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authorRussell Currey <[email protected]>2023-02-22 13:17:08 +1100
committerMichael Ellerman <[email protected]>2023-02-22 17:01:46 +1100
commitf82cdc37c4bd4ba905bf99ade9782a639b5c12e9 (patch)
tree413f7146eb2ed8ca6f6d6f19da05ad1099bd31e9 /tools/perf/scripts/python/mem-phys-addr.py
parentbec46462567032afb05017cb10c545aab0810a73 (diff)
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 <[email protected]> Signed-off-by: Russell Currey <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected]
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