CONFIG_MARCH_Z990 is not available for thedefaultarchitecture x86.
Result is shown for architecture s390
default or selected kernelversion does not have config value CONFIG_MARCH_Z990.
Result is shown for kernelversion 6.9.9
IBM zSeries model z890 and z990
configname: CONFIG_MARCH_Z990
Processor type
└─>IBM zSeries model z890 and z990
In linux kernel since version 2.6.12
Select this to enable optimizations for model z890/z990 (2084 and
2086 series). The kernel will be slightly faster but will not work
on older machines.
2086 series). The kernel will be slightly faster but will not work
on older machines.