Re: [PATCH AUTOSEL 5.17 21/21] Revert "parisc: Fix patch code locking and flushing"

[John David Anglin]

On 2022-05-14 12:24 p.m., Sasha Levin wrote:
> On Tue, May 10, 2022 at 05:49:31PM +0200, Helge Deller wrote:
> > Hello Sascha,
> >
> > please drop this patch from all your stable-series queues....
> > It shouldn't be backported.
>
> I've dropped it, but... why?
It exposed a problem in the kernel flush code for PA 1.x machines. The patch works okay on
all PA 2.0 machines.  It also works on PA 1.x machines when flush_cache_all is used to flush
changes to memory.

Helge is investigating PA 1.x problem.

--
John David Anglin  dave.anglin@xxxxxxxx