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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-01-30 23:08:34 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-02-09 00:02:11 +1100 |
| commit | c538938fa2cfdc806c6304888e3876729e6939e0 (patch) | |
| tree | a4589b5c7cad558051d4bdc7550e6cc3446d2149 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | powerpc: introduce die_mce (diff) | |
| download | linux-c538938fa2cfdc806c6304888e3876729e6939e0.tar.gz linux-c538938fa2cfdc806c6304888e3876729e6939e0.zip | |
powerpc/mce: ensure machine check handler always tests RI
A machine check that is handled must still check MSR[RI] for
recoverability of the interrupted context. Without this patch
it's possible for a handled machine check to return to a
context where it has clobbered live registers.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-25-npiggin@gmail.com
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions