULL)
+ return ERR_PTR(-ENOMEM);
+ if (is_bad_inode(inode)
+ || (generation && inode->i_generation != generation)
+ ) {
+ /* we didn't find the right inode.. */
+ iput(inode);
+ return ERR_PTR(-ESTALE);
+ }
+ /* now to find a dentry.
+ * If possible, get a well-connected one
+ */
+ result = d_alloc_anon(inode);
+ if (!result) {
+ iput(inode);
+ return ERR_PTR(-ENOMEM);
+ }
+ return result;
+}
+
+
/* Yes, most of these are left as NULL!!
* A NULL value implies the default, which works with ext2-like file
* systems, but can be improved upon.
@@ -259,6 +299,7 @@ #endif
*/
static struct export_operations ext2_export_ops = {
.get_parent = ext2_get_parent,
+ .get_dentry = ext2_get_dentry,
};

static unsigned long get_sb_block(void **data)
diff --git a/fs/locks.c b/fs/locks.c
index ab61a8b..529a0ed 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1389,8 +1389,9 @@ static int __setlease(struct file *filp,
if (!leases_enable)
goto out;

- error = lease_alloc(filp, arg, &fl);
- if (error)
+ error = -ENOMEM;
+ fl = locks_alloc_lock();
+ if (fl == NULL)
goto out;

locks_copy_lock(fl, lease);
@@ -1398,6 +1399,7 @@ static int __setlease(struct file *filp,
locks_insert_lock(before, fl);

*flp = fl;
+ error = 0;
out:
return error;
}
diff --git a/include/asm-ia64/mman.h b/include/asm-ia64/mman.h
index df1b20e..b242f95 100644
--- a/include/asm-ia64/mman.h
+++ b/include/asm-ia64/mman.h
@@ -9,10 +9,12 @@ #define _ASM_IA64_MMAN_H
*/

#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
#define arch_mmap_check ia64_map_check_rgn
int ia64_map_check_rgn(unsigned long addr, unsigned long len,
unsigned long flags);
#endif
+#endif

#include <asm-generic/mman.h>

diff --git a/include/asm-ia64/sn/xp.h b/include/asm-ia64/sn/xp.h
index 9bd2f9b..6f807e0 100644
--- a/include/asm-ia64/sn/xp.h
+++ b/include/asm-ia64/sn/xp.h
@@ -60,23 +60,37 @@ #define XP_NASID_MASK_WORDS ((XP_MAX_PHY
* the bte_copy() once in the hope that the failure was due to a temporary
* aberration (i.e., the link going down temporarily).
*
- * See bte_copy for definition of the input parameters.
+ * src - physical address of the source of the transfer.
+ * vdst - virtual address of the destination of the transfer.
+ * len - number of bytes to transfer from source to destination.
+ * mode - see bte_copy() for definition.
+ * notification - see bte_copy() for definition.
*
* Note: xp_bte_copy() should never be called while holding a spinlock.
*/
static inline bte_result_t
-xp_bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
+xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification)
{
bte_result_t ret;
+ u64 pdst = ia64_tpa(vdst);


- ret = bte_copy(src, dest, len, mode, notification);
+ /*
+ * Ensure that the physically mapped memory is contiguous.
+ *
+ * We do this by ensuring that the memory is from region 7 only.
+ * If the need should arise to use memory from one of the other
+ * regions, then modify the BUG_ON() statement to ensure that the
+ * memory from that region is always physically contiguous.
+ */
+ BUG_ON(REGION_NUMBER(vdst) != RGN_KERNEL);

+ ret = bte_copy(src, pdst, len, mode, notification);
if (ret != BTE_SUCCESS) {
if (!in_interrupt()) {
cond_resched();
}
- ret = bte_copy(src, dest, len, mode, notification);
+ ret = bte_copy(src, pdst, len, mode, notification);
}

return ret;
diff --git a/include/asm-ia64/sn/xpc.h b/include/asm-ia64/sn/xpc.h
index aa3b8ac..b454ad4 100644
--- a/include/asm-ia64/sn/xpc.h
+++ b/include/asm-ia64/sn/xpc.h
@@ -684,7 +684,9 @@ extern struct xpc_vars *xpc_vars;
extern struct xpc_rsvd_page *xpc_rsvd_page;
extern struct xpc_vars_part *xpc_vars_part;
extern struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
-extern char xpc_remote_copy_buffer[];
+extern char *xpc_remote_copy_buffer;
+extern void *xpc_remote_copy_buffer_base;
+extern void *xpc_kmalloc_cacheline_aligned(size_t, gfp_t, void **);
extern struct xpc_rsvd_page *xpc_rsvd_page_init(void);
extern void xpc_allow_IPI_ops(void);
extern void xpc_restrict_IPI_ops(void);
diff --git a/include/linux/netfilter_bridge.h b/include/linux/netfilter_bridge.h
index a75b84b..178a97e 100644
--- a/include/linux/netfilter_bridge.h
+++ b/include/linux/netfilter_bridge.h
@@ -47,18 +47,26 @@ #define BRNF_DONT_TAKE_PARENT 0x04
#define BRNF_BRIDGED 0x08
#define BRNF_NF_BRIDGE_PREROUTING 0x10

-
/* Only used in br_forward.c */
-static inline
-void nf_bridge_maybe_copy_header(struct sk_buff *skb)
+static inline int nf_bridge_maybe_copy_header(struct sk_buff *skb)
{
+ int err;
+
if (skb->nf_bridge) {
if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
+ err = skb_cow(skb, 18);
+ if (err)
+ return err;
memcpy(skb->data - 18, skb->nf_bridge->data, 18);
skb_push(skb, 4);
- } else
+ } else {
+ err = skb_cow(skb, 16);
+ if (err)
+ return err;
memcpy(skb->data - 16, skb->nf_bridge->data, 16);
+ }
}
+ return 0;
}

/* This is called by the IP fragmenting code and it ensures there is
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 2c31bb0..a1ce843 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1009,6 +1009,21 @@ static inline int pskb_trim(struct sk_bu
}

/**
+ * pskb_trim_unique - remove end from a paged unique (not cloned) buffer
+ * @skb: buffer to alter
+ * @len: new length
+ *
+ * This is identical to pskb_trim except that the caller knows that
+ * the skb is not cloned so we should never get an error due to out-
+ * of-memory.
+ */
+static inline void pskb_trim_unique(struct sk_buff *skb, unsigned int len)
+{
+ int err = pskb_trim(skb, len);
+ BUG_ON(err);
+}
+
+/**
* skb_orphan - orphan a buffer
* @skb: buffer to orphan
*
diff --git a/kernel/futex.c b/kernel/futex.c
index 5699c51..225af28 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -593,6 +593,7 @@ static int unqueue_me(struct futex_q *q)
/* In the common case we don't take the spinlock, which is nice. */
retry:
lock_ptr = q->lock_ptr;
+ barrier();
if (lock_ptr != 0) {
spin_lock(lock_ptr);
/*
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index dcfb5d7..51cacd1 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -111,7 +111,6 @@ static int stop_machine(void)
/* If some failed, kill them all. */
if (ret < 0) {
stopmachine_set_state(STOPMACHINE_EXIT);
- up(&stopmachine_mutex);
return ret;
}

diff --git a/lib/ts_bm.c b/lib/ts_bm.c
index c4c1ac5..7917265 100644
--- a/lib/ts_bm.c
+++ b/lib/ts_bm.c
@@ -112,15 +112,14 @@ static int subpattern(u8 *pattern, int i
return ret;
}

-static void compute_prefix_tbl(struct ts_bm *bm, const u8 *pattern,
- unsigned int len)
+static void compute_prefix_tbl(struct ts_bm *bm)
{
int i, j, g;

for (i = 0; i < ASIZE; i++)
- bm->bad_shift[i] = len;
- for (i = 0; i < len - 1; i++)
- bm->bad_shift[pattern[i]] = len - 1 - i;
+ bm->bad_shift[i] = bm->patlen;
+ for (i = 0; i < bm->patlen - 1; i++)
+ bm->bad_shift[bm->pattern[i]] = bm->patlen - 1 - i;

/* Compute the good shift array, used to match reocurrences
* of a subpattern */
@@ -151,8 +150,8 @@ static struct ts_config *bm_init(const v
bm = ts_config_priv(conf);
bm->patlen = len;
bm->pattern = (u8 *) bm->good_shift + prefix_tbl_len;
- compute_prefix_tbl(bm, pattern, len);
memcpy(bm->pattern, pattern, len);
+ compute_prefix_tbl(bm);

return conf;
}
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 56f3aa4..ddb7e1c 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -43,11 +43,15 @@ int br_dev_queue_push_xmit(struct sk_buf
else {
#ifdef CONFIG_BRIDGE_NETFILTER
/* ip_refrag calls ip_fragment, doesn't copy the MAC header. */
- nf_bridge_maybe_copy_header(skb);
+ if (nf_bridge_maybe_copy_header(skb))
+ kfree_skb(skb);
+ else
#endif
- skb_push(skb, ETH_HLEN);
+ {
+ skb_push(skb, ETH_HLEN);

- dev_queue_xmit(skb);
+ dev_queue_xmit(skb);
+ }
}

return 0;
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index c23e9c0..b916b7f 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2149,6 +2149,8 @@ static struct sk_buff *fill_packet_ipv4(
skb->mac.raw = ((u8 *) iph) - 14 - pkt_dev->nr_labels*sizeof(u32);
skb->dev = odev;
skb->pkt_type = PACKET_HOST;
+ skb->nh.iph = iph;
+ skb->h.uh = udph;

if (pkt_dev->nfrags <= 0)
pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
@@ -2460,6 +2462,8 @@ static struct sk_buff *fill_packet_ipv6(
skb->protocol = protocol;
skb->dev = odev;
skb->pkt_type = PACKET_HOST;
+ skb->nh.ipv6h = iph;
+ skb->h.uh = udph;

