On 12-04-17, 22:07, Thomas Gleixner wrote:
> The access to the HBIRD_ESTAR_MODE register in the cpu frequency control
> functions must happen on the target CPU. This is achieved by temporarily
> setting the affinity of the calling user space thread to the requested CPU
> and reset it to the origina
The access to the HBIRD_ESTAR_MODE register in the cpu frequency control
functions must happen on the target CPU. This is achieved by temporarily
setting the affinity of the calling user space thread to the requested CPU
and reset it to the original affinity afterwards.
That's racy vs. CPU hotplug
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