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| author | Vyacheslav Cherkashin <v.cherkashin@samsung.com> | 2014-04-14 18:53:21 +0400 |
|---|---|---|
| committer | Vasiliy Ulyanov <v.ulyanov@samsung.com> | 2014-04-21 06:09:00 -0700 |
| commit | 3729ea9622af80dec7f2dc616e0991be6f7709ba (patch) | |
| tree | e7a84408a49e618d0aae4c85a636e96d5f9811e1 /writer | |
| parent | c4598a886ca8c6c208e3c35b647b56de2371616b (diff) | |
| download | swap-modules-3729ea9622af80dec7f2dc616e0991be6f7709ba.tar.gz swap-modules-3729ea9622af80dec7f2dc616e0991be6f7709ba.tar.bz2 swap-modules-3729ea9622af80dec7f2dc616e0991be6f7709ba.zip | |
[IMPROVE] ARM: move uprobes installation out of exception
Change-Id: I8e200847a84d2016fb81e007befcdd01952c4797
Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>
Diffstat (limited to 'writer')
| -rw-r--r-- | writer/swap_writer_module.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/writer/swap_writer_module.c b/writer/swap_writer_module.c index fc66c257..7bd1c0b1 100644 --- a/writer/swap_writer_module.c +++ b/writer/swap_writer_module.c @@ -260,7 +260,6 @@ static struct vm_area_struct *find_vma_exe_by_dentry(struct mm_struct *mm, struc { struct vm_area_struct *vma; - down_read(&mm->mmap_sem); for (vma = mm->mmap; vma; vma = vma->vm_next) { if (vma->vm_file && (vma->vm_flags & VM_EXEC) && (vma->vm_file->f_dentry == dentry)) @@ -269,7 +268,6 @@ static struct vm_area_struct *find_vma_exe_by_dentry(struct mm_struct *mm, struc vma = NULL; out: - up_read(&mm->mmap_sem); return vma; } @@ -301,14 +299,12 @@ static char *pack_libs(char *lib_obj, struct mm_struct *mm, u32 *lib_cnt_p) { struct vm_area_struct *vma; - down_read(&mm->mmap_sem); for (vma = mm->mmap; vma; vma = vma->vm_next) { if (check_vma(vma)) { lib_obj = pack_lib_obj(lib_obj, vma); ++(*lib_cnt_p); } } - up_read(&mm->mmap_sem); return lib_obj; } @@ -359,6 +355,7 @@ static char *pack_proc_info(char *payload, struct task_struct *task, return pack_proc_info_part(end_path, task->mm); } +/* called with down\up\_read(&task->mm->mmap_sem) */ int proc_info_msg(struct task_struct *task, struct dentry *dentry) { char *buf, *payload, *buf_end; |