Re: [PATCH] powerpc/pseries: Avoid hcall in plpks_is_available() on non-pseries

2023-02-23 Thread Michael Ellerman
On Wed, 22 Feb 2023 13:17:08 +1100, Russell Currey wrote: > 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. > >

[PATCH] powerpc/pseries: Avoid hcall in plpks_is_available() on non-pseries

2023-02-21 Thread Russell Currey
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,