On 07/01, Andrii Nakryiko wrote: > > --- a/kernel/events/uprobes.c > +++ b/kernel/events/uprobes.c > @@ -453,7 +453,7 @@ static int update_ref_ctr(struct uprobe *uprobe, struct mm_struct *mm, > * @vaddr: the virtual address to store the opcode. > * @opcode: opcode to be written at @vaddr. > * > - * Called with mm->mmap_lock held for write. > + * Called with mm->mmap_lock held for read or write. > * Return 0 (success) or a negative errno. Thanks, Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx> I'll try to send the patch which explains the reasons for mmap_write_lock() in register_for_each_vma() later. Oleg.
