[PATCH] Revert "powerpc/rtas: Implement reentrant rtas call"

[Nathan Lynch]

"Nicholas Piggin" <npiggin at gmail.com> writes:

> On Mon Sep 19, 2022 at 11:51 PM AEST, Nathan Lynch wrote:
>> > I wonder - would it be worth making the panic path use a separate
>> > "emergency" rtas_args buffer as well? If a CPU is actually "stuck" in
>> > RTAS at panic time, then leaving rtas.args untouched might make the
>> > ibm,int-off, ibm,set-xive, ibm,os-term, and any other RTAS calls we
>> > incur on the panic path more likely to succeed.
>
> Yeah I think that's probably not a bad idea. Not sure if you've got the
> bandwidth to take on doing the patch but be my guest if you do :)
> Otherwise we can file it in github issues.

Not sure I'll be able to work it soon. I filed
https://github.com/linuxppc/issues/issues/435