diff options
| author | Cyril Bur <[email protected]> | 2017-11-02 14:09:06 +1100 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2017-11-06 20:39:34 +1100 |
| commit | 6f700d38a8c9dc4d786ac4a831073194f17c5076 (patch) | |
| tree | f0190f89668664fc9f30c0e07e7a70a7eb3132c8 /tools/perf/scripts/python/syscall-counts.py | |
| parent | eb5c3f1c86470fc1a57ab28cce15c12e4d6cdf8b (diff) | |
powerpc: Remove facility loadups on transactional {fp, vec, vsx} unavailable
After handling a transactional FP, Altivec or VSX unavailable exception.
The return to userspace code will detect that the TIF_RESTORE_TM bit is
set and call restore_tm_state(). restore_tm_state() will call
restore_math() to ensure that the correct facilities are loaded.
This means that all the loadup code in {fp,altivec,vsx}_unavailable_tm()
is doing pointless work and can simply be removed.
Signed-off-by: Cyril Bur <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions