Commit-ID: 89133786f9408d53361874a8c784fff150fc7f7c Gitweb: http://git.kernel.org/tip/89133786f9408d53361874a8c784fff150fc7f7c Author: Oleg Nesterov <[email protected]> AuthorDate: Sun, 29 Jul 2012 20:22:38 +0200 Committer: Ingo Molnar <[email protected]> CommitDate: Mon, 30 Jul 2012 11:27:22 +0200
uprobes: Remove insert_vm_struct()->uprobe_mmap() Remove insert_vm_struct()->uprobe_mmap(). It is not needed, nobody except arch/ia64/kernel/perfmon.c uses insert_vm_struct(vma) with vma->vm_file != NULL. And it is wrong. Again, get_user_pages() can not succeed before vma_link(vma) makes is visible to find_vma(). And even if this worked, we must not insert the new bp before this mapping is visible to vma_prio_tree_foreach() for uprobe_unregister(). Signed-off-by: Oleg Nesterov <[email protected]> Acked-by: Srikar Dronamraju <srikar.vnet.ibm.com> Cc: Anton Arapov <[email protected]> Cc: Srikar Dronamraju <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- mm/mmap.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index e5a4614..4fe2697 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2345,9 +2345,6 @@ int insert_vm_struct(struct mm_struct * mm, struct vm_area_struct * vma) security_vm_enough_memory_mm(mm, vma_pages(vma))) return -ENOMEM; - if (vma->vm_file && uprobe_mmap(vma)) - return -EINVAL; - vma_link(mm, vma, prev, rb_link, rb_parent); return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
