um: uml_dup_mmap() relies on ->mmap_sem being held, but activate_mm() doesn't hold it

... while calling uml_dup_mmap() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-02-23 01:37:19 -05:00
parent ea6fb41752
commit ac2aca2817
2 changed files with 10 additions and 3 deletions
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@ -101,7 +101,7 @@ int init_new_context(struct task_struct *task, struct mm_struct *mm)
 	return ret;
 }

-void arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm)
+void uml_setup_stubs(struct mm_struct *mm)
 {
 	struct page **pages;
 	int err, ret;