Re: [PATCH 0/3][RESEND] add support for never printing hashed addresses

Steven Rostedt
2021-02-10T16:48:26Z

On Thu, 11 Feb 2021 01:39:41 +0900
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> wrote:

> On 2021/02/11 1:18, Steven Rostedt wrote:
> > The point of this exercise is to be able to debug the *same* kernel that
> > someone is having issues with. And this is to facilitate that debugging.
>
> That's too difficult to use. If a problem is not reproducible, we will have
> no choice but always specify "never hash pointers" command line option. If a
> problem is reproducible, we can rebuild that kernel with "never hash pointers"
> config option turned on.

Now the question is, why do you need the unhashed pointer?

Currently, the instruction pointer is what is fine right? You get the
a function and its offset. If there's something that is needed, perhaps we
should look at how to fix that, instead of just unhashing all pointers by
default.

-- Steve