| commit | 17dc3e97d6d51df33cb6e35fabb62b91ef14cf2c | |
| author | Oleg Nesterov <oleg@redhat.com> | |
| Fri, 10 Jul 2009 01:27:38 +0000 (10 03:27 +0200) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Sun, 16 Aug 2009 21:19:13 +0000 (16 14:19 -0700) | ||
| tree | 756968feee8f64e4d44264a3c0adfdd6eeae7cd9 | treesnapshot (tar.gz zip) |
| parent | 95d7e670e3158b6a52a8279290a0d6f7047250b4 | commitdiff |
mm_for_maps: shift down_read(mmap_sem) to the caller
commit 00f89d218523b9bf6b522349c039d5ac80aa536d upstream.
mm_for_maps() takes ->mmap_sem after security checks, this looks
strange and obfuscates the locking rules. Move this lock to its
single caller, m_start().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
commit 00f89d218523b9bf6b522349c039d5ac80aa536d upstream.
mm_for_maps() takes ->mmap_sem after security checks, this looks
strange and obfuscates the locking rules. Move this lock to its
single caller, m_start().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| fs/proc/base.c | diffblobblamehistory | |
| fs/proc/task_mmu.c | diffblobblamehistory | |
| fs/proc/task_nommu.c | diffblobblamehistory |