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CONFIG_POWER4_ONLY: Optimize for POWER4

General informations

The Linux kernel configuration item CONFIG_POWER4_ONLY has multiple definitions:

Optimize for POWER4 found in arch/powerpc/Kconfig

The configuration item CONFIG_POWER4_ONLY:

Help text

Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. The resulting binary will not work on POWER3 or RS64 processors when compiled with binutils 2.15 or later.

Optimize for POWER4 found in arch/powerpc/platforms/Kconfig.cputype

The configuration item CONFIG_POWER4_ONLY:

Help text

Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. The resulting binary will not work on POWER3 or RS64 processors when compiled with binutils 2.15 or later.

Optimize for POWER4 found in arch/ppc64/Kconfig

The configuration item CONFIG_POWER4_ONLY:

Help text

Cause the compiler to optimize for POWER4 processors. The resulting binary will not work on POWER3 or RS64 processors when compiled with binutils 2.15 or later.

Hardware

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