diff options
| author | Benjamin Herrenschmidt <[email protected]> | 2017-06-25 15:08:46 -0500 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2017-06-27 14:15:54 +1000 |
| commit | 74e27c6af56fe6898c3c8c451595746a992f0f0f (patch) | |
| tree | 592d78385cd5419678bf934c281032b20fb88172 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 8e3f1b1d8255105f31556aacf8aeb6071b00d469 (diff) | |
powerpc: Only do ERAT invalidate on radix context switch on P9 DD1
From: Michael Neuling <[email protected]>
On P9 (Nimbus) DD2 and later, in radix mode, the move to the PID
register will implicitly invalidate the user space ERAT entries
and leave the kernel ones alone. Thus the only thing needed is
an isync() to synchronize this with subsequent uaccess's
Signed-off-by: Michael Neuling <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions