An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | - | 5.2 |
| redhat / enterprise_linux | 7.0 | 7.0.x |
| opensuse / leap | 15.1 | 15.1.x |