powerpc/powernv: copy/paste - Mask SO bit in CR

Wed Jun 6 01:19:33 AEST 2018

On Mon, 2018-06-04 at 08:33:38 UTC, Michael Ellerman wrote:
> NX can set the 3rd bit in CR register for XER[SO] (Summary overflow)
> which is not related to paste request. The current paste function
> returns failure for a successful request when this bit is set. So mask
> this bit and check the proper return status.
> 
> Fixes: 2392c8c8c045 ("powerpc/powernv/vas: Define copy/paste interfaces")
> Cc: stable at vger.kernel.org # v4.14+
> Signed-off-by: Haren Myneni <haren at us.ibm.com>
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Applied to powerpc next.

https://git.kernel.org/powerpc/c/75743649064ec0cf5ddd69f240ef23

cheers