Messages in this thread | | | Subject | Re: [PATCH 2/6] uprobes: introduce is_swbp_at_addr_fast() | From | Peter Zijlstra <> | Date | Tue, 17 Apr 2012 21:53:38 +0200 |
| |
On Tue, 2012-04-17 at 19:09 +0200, Oleg Nesterov wrote: > > This reminds me. Why read_opcode() does lock_page? I was going > to send the cleanup which removes it, but I need to recheck. > > Perhaps you can explain the reason?
I can't seem to recall, I suspect its to serialize against __replace_page(). I can't say if that's strictly needed though.
| |