Re: [PATCH 2/3] arm: introduce IRQ stacks

From: Arnd Bergmann
Date: Wed Oct 21 2020 - 08:55:49 EST


On Wed, Oct 21, 2020 at 2:45 PM Russell King - ARM Linux admin
<linux@xxxxxxxxxxxxxxx> wrote:
> On Wed, Oct 21, 2020 at 02:42:48PM +0200, Arnd Bergmann wrote:
> > >
> > > - define 'current' as 'this_cpu_read_stable(current_task);'
> > > - convert to CONFIG_THREAD_INFO_IN_TASK
>
> That means we need to also code that up in assembly - remember, we
> need to access thread_info from assembly code.

Are there any obvious places that need patching aside from
.macro get_thread_info? I did expect the above conversion to
be somewhat more complicated than Maninder's original patch,
but that part seems easy enough.

Arnd