[PATCH 3/7] powerpc/64s: flush L1D after user accesses

[Qian Cai]

On Thu, 2020-12-03 at 12:17 -0500, Qian Cai wrote:
> A simple "echo t > /proc/sysrq-trigger" will trigger this warning almost
> endlessly on Power8 NV.

Correction -- POWER9 NV.