diff options
| author | Michael Ellerman <mpe@ellerman.id.au> | 2014-03-14 16:00:29 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-03-24 09:48:25 +1100 |
| commit | c2e37a2626a7471875f3a6452b99dfd3809972b9 (patch) | |
| tree | 60c994235d65095308288c8ee3543b1e027d2c92 /arch/powerpc/crypto | |
| parent | 68f2f0d431d9ea4fbd373cd31e828b0ceaefea30 (diff) | |
powerpc/perf: Add lost exception workaround
Some power8 revisions have a hardware bug where we can lose a PMU
exception, this commit adds a workaround to detect the bad condition and
rectify the situation.
See the comment in the commit for a full description.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/crypto')
0 files changed, 0 insertions, 0 deletions