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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Conflicts:
	drivers/net/ethernet/renesas/ravb_main.c
	kernel/bpf/syscall.c
	net/ipv4/ipmr.c

All three conflicts were cases of overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2015-12-03 21:03:21 -05:00
parent 6b20da4d8f 071f5d105a
commit f188b951f3
651 changed files with 9756 additions and 4835 deletions
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50
kernel/bpf/syscall.c
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@@ -82,6 +82,14 @@ static void bpf_map_free_deferred(struct work_struct *work)
map->ops->map_free(map);
}
static void bpf_map_put_uref(struct bpf_map *map)
{
if (atomic_dec_and_test(&map->usercnt)) {
if (map->map_type == BPF_MAP_TYPE_PROG_ARRAY)
bpf_fd_array_map_clear(map);
}
}
/* decrement map refcnt and schedule it for freeing via workqueue
* (unrelying map implementation ops->map_free() might sleep)
*/
@@ -93,6 +101,18 @@ void bpf_map_put(struct bpf_map *map)
}
}
void bpf_map_put_with_uref(struct bpf_map *map)
{
bpf_map_put_uref(map);
bpf_map_put(map);
}
static int bpf_map_release(struct inode *inode, struct file *filp)
{
bpf_map_put_with_uref(filp->private_data);
return 0;
}
#ifdef CONFIG_PROC_FS
static void bpf_map_show_fdinfo(struct seq_file *m, struct file *filp)
{
@@ -110,20 +130,6 @@ static void bpf_map_show_fdinfo(struct seq_file *m, struct file *filp)
}
#endif
static int bpf_map_release(struct inode *inode, struct file *filp)
{
struct bpf_map *map = filp->private_data;
if (map->map_type == BPF_MAP_TYPE_PROG_ARRAY)
/* prog_array stores refcnt-ed bpf_prog pointers
* release them all when user space closes prog_array_fd
*/
bpf_fd_array_map_clear(map);
bpf_map_put(map);
return 0;
}
static const struct file_operations bpf_map_fops = {
#ifdef CONFIG_PROC_FS
.show_fdinfo = bpf_map_show_fdinfo,
@@ -162,6 +168,7 @@ static int map_create(union bpf_attr *attr)
return PTR_ERR(map);
atomic_set(&map->refcnt, 1);
atomic_set(&map->usercnt, 1);
err = bpf_map_charge_memlock(map);
if (err)
@@ -194,7 +201,14 @@ struct bpf_map *__bpf_map_get(struct fd f)
return f.file->private_data;
}
struct bpf_map *bpf_map_get(u32 ufd)
void bpf_map_inc(struct bpf_map *map, bool uref)
{
atomic_inc(&map->refcnt);
if (uref)
atomic_inc(&map->usercnt);
}
struct bpf_map *bpf_map_get_with_uref(u32 ufd)
{
struct fd f = fdget(ufd);
struct bpf_map *map;
@@ -203,7 +217,7 @@ struct bpf_map *bpf_map_get(u32 ufd)
if (IS_ERR(map))
return map;
atomic_inc(&map->refcnt);
bpf_map_inc(map, true);
fdput(f);
return map;
@@ -246,7 +260,7 @@ static int map_lookup_elem(union bpf_attr *attr)
goto free_key;
err = -ENOMEM;
value = kmalloc(map->value_size, GFP_USER);
value = kmalloc(map->value_size, GFP_USER | __GFP_NOWARN);
if (!value)
goto free_key;
@@ -305,7 +319,7 @@ static int map_update_elem(union bpf_attr *attr)
goto free_key;
err = -ENOMEM;
value = kmalloc(map->value_size, GFP_USER);
value = kmalloc(map->value_size, GFP_USER | __GFP_NOWARN);
if (!value)
goto free_key;