if (pkt_dev->nfrags <= 0)
pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index cff9c3a..d987a27 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -946,7 +946,7 @@ alloc_new_skb:
skb_prev->csum = csum_sub(skb_prev->csum,
skb->csum);
data += fraggap;
- skb_trim(skb_prev, maxfraglen);
+ pskb_trim_unique(skb_prev, maxfraglen);
}

copy = datalen - transhdrlen - fraggap;
@@ -1139,7 +1139,7 @@ ssize_t ip_append_page(struct sock *sk,
data, fraggap, 0);
skb_prev->csum = csum_sub(skb_prev->csum,
skb->csum);
- skb_trim(skb_prev, maxfraglen);
+ pskb_trim_unique(skb_prev, maxfraglen);
}

/*
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index f33c9dd..e0657b9 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -197,6 +197,7 @@ void tcp_select_initial_window(int __spa
* See RFC1323 for an explanation of the limit to 14
*/
space = max_t(u32, sysctl_tcp_rmem[2], sysctl_rmem_max);
+ space = min_t(u32, space, *window_clamp);
while (space > 65535 && (*rcv_wscale) < 14) {
space >>= 1;
(*rcv_wscale)++;
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index a18d425..9ca783d 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -635,14 +635,17 @@ ipv6_renew_options(struct sock *sk, stru
struct ipv6_txoptions *opt2;
int err;

- if (newtype != IPV6_HOPOPTS && opt->hopopt)
- tot_len += CMSG_ALIGN(ipv6_optlen(opt->hopopt));
- if (newtype != IPV6_RTHDRDSTOPTS && opt->dst0opt)
- tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst0opt));
- if (newtype != IPV6_RTHDR && opt->srcrt)
- tot_len += CMSG_ALIGN(ipv6_optlen(opt->srcrt));
- if (newtype != IPV6_DSTOPTS && opt->dst1opt)
- tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst1opt));
+ if (opt) {
+ if (newtype != IPV6_HOPOPTS && opt->hopopt)
+ tot_len += CMSG_ALIGN(ipv6_optlen(opt->hopopt));
+ if (newtype != IPV6_RTHDRDSTOPTS && opt->dst0opt)
+ tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst0opt));
+ if (newtype != IPV6_RTHDR && opt->srcrt)
+ tot_len += CMSG_ALIGN(ipv6_optlen(opt->srcrt));
+ if (newtype != IPV6_DSTOPTS && opt->dst1opt)
+ tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst1opt));
+ }
+
if (newopt && newoptlen)
tot_len += CMSG_ALIGN(newoptlen);

@@ -659,25 +662,25 @@ ipv6_renew_options(struct sock *sk, stru
opt2->tot_len = tot_len;
p = (char *)(opt2 + 1);

- err = ipv6_renew_option(opt->hopopt, newopt, newoptlen,
+ err = ipv6_renew_option(opt ? opt->hopopt : NULL, newopt, newoptlen,
newtype != IPV6_HOPOPTS,
&opt2->hopopt, &p);
if (err)
goto out;

- err = ipv6_renew_option(opt->dst0opt, newopt, newoptlen,
+ err = ipv6_renew_option(opt ? opt->dst0opt : NULL, newopt, newoptlen,
newtype != IPV6_RTHDRDSTOPTS,
&opt2->dst0opt, &p);
if (err)
goto out;

- err = ipv6_renew_option(opt->srcrt, newopt, newoptlen,
+ err = ipv6_renew_option(opt ? opt->srcrt : NULL, newopt, newoptlen,
newtype != IPV6_RTHDR,
- (struct ipv6_opt_hdr **)opt2->srcrt, &p);
+ (struct ipv6_opt_hdr **)&opt2->srcrt, &p);
if (err)
goto out;

- err = ipv6_renew_option(opt->dst1opt, newopt, newoptlen,
+ err = ipv6_renew_option(opt ? opt->dst1opt : NULL, newopt, newoptlen,
newtype != IPV6_DSTOPTS,
&opt2->dst1opt, &p);
if (err)
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index e460489..56eddb3 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1047,7 +1047,7 @@ alloc_new_skb:
skb_prev->csum = csum_sub(skb_prev->csum,
skb->csum);
data += fraggap;
- skb_trim(skb_prev, maxfraglen);
+ pskb_trim_unique(skb_prev, maxfraglen);
}
copy = datalen - transhdrlen - fraggap;
if (copy < 0) {
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 600eb59..5b1c837 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1246,9 +1246,13 @@ SCTP_STATIC void sctp_close(struct sock
}
}

- if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)
- sctp_primitive_ABORT(asoc, NULL);
- else
+ if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) {
+ struct sctp_chunk *chunk;
+
+ chunk = sctp_make_abort_user(asoc, NULL, 0);
+ if (chunk)
+ sctp_primitive_ABORT(asoc, chunk);
+ } else
sctp_primitive_SHUTDOWN(asoc, NULL);
}

-
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