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CONFIG_MIPS_MT_SMP: Use 1 TC on each available VPE for SMP

General informations

The Linux kernel configuration item CONFIG_MIPS_MT_SMP has multiple definitions:

MIPS MT SMP support (1 TC on each available VPE) found in arch/mips/Kconfig

The configuration item CONFIG_MIPS_MT_SMP:

Help text

This is a kernel model which is known as SMVP. This is supported on cores with the MT ASE and uses the available VPEs to implement virtual processors which supports SMP. This is equivalent to the Intel Hyperthreading feature. For further information go to http://www.imgtec.com/mips/mips-multithreading.asp.

Use 1 TC on each available VPE for SMP found in arch/mips/Kconfig

The configuration item CONFIG_MIPS_MT_SMP:

Help text

This is a kernel model which is known a VSMP but lately has been marketesed into SMVP. Virtual SMP uses the processor's VPEs to implement virtual processors. In currently available configuration of the 34K processor this allows for a dual processor. Both processors will share the same primary caches; each will obtain the half of the TLB for it's own exclusive use. For a layman this model can be described as similar to what Intel calls Hyperthreading.

For further information see http://www.linux-mips.org/wiki/34K#VSMP

Hardware

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