[PATCH] powerpc/module_64: Fix livepatching for RO modules

[Russell Currey]

On Tue, 2021-12-07 at 09:44 -0500, Joe Lawrence wrote:
> On 11/23/21 3:15 AM, Russell Currey wrote:
> 
> [[ cc += livepatching list ]]
> 
> Hi Russell,
> 
> Thanks for writing a minimal fix for stable / backporting.  As I
> mentioned on the github issue [1], this avoided the crashes I
> reported
> here and over on kpatch github [2].  I wasn't sure if this is the
> final
> version for stable, but feel free to add my:
> 
> Tested-by: Joe Lawrence <joe.lawrence at redhat.com>

Thanks Joe, as per the discussions on GitHub I think we're fine to use
this patch for a fix for stable (unless there's new issues found or
additional community feedback etc).

> 
> [1] https://github.com/linuxppc/issues/issues/375
> [2] https://github.com/dynup/kpatch/issues/1228
>