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fad1a86e25
linux/fs
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HATAYAMA Daisuke fad1a86e25 procfs: call default get_unmapped_area on MMU-present architectures 
Commit c4fe244857 ("sparc: fix PCI device proc file mmap(2)") added
proc_reg_get_unmapped_area in proc_reg_file_ops and
proc_reg_file_ops_no_compat, by which now mmap always returns EIO if
get_unmapped_area method is not defined for the target procfs file,
which causes regression of mmap on /proc/vmcore.

To address this issue, like get_unmapped_area(), call default
current->mm->get_unmapped_area on MMU-present architectures if
pde->proc_fops->get_unmapped_area, i.e.  the one in actual file
operation in the procfs file, is not defined.

Reported-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Tested-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-10-16 21:35:53 -07:00
..
9p 9p: don't forget to destroy inode cache if fscache registration fails 2013-09-17 22:31:01 -04:00
adfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
affs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
afs afs: dget_parent() can't return a negative dentry 2013-09-29 22:02:24 -04:00
autofs4 autofs4: close the races around autofs4_notify_daemon() 2013-09-16 19:16:38 -04:00
befs
bfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
btrfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2013-10-12 12:54:24 -07:00
cachefiles CacheFiles: Don't try to dump the index key if the cookie has been cleared 2013-09-20 15:15:43 -07:00
ceph ceph: use d_invalidate() to invalidate aliases 2013-09-06 12:55:29 -07:00
cifs Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6 2013-10-04 20:50:16 -07:00
coda
configfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-07-14 11:42:26 -07:00
cramfs
debugfs debugfs: debugfs_remove_recursive() must not rely on list_empty(d_subdirs) 2013-07-31 12:16:31 -04:00
devpts
dlm dlm: remove signal blocking 2013-08-12 15:22:43 -05:00
ecryptfs ecryptfs: avoid ctx initialization race 2013-09-06 16:58:18 -07:00
efivarfs efivarfs: we can use simple_lookup() now 2013-07-14 17:48:35 +04:00
efs efs: iget_locked() doesn't return an ERR_PTR() 2013-08-24 12:10:22 -04:00
exofs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
exportfs exportfs: don't assume that ->iterate() won't feed us too long entries 2013-09-07 19:54:55 -04:00
ext2 truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
ext3 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 2013-09-06 09:06:02 -07:00
ext4 A bug fix and performance regression fix for ext4. 2013-10-12 12:55:15 -07:00
f2fs f2fs: optimize gc for better performance 2013-09-05 13:50:32 +09:00
fat truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
freevxfs
fscache Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2013-09-19 12:50:37 -05:00
fuse fuse: no RCU mode in fuse_access() 2013-10-01 16:41:23 +02:00
gfs2 gfs2: set FILE_CREATED 2013-09-16 19:17:24 -04:00
hfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
hfsplus truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
hostfs um: hostfs: Fix writeback 2013-09-07 10:38:29 +02:00
hpfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
hppfs
hugetlbfs cope with potentially long ->d_dname() output for shmem/hugetlb 2013-08-24 12:10:17 -04:00
isofs isofs: Refuse RW mount of the filesystem instead of making it RO 2013-07-31 22:14:50 +02:00
jbd jbd: use a single printk for jbd_debug() 2013-08-09 10:49:00 +02:00
jbd2 jbd2: Fix endian mixing problems in the checksumming code 2013-08-28 14:59:58 -04:00
jffs2
jfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
lockd LOCKD: Don't call utsname()->nodename from nlmclnt_setlockargs 2013-08-05 15:03:46 -04:00
logfs
minix truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
ncpfs
nfs NFS: Give "flavor" an initial value to fix a compile warning 2013-09-29 16:03:34 -04:00
nfs_common
nfsd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-09-12 15:01:38 -07:00
nilfs2 nilfs2: fix issue with race condition of competition between segments for dirty blocks 2013-09-30 14:31:02 -07:00
nls
notify
ntfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
ocfs2 ocfs2: needs ->d_lock to poke in ->d_parent->d_inode from ->d_revalidate() 2013-09-29 22:02:20 -04:00
omfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
openpromfs
proc procfs: call default get_unmapped_area on MMU-present architectures 2013-10-16 21:35:53 -07:00
pstore pstore: Remove the messages related to compression failure 2013-09-16 09:28:29 -07:00
qnx4
qnx6
quota fs: convert fs shrinkers to new scan/count API 2013-09-10 18:56:31 -04:00
ramfs initmpfs: move rootfs code from fs/ramfs/ to init/ 2013-09-11 15:59:37 -07:00
reiserfs reiserfs: fix race with flush_used_journal_lists and flush_journal_list 2013-09-24 11:24:21 +02:00
romfs
squashfs Squashfs: add corruption check for type in squashfs_readdir() 2013-09-06 04:57:54 +01:00
sysfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-09-07 14:36:57 -07:00
sysv sysv: Add forgotten superblock lock init for v7 fs 2013-09-29 22:02:02 -04:00
ubifs Just one patch which fixes the power-cut recovery testing mode. 2013-09-16 15:36:55 -04:00
udf udf: Fortify LVID loading 2013-09-24 11:23:33 +02:00
ufs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
xfs xfs: Use kmem_free() instead of free() 2013-10-04 13:56:12 -05:00
aio.c aio: fix use-after-free in aio_migratepage 2013-09-26 20:34:51 -04:00
anon_inodes.c fs/anon_inode: Introduce a new lib function anon_inode_getfile_private() 2013-07-16 09:32:17 -04:00
attr.c
bad_inode.c
binfmt_aout.c mm: remove free_area_cache 2013-07-10 18:11:34 -07:00
binfmt_elf_fdpic.c
binfmt_elf.c fs/binfmt_elf.c: prevent a coredump with a large vm_map_count from Oopsing 2013-09-30 14:31:01 -07:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
binfmt_som.c
bio-integrity.c Merge branch 'for-3.12/core' of git://git.kernel.dk/linux-block 2013-09-22 15:00:11 -07:00
bio.c block: Fix bio_copy_data() 2013-09-24 14:41:42 -07:00
block_dev.c a trivial writeback fix 2013-09-13 23:06:40 -04:00
buffer.c fs: buffer: move allocation failure loop into the allocator 2013-10-16 21:35:53 -07:00
char_dev.c
compat_binfmt_elf.c
compat_ioctl.c
compat.c
coredump.c coredump: add new %P variable in core_pattern 2013-09-11 15:59:01 -07:00
coredump.h
dcache.c vfs: fix typo in comment in recent dentry work 2013-09-15 07:11:01 -04:00
dcookies.c
direct-io.c direct-io: Use return from cmpxchg to decide of assignment happened 2013-09-09 10:47:42 -07:00
drop_caches.c shrinker: add node awareness 2013-09-10 18:56:31 -04:00
eventfd.c
eventpoll.c epoll: add a reschedule point in ep_free() 2013-09-11 15:58:50 -07:00
exec.c exec: cleanup the error handling in search_binary_handler() 2013-09-11 15:59:09 -07:00
fcntl.c vfs: add missing check for __O_TMPFILE in fcntl_init() 2013-08-05 18:25:32 +04:00
fhandle.c
file_table.c fs/file_table.c:fput(): make comment more truthful 2013-09-11 15:59:01 -07:00
file.c
filesystems.c
fs_struct.c
fs-writeback.c a trivial writeback fix 2013-09-13 23:06:40 -04:00
generic_acl.c
inode.c fs: convert inode and dentry shrinking to be node aware 2013-09-10 18:56:31 -04:00
internal.h fs: convert inode and dentry shrinking to be node aware 2013-09-10 18:56:31 -04:00
ioctl.c
ioprio.c
Kconfig
Kconfig.binfmt
libfs.c make simple_lookup() usable for filesystems that set ->s_d_op 2013-07-14 17:43:25 +04:00
locks.c
Makefile
mbcache.c fs: convert fs shrinkers to new scan/count API 2013-09-10 18:56:31 -04:00
mount.h
mpage.c
namei.c atomic_open: take care of EEXIST in no-open case with O_CREAT|O_EXCL in fs/namei.c 2013-09-17 17:08:50 -04:00
namespace.c initmpfs: move rootfs code from fs/ramfs/ to init/ 2013-09-11 15:59:37 -07:00
no-block.c
open.c vfs: improve i_op->atomic_open() documentation 2013-09-16 19:17:24 -04:00
pipe.c
pnode.c
pnode.h vfs: Don't copy mount bind mounts of /proc/<pid>/ns/mnt between namespaces 2013-08-26 18:42:15 -07:00
posix_acl.c
proc_namespace.c
read_write.c aio: Kill aio_rw_vect_retry() 2013-07-30 11:53:12 -04:00
readdir.c
select.c net: rename include/net/ll_poll.h to include/net/busy_poll.h 2013-07-10 17:08:27 -07:00
seq_file.c
signalfd.c
splice.c
stack.c
stat.c quota: provide interface for readding allocated space into reserved space 2013-08-17 09:32:32 -04:00
statfs.c vfs: allow O_PATH file descriptors for fstatfs() 2013-10-12 13:12:31 -07:00
super.c fs/super.c: fix lru_list leak for real 2013-10-01 13:11:21 -04:00
sync.c
timerfd.c
utimes.c
xattr_acl.c
xattr.c