Re: [PATCH v2] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

From: Andrew Lunn
Date: Thu Oct 25 2018 - 15:26:48 EST


On Thu, Oct 25, 2018 at 12:01:08PM -0700, Florian Fainelli wrote:
> Some software such as perf makes unconditional use of the special
> [vectors] page which is only provided when CONFIG_KUSER_HELPERS is
> enabled in the kernel.
>
> Facilitate the debugging of such situations by printing a debug message
> to the kernel log showing the task name and the faulting address.

Hi Florian

Nice. I wish we had this a couple of months ago.

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Thanks
Andrew