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How many core/processor does optee_os could occupy? #1194

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SimonWan opened this Issue Nov 22, 2016 · 2 comments

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@SimonWan

SimonWan commented Nov 22, 2016

Hi experts,

I'm wondering every time when the normal world switch to the optee_os, how many cores can the OS use? Is there any preference about which core would be occupied by the trusted OS?

Also I want to know under what directory I can find the code about these problems, thank you and hope you have a great thanksgiving!

Shengye

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jenswi-linaro Nov 23, 2016

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Any core can be used by OP-TEE. The number of cores that can be used concurrently is limited by the value of CFG_NUM_THREADS. You'll find code related to this in core/arch/arm/kernel/thread*.

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jenswi-linaro commented Nov 23, 2016

Any core can be used by OP-TEE. The number of cores that can be used concurrently is limited by the value of CFG_NUM_THREADS. You'll find code related to this in core/arch/arm/kernel/thread*.

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SimonWan commented Nov 23, 2016

@jenswi-linaro thank you.

@SimonWan SimonWan closed this Nov 23, 2016

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