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| author | Russell Currey <ruscur@russell.cc> | 2023-02-22 13:17:08 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-02-22 17:01:46 +1100 |
| commit | f82cdc37c4bd4ba905bf99ade9782a639b5c12e9 (patch) | |
| tree | 413f7146eb2ed8ca6f6d6f19da05ad1099bd31e9 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | powerpc: dts: turris1x.dts: Set lower priority for CPLD syscon-reboot (diff) | |
| download | linux-f82cdc37c4bd4ba905bf99ade9782a639b5c12e9.tar.gz linux-f82cdc37c4bd4ba905bf99ade9782a639b5c12e9.zip | |
powerpc/pseries: Avoid hcall in plpks_is_available() on non-pseries
plpks_is_available() can be called on any platform via kexec but calls
_plpks_get_config() which makes a hcall, which will only work on pseries.
Fix this by returning early in plpks_is_available() if hcalls aren't
possible.
Fixes: 119da30d037d ("powerpc/pseries: Expose PLPKS config values, support additional fields")
Reported-by: Murphy Zhou <jencce.kernel@gmail.com>
Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20230222021708.146257-1-ruscur@russell.cc
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