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Groups > linux.kernel > #1490002 > unrolled thread
| Started by | Mark Rutland <mark.rutland@arm.com> |
|---|---|
| First post | 2016-09-23 14:30 +0200 |
| Last post | 2016-09-23 14:30 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH 2/2] armv8: aarch32: Add SMP support for 32-bit Linux kernel Mark Rutland <mark.rutland@arm.com> - 2016-09-23 14:30 +0200
| From | Mark Rutland <mark.rutland@arm.com> |
|---|---|
| Date | 2016-09-23 14:30 +0200 |
| Subject | Re: [PATCH 2/2] armv8: aarch32: Add SMP support for 32-bit Linux kernel |
| Message-ID | <skxM6-3BX-17@gated-at.bofh.it> |
On Fri, Sep 23, 2016 at 10:19:06AM +0800, Alison Wang wrote: > The patch adds SMP support for running 32-bit Linux kernel for > Layerscape platforms. Spin-table method is used for SMP support. So far, spin-table has not been defined for 32-bit, and the code below, while mostly a copy of the 64-bit code, is somewhat different. If you want a common enable method, I would strongly advise that you use PSCI, which is well-defined for both 32-bit and 64-bit. There are a number of problems with spin-table, and I would not recommend extending it to 32-bit ARM. Thanks, Mark.
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