diff options
| author | Benjamin Herrenschmidt <[email protected]> | 2017-06-24 12:29:01 -0500 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2017-06-27 14:18:30 +1000 |
| commit | ba6d334ac230065243a92bb7cb3fd6a5f6a7f8ac (patch) | |
| tree | 6ceb186cbb0b29e634db2c117e9894f160a5925b /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 74e27c6af56fe6898c3c8c451595746a992f0f0f (diff) | |
powerpc/64s: Invalidate ERAT on powersave wakeup for POWER9
On POWER9 the ERAT may be incorrect on wakeup from some stop states
that lose state. This causes random segvs and illegal instructions
when these stop states are enabled.
This patch invalidates the ERAT on wakeup on POWER9 to prevent this
from causing a problem.
Signed-off-by: Michael Neuling <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Reviewed-by: Nicholas Piggin <[email protected]>
[mpe: Merge comment change with upstream changes]
Signed-off-by: Michael Ellerman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions