mirror of https://gitee.com/openkylin/linux.git
cbe97414c2
Performing vma lookups without taking the mm->mmap_sem is asking for trouble. While doing the search, the vma in question can be modified or even removed before returning to the caller. Take the lock (exclusively) in order to avoid races while iterating through the vmacache and/or rbtree. Signed-off-by: Jonathan Gonzalez V <zeus@gnu.org> Signed-off-by: Davidlohr Bueso <davidlohr@hp.com> Cc: Inki Dae <inki.dae@samsung.com> Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: David Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|---|---|---|
| .. | ||
| drm | ||
| host1x | ||
| vga | ||
| Makefile | ||