Re: [PATCH v7] printk: hash addresses printed with %p

From: Tobin C. Harding
Date: Tue Oct 24 2017 - 16:46:04 EST


On Tue, Oct 24, 2017 at 01:25:52PM +0200, Jason A. Donenfeld wrote:
> On Tue, Oct 24, 2017 at 2:31 AM, Tobin C. Harding <me@xxxxxxxx> wrote:
> > On Tue, Oct 24, 2017 at 01:00:03AM +0200, Jason A. Donenfeld wrote:
> >> Provided you've tested this and the static_key guard stuff actually
> >> works as intended,
> >
> > I tested by inserting a simple module that calls printf() with a bunch of
> > different specifiers. So it's tested but not stress tested. Some stress testing
> > might be nice, no ideas how to go about that though.
>
> By the way, it occurred to me one thing you might want to verify
> closely is whether or not that callback block executes from process
> context and whether or not the static_key stuff sleeps. If both,
> there's a problem.

Ok, will do.

thanks,
Tobin.