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SubjectRe: [PATCH v3 0/8] ARM: sun9i: SMP and CPU hotplug support
On Tue, Jan 16, 2018 at 5:00 AM, Nicolas Pitre <> wrote:
> On Mon, 15 Jan 2018, Chen-Yu Tsai wrote:
>> Changes since v2:
>> - Do away with the MCPM framework, directly implement smp_ops
>> - Some debug messages were clarified
>> - New ARCH_SUNXI_MCPM Kconfig symbol for this feature
> You should use ARCH_SUNXI_SMP instead to avoid confusion with the actual
> MCPM code. Ditto for function names as Dave mentioned.

All switched to "MC_SMP". There is existing, albeit deprecated, SMP code
for single cluster SoCs, so "multi cluster" is desired to differentiate
from the old stuff.

> For the ARM to Thumb switch you could add something like this at the
> beginning of your entry code:
> .arm
> mov ip, #1
> bx ip
> .thumb
> #endif
> [your code follows here]
> And make sure that code is word aligned.

Thanks for the tip. As I mentioned in my reply to Dave,
this wasn't really needed.

Thanks again!

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