Re: [PATCH v2] ARM: enable interrupts when unhandled user faults are triggered

[Sebastian Andrzej Siewior]

On 2026-06-29 20:48:16 [+0800], Xie Yuanbin wrote:
> On Mon, 29 Jun 2026 11:40:22 +0200, Sebastian Andrzej Siewior wrote:
> > If this is moved to the callers of arm_notify_die() then I don't know
> > what to do about baddataabort(). It looks like it gets invoked with
> > disabled interrupts, too but I'm not sure. This looks like pre ARM v7.
> > Is it reasonable to add such a check there?
> 
> Oh, I'm not sure about this place either. Would interrupts here be
> disabled? I'm not familiar with the entry assembly code of v4t, so
> I don't know how to construct a user-space program that can run to
> baddataabort(), and I also don't have a v4t device to test it.

I don't have anything myself but it follows the same pattern.
Sashiko just reported that it is a pre-existing issue :)

Sebastian