]> git.kernelconcepts.de Git - karo-tx-linux.git/commit
projects / karo-tx-linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: a79c30e) | patch
mm_for_maps: shift down_read(mmap_sem) to the caller
authorOleg Nesterov <oleg@redhat.com>
Fri, 10 Jul 2009 01:27:38 +0000 (03:27 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Sun, 16 Aug 2009 21:27:35 +0000 (14:27 -0700)
commit60634e4b830850bb38016f1e6a7a7358eba8118c
tree48762263e12695b03519922263c80625c7c60cf8tree | snapshot
parenta79c30e57c0eac03aae8be4649958f8592141d20commit | diff
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>
fs/proc/base.c diff | blob | history
fs/proc/task_mmu.c diff | blob | history
fs/proc/task_nommu.c diff | blob | history
Linux kernel for KaRo TX COM modules