Jan Beulich ae5758a1a7 procfs: also fix proc_reg_get_unmapped_area() for !MMU case ...

Commit fad1a86e25e0 ("procfs: call default get_unmapped_area on
MMU-present architectures"), as its title says, took care of only the
MMU case, leaving the !MMU side still in the regressed state (returning
-EIO in all cases where pde->proc_fops->get_unmapped_area is NULL).

From the fad1a86e25e0 changelog:

 "Commit c4fe24485729 ("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"

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: <stable@vger.kernel.org>	[3.12.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2013-12-12 18:19:26 -08:00

..

array.c

sched/numa: Report a NUMA task group ID

2013-10-09 14:47:49 +02:00

base.c

audit: allow unsetting the loginuid (with priv)

2013-11-05 11:08:09 -05:00

cmdline.c

proc: switch /proc/cmdline to seq_file

2008-10-23 14:29:04 +04:00

consoles.c

seq_file: remove "%n" usage from seq_file users

2013-11-15 09:32:20 +09:00

cpuinfo.c

proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c

2008-10-23 15:05:11 +04:00

devices.c

proc: use seq_puts()/seq_putc() where possible

2011-01-13 08:03:16 -08:00

fd.c

proc: make proc_fd_permission() thread-friendly

2013-09-11 15:59:03 -07:00

fd.h

proc: Move proc_fd() to fs/proc/fd.h

2013-05-01 17:29:39 -04:00

generic.c

consolidate simple ->d_delete() instances

2013-11-15 22:04:17 -05:00

inode.c

procfs: also fix proc_reg_get_unmapped_area() for !MMU case

2013-12-12 18:19:26 -08:00

internal.h

proc_fill_cache(): just make instantiate_t return int

2013-06-29 12:57:18 +04:00

interrupts.c

proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c

2008-10-23 15:15:46 +04:00

Kconfig

kcore: add Kconfig help text

2013-11-13 12:09:33 +09:00

kcore.c

mm: use pgdat_end_pfn() to simplify the code in others

2013-11-13 12:09:03 +09:00

kmsg.c

kmsg: honor dmesg_restrict sysctl on /dev/kmsg

2013-06-12 16:29:44 -07:00

loadavg.c

sched, timers: cleanup avenrun users

2009-05-15 15:32:45 +02:00

Makefile

mm, vmalloc: move get_vmalloc_info() to vmalloc.c

2013-04-29 15:54:33 -07:00

meminfo.c

mm, hugetlb: convert hugetlbfs to use split pmd lock

2013-11-15 09:32:14 +09:00

namespaces.c

consolidate simple ->d_delete() instances

2013-11-15 22:04:17 -05:00

nommu.c

seq_file: remove "%n" usage from seq_file users

2013-11-15 09:32:20 +09:00

page.c

kpageflags: fix wrong KPF_THP on non-huge compound pages

2012-10-09 16:23:00 +09:00

proc_devtree.c

of: remove HAVE_ARCH_DEVTREE_FIXUPS

2013-10-09 20:04:08 -05:00

proc_net.c

[readdir] convert procfs

2013-06-29 12:56:32 +04:00

proc_sysctl.c

Don't pass inode to ->d_hash() and ->d_compare()

2013-06-29 12:57:36 +04:00

proc_tty.c

proc: use seq_puts()/seq_putc() where possible

2011-01-13 08:03:16 -08:00

root.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2013-09-07 14:35:32 -07:00

self.c

new helper: kfree_put_link()

2013-10-24 23:34:49 -04:00

softirqs.c

proc: use seq_puts()/seq_putc() where possible

2011-01-13 08:03:16 -08:00

stat.c

stat: Use size_t for sizes instead of unsigned

2013-02-01 12:32:08 +02:00

task_mmu.c

seq_file: remove "%n" usage from seq_file users

2013-11-15 09:32:20 +09:00

task_nommu.c

seq_file: remove "%n" usage from seq_file users

2013-11-15 09:32:20 +09:00

uptime.c

fs/proc/uptime.c:uptime_proc_show(): use get_monotonic_boottime()

2013-07-03 16:08:02 -07:00

version.c

proc: switch /proc/version to seq_file

2008-10-23 14:19:58 +04:00

vmcore.c

vmcore: enable /proc/vmcore mmap for s390

2013-09-11 15:59:14 -07:00