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SubjectRe: [PATCH v11 00/11] Add support for SBI v0.2 and CPU hotplug
Hi Atish,

On Wed, 18 Mar 2020 at 02:12, Atish Patra <> wrote:
> The Supervisor Binary Interface(SBI) specification[1] now defines a
> base extension that provides extendability to add future extensions
> while maintaining backward compatibility with previous versions.
> The new version is defined as 0.2 and older version is marked as 0.1.
> This series adds following features to RISC-V Linux.
> 1. Adds support for SBI v0.2
> 2. A Unified calling convention implementation between 0.1 and 0.2.
> 3. SBI Hart state management extension (HSM)
> 4. Ordered booting of harts
> 4. CPU hotplug

If it's any help I tried this series with both OpenSBI v0.6 and master
and in both cases Linux found all four cpus. I can test the hotplug
stuff too if you send
me instructions. In any case you can add my

Tested-by: Emil Renner Berthing <>


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