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| author | Nicholas Piggin <npiggin@gmail.com> | 2017-05-01 22:01:09 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-05-30 14:59:51 +1000 |
| commit | f1fe5252018075e18d7f0c0e23ee173546420361 (patch) | |
| tree | 7a255b9ea0493470adfd97e4938f28be8a9738f5 /tools/perf/scripts/python | |
| parent | Linux 4.12-rc3 (diff) | |
| download | linux-f1fe5252018075e18d7f0c0e23ee173546420361.tar.gz linux-f1fe5252018075e18d7f0c0e23ee173546420361.zip | |
powerpc/64s: Fix FIXUP_ENDIAN non-maskable interrupt reentrancy
FIXUP_ENDIAN uses SRR[01] with MSR_RI=1, which gets corrupted if there
is an interleaving system reset or machine check interrupt.
Set MSR_RI=0 before setting SRRs. The rfid will restore MSR.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions