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From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Daniel Henrique Barboza <danielhb413@gmail.com>,
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Subject: Re: [PATCH 0/2] pseries: UNISOLATE DRCs to signal device removal error
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On Fri, 16 Apr 2021 18:02:14 -0300, Daniel Henrique Barboza wrote:
> At this moment, PAPR [1] does not have a way to report errors during a device
> removal operation. This puts a strain in the hypervisor, which needs extra
> mechanisms to try to fallback and recover from an error that might have
> happened during the removal. The QEMU community has dealt with it during these
> years by either trying to preempt the error before sending the HP event or, in
> case of a guest side failure, reboot the guest to complete the removal process.
> 
> [...]

Applied to powerpc/next.

[1/2] dlpar.c: introduce dlpar_unisolate_drc()
      https://git.kernel.org/powerpc/c/0e3b3ff83ce24a7a01e467ca42e3e33e87195c0d
[2/2] hotplug-cpu.c: set UNISOLATE on dlpar_cpu_remove() failure
      https://git.kernel.org/powerpc/c/29c9a2699e71a7866a98ebdf6ea38135d31b4e1f

cheers