CONFIG_PPC_RADIX_BROADCAST_TLBIE:

General informations

The Linux kernel configuration item CONFIG_PPC_RADIX_BROADCAST_TLBIE:

• prompt:
• type: bool
• depends on: CONFIG_PPC_RADIX_MMU
• defined in arch/powerpc/platforms/Kconfig.cputype
• found in Linux kernels: 6.15-rc+HEAD

Help text

Power ISA v3.0 and later implementations in the Linux Compliancy Subset and lower are not required to implement broadcast TLBIE instructions. Platforms with CPUs that do implement TLBIE broadcast, that is, where a TLB invalidation instruction performed on one CPU operates on the TLBs of all CPUs in the system, should select this option. If this option is selected, the disable_tlbie kernel command line option can be used to cause global TLB invalidations to be done via IPIs; without it, IPIs will be used unconditionally.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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